Re: [CentOS] Unable to grep 5 mins logs

[ankush grover]

>>
>> It is really slow when 2-3 greps are combined.
>>
>
> But it will do the job until you solve this with more elegance.
>
> What you can try is to compile search pattern from 2-3 date outputs so
> it will match the text in the log.
>
>
> dayname="$(date "+%a")"; month="$(date "+%b")"; time="$(date "+%d")";
> year="$(date "+%Y")";
> search1="$dayname  $month $time $year" # add spaces where needed and
> order parts properly to match log
> for (( i = 5; i>=0; i-- )) ; do grep $(date "+%R" -d "-$i
> min") /var/ossec/logs/active-responses.log | grep $search1 >>
> /tmp/newlog.log;done
>
> Also consider dropping parts like day as a name when you have day as a
> number to speed up.
>
> Ljubomir

Thanks a lot Ljubomir :)

The script is below

month="$(date "+%b")"; time="$(date "+%d")";year="$(date "+%Y")";
search1="$month  $time"
echo "$search1"
for (( i = 5; i>=0; i-- )) ; do grep $(date "+%R" -d "-$i min")
/var/ossec/logs/active-responses.log | grep "$search1" | grep "$year"
>> /tmp/ossecactive.log;done
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Re: [CentOS] CentOS-6 Status updates

[Nicolas Thierry-Mieg]

Mark Bradbury wrote:
> On 13 June 2011 23:53, James B. Byrne  > wrote:
>
>
> I just want to say that I really, really, appreciate the information
> given on this site:
>
> http://qaweb.dev.centos.org/qa/calendar
>
>
>
> It seems every time I look at that site the dates have changed, last
> time I looked the external mirrors where to start syncing yesterday. the
> 13th

yes cool isn't it, that webpage is updated! actually that's what makes 
it useful.
besides, read the title text on that page again:
"QA dates are tentative dates for internal planning only. These are not 
official release dates, but only a guide for the QA team. All target 
dates are subject to change."
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Re: [CentOS] CentOS-6 Status updates

[Kanwar Ranbir Sandhu]

On Mon, 2011-06-13 at 09:22 -0700, Craig White wrote:
> easier just to give up - I moved my new servers to ubuntu - no more new 
> CentOS installs any more. I'm just going to maintain the CentOS 5 installs at 
> this point.

Holy shit, man!  I'd never, by choice, put in an Ubuntu server. Debian,
sure (though I'm a Red Hat and Red Hat based guy), but Ubuntu? Forget
it!

I hope you find it as stable and reliable as CentOS.

Regards,

Ranbir

-- 
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Linux 2.6.32.26-175.fc12.x86_64 x86_64 GNU/Linux 
06:47:45 up 23:59, 1 user, load average: 0.04, 0.35, 0.26 


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[CentOS] Dell openmanage srvadmin on 5.6

[Kevin Thorpe]

Hi all,
   I'm just trying to get Dell openmanage to run on my Centos 5.6
box. The monitoring
stuff appears to have installed but the web server stuff is
complaining it needs openwsman
2.2.3 or later and I can only find that for RHEL/Centos 6, not 5.

Can anyone point me at a suitable rpm, or do I have to resort to
compiling it? Surely I'm not
the only one trying to do this.

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Re: [CentOS] Dell openmanage srvadmin on 5.6

[Eero Volotinen]

2011/6/14 Kevin Thorpe :
> Hi all,
>       I'm just trying to get Dell openmanage to run on my Centos 5.6
> box. The monitoring
> stuff appears to have installed but the web server stuff is
> complaining it needs openwsman
> 2.2.3 or later and I can only find that for RHEL/Centos 6, not 5.
>
> Can anyone point me at a suitable rpm, or do I have to resort to
> compiling it? Surely I'm not
> the only one trying to do this.


just follow instructions at
http://linux.dell.com/repo/hardware/OMSA_6.5/ and install srvadmin-all

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Re: [CentOS] Dell openmanage srvadmin on 5.6

[Kevin Thorpe]

On Tue, Jun 14, 2011 at 1:13 PM, Eero Volotinen  wrote:
> 2011/6/14 Kevin Thorpe :
>> Hi all,
>>       I'm just trying to get Dell openmanage to run on my Centos 5.6
>> box. The monitoring
>> stuff appears to have installed but the web server stuff is
>> complaining it needs openwsman
>> 2.2.3 or later and I can only find that for RHEL/Centos 6, not 5.
>>
>> Can anyone point me at a suitable rpm, or do I have to resort to
>> compiling it? Surely I'm not
>> the only one trying to do this.
>
>
> just follow instructions at
> http://linux.dell.com/repo/hardware/OMSA_6.5/ and install srvadmin-all

That's exactly what I was trying to do.
Error: Missing Dependency: openwsman-server >= 2.2.3 is needed by
package srvadmin-itunnelprovider-6.5.0-1.151.1.el5.x86_64
(dell-omsa-specific)

and this is from base, updates, epel, extras, rpmforge
[root@510-top ~]# rpm -qa|grep openwsman
openwsman-client-2.2.0-5.el5
openwsman-server-2.2.0-5.el5
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Re: [CentOS] CentOS-6 Status updates

[Craig White]

On Tue, 2011-06-14 at 06:49 -0400, Kanwar Ranbir Sandhu wrote:
> On Mon, 2011-06-13 at 09:22 -0700, Craig White wrote:
> > easier just to give up - I moved my new servers to ubuntu - no more new 
> > CentOS installs any more. I'm just going to maintain the CentOS 5 installs 
> > at this point.
> 
> Holy shit, man!  I'd never, by choice, put in an Ubuntu server. Debian,
> sure (though I'm a Red Hat and Red Hat based guy), but Ubuntu? Forget
> it!
> 
> I hope you find it as stable and reliable as CentOS.

heck it's still Linux and pretty much the same.

Red Hat went far too long between releases and it is clear to me that I
can't possibly rely on CentOS for timeliness.

Craig


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Re: [CentOS] Dell openmanage srvadmin on 5.6

[Phil Schaffner]

Kevin Thorpe wrote on 06/14/2011 08:20 AM:
...
> That's exactly what I was trying to do.
> Error: Missing Dependency: openwsman-server>= 2.2.3 is needed by
> package srvadmin-itunnelprovider-6.5.0-1.151.1.el5.x86_64
> (dell-omsa-specific)

It seems to be in the Dell repo:

http://linux.dell.com/repo/hardware/2011_Q1/platform_independent/rh50/repoview/openwsman-server.html

Phil
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Re: [CentOS] CentOS-6 Status updates

[m . roth]

Craig White wrote:
> On Tue, 2011-06-14 at 06:49 -0400, Kanwar Ranbir Sandhu wrote:
>> On Mon, 2011-06-13 at 09:22 -0700, Craig White wrote:
>> > easier just to give up - I moved my new servers to ubuntu - no more
>> new CentOS installs any more. I'm just going to maintain the CentOS 5
>> installs at this point.
>>
>> Holy shit, man!  I'd never, by choice, put in an Ubuntu server. Debian,
>> sure (though I'm a Red Hat and Red Hat based guy), but Ubuntu? Forget
>> it!
>>
>> I hope you find it as stable and reliable as CentOS.
> 
> heck it's still Linux and pretty much the same.
>
> Red Hat went far too long between releases and it is clear to me that I
> can't possibly rely on CentOS for timeliness.

Timeliness, dunno. Ubuntu (or fedora) for production? NOT IF I HAVE ANY
CONTROL!!! Given how many developers write incredibly fragile code, that
is utterly dependent upon a very, very special environment, I guarantee
that the almost daily updates will break it, or the New Features! will
have changed interfaces

 mark

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Re: [CentOS] Dell openmanage srvadmin on 5.6

[Kevin Thorpe]

Hmmm... I don't know how to do this but I know a man who can
so it'll wait.

On Tue, Jun 14, 2011 at 1:52 PM, Phil Schaffner
 wrote:
> Kevin Thorpe wrote on 06/14/2011 08:20 AM:
> ...
>> That's exactly what I was trying to do.
>> Error: Missing Dependency: openwsman-server>= 2.2.3 is needed by
>> package srvadmin-itunnelprovider-6.5.0-1.151.1.el5.x86_64
>> (dell-omsa-specific)
>
> It seems to be in the Dell repo:
>
> http://linux.dell.com/repo/hardware/2011_Q1/platform_independent/rh50/repoview/openwsman-server.html
>
> Phil
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Head of IT
PI Benchmark
150 Buckingham Palace Road
London SW1W 9TR, UK

T: +44 (0) 845 643 0234
F: +44 (0) 207 730 2635
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Re: [CentOS] Compiling PHP and MySQL

[John Doe]

From: "Dvorkin, Asya" 

> Is there a way to find out what are the usual configure options that are used 
> to 
> compile binaries that are available through yum?

php -i | grep configure
or check from the srpm...

JD
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Re: [CentOS] CentOS-6 Status updates

[Tom H]

On Tue, Jun 14, 2011 at 9:19 AM,   wrote:
> Craig White wrote:
>>
>> heck it's still Linux and pretty much the same.
>>
>> Red Hat went far too long between releases and it is clear to me that I
>> can't possibly rely on CentOS for timeliness.
>
> Timeliness, dunno. Ubuntu (or fedora) for production? NOT IF I HAVE ANY
> CONTROL!!! Given how many developers write incredibly fragile code, that
> is utterly dependent upon a very, very special environment, I guarantee
> that the almost daily updates will break it, or the New Features!

I've been running Ubuntu boxes (in production) at various companies
without a hitch - initially with a lot of skepticism. There's also one
company where I support twenty Fedora boxes (which is a pain because
there isn't an LTS version) but I kicked off that company's use of
Linux with RH (not RHEL) 5 and the IT manager doesn't want to move to
another distribution.
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Re: [CentOS] Recall: EXTERNAL: A bridge problem

[Brunner, Brian T.]

centos-boun...@centos.org wrote:
> on 6/13/2011 12:07 PM Massey, Ricky spake the following:
>> Massey, Ricky would like to recall the message, "EXTERNAL:
> [CentOS] A bridge problem".
> Although recall would be nice, internet mailing lists are forever!
> What is said cannot be unsaid...

ESPECIALLY if it was stupid, or unnecessary.




Put spiffy .sig here:
Life is complex: it has both real and imaginary parts.
Life is not measured by the number of breaths we take, but by the
moments that take our breath away. 


//me
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Re: [CentOS] Bash rotating tab completion with list

[yonatan pingle]

Hello Dotan,

you might want to ask your sysadmin about this, it's a package that
can be compiled from source.
last time a checked ( a long time back ), they use both redhat 7.3 and
solaris as the core system in the univ ( in tel-aviv at least ).

you can check the system version & type with a simple cat /etc/issue
, or cat /etc/*relea*
if it's a centos based system, the admin would have to install the
package manually , or install the epel repo and use yum the proper
way.

most of the end users don't even use the terminal, so this is not a
common question, and i am sure the root admin will be glad to help you
with this.



On Mon, Jun 13, 2011 at 7:28 PM, Dotan Cohen  wrote:
> On Mon, Jun 13, 2011 at 17:24, yonatan pingle  
> wrote:
>> Hi Dotan,
>>
>> have you already installed this:
>>
>> http://download.fedora.redhat.com/pub/epel/5/x86_64/repoview/bash-completion.html
>>
>
> Nice, thanks. I was certain that I'm not the first to want this.
>
> Is there any way to configure this without the bash-completion
> package, for instance for use on the university students' server?
> (which I'm not even sure is RH based, it's something old and probably
> home-grown)
>
> --
> Dotan Cohen
>
> http://gibberish.co.il
> http://what-is-what.com
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Re: [CentOS] Bash rotating tab completion with list

[Dotan Cohen]

On Tue, Jun 14, 2011 at 17:49, yonatan pingle  wrote:
> Hello Dotan,
>
> you might want to ask your sysadmin about this, it's a package that
> can be compiled from source.
> last time a checked ( a long time back ), they use both redhat 7.3 and
> solaris as the core system in the univ ( in tel-aviv at least ).
>

Thanks, this is at the Technion but I can ask.


> you can check the system version & type with a simple cat /etc/issue
> , or cat /etc/*relea*
> if it's a centos based system, the admin would have to install the
> package manually , or install the epel repo and use yum the proper
> way.
>
> most of the end users don't even use the terminal, so this is not a
> common question, and i am sure the root admin will be glad to help you
> with this.
>

I know. Most people have never even heard of Putty today.

Thanks.


-- 
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Re: [CentOS] CentOS-6 Status updates

[Benjamin Franz]

On 06/14/2011 06:19 AM, m.r...@5-cent.us wrote:
>
> Timeliness, dunno. Ubuntu (or fedora) for production? NOT IF I HAVE ANY
> CONTROL!!! Given how many developers write incredibly fragile code, that
> is utterly dependent upon a very, very special environment, I guarantee
> that the almost daily updates will break it, or the New Features! will
> have changed interfaces

The LTS server releases are very good. I use them routinely and they 
have been quite stable. I currently use them for all new 'base metal' 
server installations with my CentOS systems in VMs on top of them. Over 
the next few years I anticipate migrating everything at all levels to 
them as I get more comfortable with it. My only real complaint is having 
to learn the way a Debian derived system hangs together vs how a Redhat 
derived system is put together.

And AppArmor has yet to 'knee-cap' me like SELinux has (repeatedly) by 
breaking previously stable systems. Where I routinely disable SELinux on 
CentOS, I have yet to have AppArmor interfere with normal ops - ever. It 
"just works".

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Re: [CentOS] CentOS-6 Status updates

[m . roth]

Benjamin Franz wrote:
> On 06/14/2011 06:19 AM, m.r...@5-cent.us wrote:
>>
>> Timeliness, dunno. Ubuntu (or fedora) for production? NOT IF I HAVE ANY
>> CONTROL!!! Given how many developers write incredibly fragile code, that
>> is utterly dependent upon a very, very special environment, I guarantee
>> that the almost daily updates will break it, or the New Features! will
>> have changed interfaces

> And AppArmor has yet to 'knee-cap' me like SELinux has (repeatedly) by
> breaking previously stable systems. Where I routinely disable SELinux on
> CentOS, I have yet to have AppArmor interfere with normal ops - ever. It
> "just works".

Ok... do you have in-house developed software? I've got one team that's
using ruby on rails, and the other admin has to compile it from source,
because they, I mean, just *have* to have the latest version, and another
team has a customized version of some software that is either licensed, or
open source, don't remember, that's all in java, and then there's the
parallel processing programs

But the first two, esp the first, are *incredibly* fragile, and I've seen
that in other places I've worked. Then there was the grief I had on a box
that's only used for offline backups on encrytped drives, and going from
10? 11? to 13 was a nightmare, and X wouldn't work until I got rid of
gnome, and put KDE on

I want solid and stable.

  mark, 

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Re: [CentOS] CentOS-6 Status updates

[Les Mikesell]

On 6/14/2011 10:06 AM, m.r...@5-cent.us wrote:
> Benjamin Franz wrote:
>> On 06/14/2011 06:19 AM, m.r...@5-cent.us wrote:
>>>
>>> Timeliness, dunno. Ubuntu (or fedora) for production? NOT IF I HAVE ANY
>>> CONTROL!!! Given how many developers write incredibly fragile code, that
>>> is utterly dependent upon a very, very special environment, I guarantee
>>> that the almost daily updates will break it, or the New Features! will
>>> have changed interfaces
> 
>> And AppArmor has yet to 'knee-cap' me like SELinux has (repeatedly) by
>> breaking previously stable systems. Where I routinely disable SELinux on
>> CentOS, I have yet to have AppArmor interfere with normal ops - ever. It
>> "just works".
>
> Ok... do you have in-house developed software? I've got one team that's
> using ruby on rails, and the other admin has to compile it from source,
> because they, I mean, just *have* to have the latest version, and another
> team has a customized version of some software that is either licensed, or
> open source, don't remember, that's all in java, and then there's the
> parallel processing programs
>
> But the first two, esp the first, are *incredibly* fragile, and I've seen
> that in other places I've worked. Then there was the grief I had on a box
> that's only used for offline backups on encrytped drives, and going from
> 10? 11? to 13 was a nightmare, and X wouldn't work until I got rid of
> gnome, and put KDE on
>
> I want solid and stable.

I don't get the comparisons. Do you have some specific bad experience 
with LTS to make this relevant?  If you are building stuff from source, 
the distribution packages are basically irrelevant - and in java the 
whole OS is mostly irrelevant.  Fedora releases are rather clearly 
alpha/beta versions intending to lead up to RHEL after a lot of 
bugfix/QA work to stabilize it.  But ubuntu isn't like that - they don't 
push stuff out just to get testing for some later money making release, 
it is the best they can do in the first place with an emphasis on ease 
of installation and use.  The LTS versions are even designed to do 
major-rev upgrades over the network - and it has worked on the machines 
where I've tried it.

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Re: [CentOS] CentOS-6 Status updates

[Trutwin, Joshua]

> heck it's still Linux and pretty much the same.

There's a lot more than just a kernel to break a system.
 
> Red Hat went far too long between releases and it is clear to me that I can't
> possibly rely on CentOS for timeliness.

Maybe I'm just in a different kind of environment, but why do you *need* more 
frequent releases?  I still run some servers on EL 4 and will only migrate them 
when they approach End-of-Life status.  They work and are up unless I bring 
them down.  Security patches are still being pushed out for them.  Sounds like 
you're looking for a desktop linux - probably best to use Fedora/Ubuntu?

Josh
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Re: [CentOS] CentOS-6 Status updates

[Christopher Chan]

On Tuesday, June 14, 2011 11:23 PM, Les Mikesell wrote:
> On 6/14/2011 10:06 AM, m.r...@5-cent.us wrote:
>> Benjamin Franz wrote:
>>> On 06/14/2011 06:19 AM, m.r...@5-cent.us wrote:

 Timeliness, dunno. Ubuntu (or fedora) for production? NOT IF I HAVE ANY
 CONTROL!!! Given how many developers write incredibly fragile code, that
 is utterly dependent upon a very, very special environment, I guarantee
 that the almost daily updates will break it, or the New Features! will
 have changed interfaces
>> 
>>> And AppArmor has yet to 'knee-cap' me like SELinux has (repeatedly) by
>>> breaking previously stable systems. Where I routinely disable SELinux on
>>> CentOS, I have yet to have AppArmor interfere with normal ops - ever. It
>>> "just works".
>>
>> Ok... do you have in-house developed software? I've got one team that's
>> using ruby on rails, and the other admin has to compile it from source,
>> because they, I mean, just *have* to have the latest version, and another
>> team has a customized version of some software that is either licensed, or
>> open source, don't remember, that's all in java, and then there's the
>> parallel processing programs
>>
>> But the first two, esp the first, are *incredibly* fragile, and I've seen
>> that in other places I've worked. Then there was the grief I had on a box
>> that's only used for offline backups on encrytped drives, and going from
>> 10? 11? to 13 was a nightmare, and X wouldn't work until I got rid of
>> gnome, and put KDE on
>>
>> I want solid and stable.
>
> I don't get the comparisons. Do you have some specific bad experience
> with LTS to make this relevant?  If you are building stuff from source,
> the distribution packages are basically irrelevant - and in java the
> whole OS is mostly irrelevant.  Fedora releases are rather clearly
> alpha/beta versions intending to lead up to RHEL after a lot of
> bugfix/QA work to stabilize it.  But ubuntu isn't like that - they don't
> push stuff out just to get testing for some later money making release,

Okay, so you don't have to pay for LTS but unless I am mistaken, 
Canonical only offers paid support for LTS releases.


> it is the best they can do in the first place with an emphasis on ease
> of installation and use.  The LTS versions are even designed to do
> major-rev upgrades over the network - and it has worked on the machines
> where I've tried it.
>

Non-LTS are virtually the same as Fedora releases; experimental 
releases. Even some LTS releases get pushed out the door with major bugs 
in various packages. The only plus is that it is possible to do 
major-rev upgrades provided that you do not use third-party repos.

Every Ubuntu release has been fraught with the screams of victims who 
had their dist-upgrade blow up in their face whether LTS or non-LTS 
release. Okay, I personally have not had major problems, but it sure 
does not inspire confidence.
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[CentOS] OT: high static in server room

[Fajar Priyanto]

Hi guys,
Sorry for the OT.
For the last couple of weeks I notice that the static in my server
room is worrisomely noticeable.
I cannot see what may be causing it
Care to share some of your experience what may be the cause and the remedy?

Thank you.
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Re: [CentOS] CentOS-6 Status updates

[Christopher Chan]

On Tuesday, June 14, 2011 11:26 PM, Trutwin, Joshua wrote:
>> heck it's still Linux and pretty much the same.
>
> There's a lot more than just a kernel to break a system.
>
>> Red Hat went far too long between releases and it is clear to me that I can't
>> possibly rely on CentOS for timeliness.
>
> Maybe I'm just in a different kind of environment, but why do you *need* more 
> frequent releases?  I still run some servers on EL 4 and will only migrate 
> them when they approach End-of-Life status.  They work and are up unless I 
> bring them down.  Security patches are still being pushed out for them.  
> Sounds like you're looking for a desktop linux - probably best to use 
> Fedora/Ubuntu?
>

/me hazards a guess...php?
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Re: [CentOS] CentOS-6 Status updates

[m . roth]

Les Mikesell wrote:
> On 6/14/2011 10:06 AM, m.r...@5-cent.us wrote:
>> Benjamin Franz wrote:
>>> On 06/14/2011 06:19 AM, m.r...@5-cent.us wrote:

 Timeliness, dunno. Ubuntu (or fedora) for production? NOT IF I HAVE
 ANY CONTROL!!! Given how many developers write incredibly fragile code,
 that is utterly dependent upon a very, very special environment, I
 guarantee that the almost daily updates will break it, or the New
 Features! will have changed interfaces
>> 
>>> And AppArmor has yet to 'knee-cap' me like SELinux has (repeatedly) by
>>> breaking previously stable systems. Where I routinely disable SELinux
>>> on CentOS, I have yet to have AppArmor interfere with normal ops - ever.
>>> It "just works".
>>
>> Ok... do you have in-house developed software? I've got one team that's

>> 10? 11? to 13 was a nightmare, and X wouldn't work until I got rid of
>> gnome, and put KDE on
>>
>> I want solid and stable.
>
> I don't get the comparisons. Do you have some specific bad experience

I guess you don't. Let's start out this way, by defining my use of the
word "fragile": this is where software is utterly dependent upon the
runtime environment, and on the versions of the executables and libraries
they use, and where a sub-release may carry a change in it that breaks the
damn thing, because they're using some experimental function (sorry,
"method"), or their stuff worked only because some error checking wasn't
enabled, and the data and code fell through and worked, and the new
version caught it and died.

> with LTS to make this relevant?  If you are building stuff from source,
> the distribution packages are basically irrelevant - and in java the
> whole OS is mostly irrelevant.  Fedora releases are rather clearly

Nope - the O/S and all the packages with it *are* the environment that I
refer to.

> alpha/beta versions intending to lead up to RHEL after a lot of

Yeah, but some people appear to think (or at least that was what I got
from the post of the guy I was replying to) that fedora is good enough for
production.

> bugfix/QA work to stabilize it.  But ubuntu isn't like that - they don't
> push stuff out just to get testing for some later money making release,
> it is the best they can do in the first place with an emphasis on ease
> of installation and use.  The LTS versions are even designed to do
> major-rev upgrades over the network - and it has worked on the machines
> where I've tried it.

Ok, I *only* heard of the desktop emphasis, and that's what I see on my
netbook remix. I have not heard of LTS before, or that it was intended for
servers. Still, if it has updates as frequently as my netbook does, that
would make me nervous about a production environment.

I'll stick with CentOS...oh, that's right, I should only make comments
like that on a CentOS list

mark

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Re: [CentOS] Dell openmanage srvadmin on 5.6

[Eero Volotinen]

2011/6/14 Kevin Thorpe :
> Hmmm... I don't know how to do this but I know a man who can
> so it'll wait.

just follow instructions at web page.

step 1 (on root terminal): wget -q -O -
http://linux.dell.com/repo/hardware/OMSA_6.5/bootstrap.cgi | bash
step 2 (on root terminal): yum install srvadmin-all


--
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Re: [CentOS] CentOS-6 Status updates

[m . roth]

Christopher Chan wrote:
> On Tuesday, June 14, 2011 11:23 PM, Les Mikesell wrote:
>> On 6/14/2011 10:06 AM, m.r...@5-cent.us wrote:
>>> Benjamin Franz wrote:
 On 06/14/2011 06:19 AM, m.r...@5-cent.us wrote:
>

> Non-LTS are virtually the same as Fedora releases; experimental
> releases. Even some LTS releases get pushed out the door with major bugs
> in various packages. The only plus is that it is possible to do
> major-rev upgrades provided that you do not use third-party repos.
>
> Every Ubuntu release has been fraught with the screams of victims who
> had their dist-upgrade blow up in their face whether LTS or non-LTS
> release. Okay, I personally have not had major problems, but it sure
> does not inspire confidence.

Odd you should mention it - a friend on a techie mailing list just tried
to set up dual-boot XP w/ ubuntu, and had all *kinds* of grief, dunno if
she just restored XP. Wouldn't recognize her USB keyboard, didn't get the
graphics card and monitor right (which does surprise me), and she had fun
trying to find in which submenu the X settings were (applications, not
system!).

 mark

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Re: [CentOS] OT: high static in server room

[m . roth]

Fajar Priyanto wrote:
> Hi guys,
> Sorry for the OT.
> For the last couple of weeks I notice that the static in my server
> room is worrisomely noticeable.
> I cannot see what may be causing it
> Care to share some of your experience what may be the cause and the
> remedy?
>
Change the settings on the HVAC units to humidify it *some*.

   mark

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Re: [CentOS] OT: high static in server room

[Benjamin Franz]

On 06/14/2011 08:39 AM, Fajar Priyanto wrote:
> Hi guys,
> Sorry for the OT.
> For the last couple of weeks I notice that the static in my server
> room is worrisomely noticeable.
> I cannot see what may be causing it
> Care to share some of your experience what may be the cause and the remedy?

Low humidity would be my first guess. The relative humidity in your 
server room should be between 50% +/- 10%. Too high and you can get 
condensation. Too low and you get electrostatic discharges.

-- 
Benjamin Franz
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Re: [CentOS] OT: high static in server room

[Brunner, Brian T.]

centos-boun...@centos.org wrote:
> Hi guys,
> Sorry for the OT.
> For the last couple of weeks I notice that the static in my server
> room is worrisomely noticeable.
> I cannot see what may be causing it
> Care to share some of your experience what may be the cause
> and the remedy?
> 
> Thank you.
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Causes:
Low humidity for temperature
Improper footwear.

Solutions:
Air ionizer in server room
Tweak humidity/temp control
Felt slippers and/or anti-static grounding straps.


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Life is not measured by the number of breaths we take, but by the
moments that take our breath away. 


//me
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Re: [CentOS] CentOS-6 Status updates

[Jerry Franz]

On 06/14/2011 08:41 AM, m.r...@5-cent.us wrote:
>
> Yeah, but some people appear to think (or at least that was what I got
> from the post of the guy I was replying to) that fedora is good enough for
> production.

*blink*

Absolutely not. I was talking about Ubuntu Server LTS. I don't use 
Fedora for *anything*. I gave up on it back around FC5.

Ubuntu Server LTS is *very* suitable for production use.

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Re: [CentOS] CentOS-6 Status updates

[m . roth]

Jerry Franz wrote:
> On 06/14/2011 08:41 AM, m.r...@5-cent.us wrote:
>>
>> Yeah, but some people appear to think (or at least that was what I got
>> from the post of the guy I was replying to) that fedora is good enough
>> for production.
>
> *blink*
>
> Absolutely not. I was talking about Ubuntu Server LTS. I don't use
> Fedora for *anything*. I gave up on it back around FC5.

Ok, I sit corrected.
>
> Ubuntu Server LTS is *very* suitable for production use.

I'll take your word for it.

 mark

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Re: [CentOS] OT: high static in server room

[Kevin Thorpe]

On Tue, Jun 14, 2011 at 4:39 PM, Fajar Priyanto  wrote:
> Hi guys,
> Sorry for the OT.
> For the last couple of weeks I notice that the static in my server
> room is worrisomely noticeable.
> I cannot see what may be causing it
> Care to share some of your experience what may be the cause and the remedy?

We used to have real problems. If you walked across the floor and
reached towards
our mini it would spontaneously reboot. Not fun. We initially treated
the carpet with
an antistatic spray but ended up installing anti-static carpet tiles
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Re: [CentOS] Dell openmanage srvadmin on 5.6

[Kevin Thorpe]

On Tue, Jun 14, 2011 at 4:45 PM, Eero Volotinen  wrote:
> 2011/6/14 Kevin Thorpe :
>> Hmmm... I don't know how to do this but I know a man who can
>> so it'll wait.
>
> just follow instructions at web page.
>
> step 1 (on root terminal): wget -q -O -
> http://linux.dell.com/repo/hardware/OMSA_6.5/bootstrap.cgi | bash
> step 2 (on root terminal): yum install srvadmin-all

That was where I was before I came to the list.
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Re: [CentOS] CentOS-6 Status updates

[Les Mikesell]

On 6/14/2011 10:48 AM, m.r...@5-cent.us wrote:
>
>> Non-LTS are virtually the same as Fedora releases; experimental
>> releases. Even some LTS releases get pushed out the door with major bugs
>> in various packages. The only plus is that it is possible to do
>> major-rev upgrades provided that you do not use third-party repos.
>>
>> Every Ubuntu release has been fraught with the screams of victims who
>> had their dist-upgrade blow up in their face whether LTS or non-LTS
>> release. Okay, I personally have not had major problems, but it sure
>> does not inspire confidence.
>
> Odd you should mention it - a friend on a techie mailing list just tried
> to set up dual-boot XP w/ ubuntu, and had all *kinds* of grief, dunno if
> she just restored XP. Wouldn't recognize her USB keyboard, didn't get the
> graphics card and monitor right (which does surprise me), and she had fun
> trying to find in which submenu the X settings were (applications, not
> system!).

I suppose there is hardware that nothing but pre-installed windows will 
recognize  But I happen to have a dual-boot XP/Ubuntu laptop where I 
can run the ubuntu session either natively or under VMware player and it 
just pops up a dialog asking if I want to run in low-res or reconfigure 
X (which it does automatically) when I switch between the modes and it 
sees different hardware.  And it detects a USB keyboard just fine, 
whether hot plugged or present at boot time.   So, I don't think your 
friend's experience is typical and it certainly doesn't match mine.   By 
the way, my install was originally a 9.x LTS, upgraded to a 10.x over 
the network while running under vmware and I installed it in the first 
place because Centos didn't include a driver for the wifi and ubuntu 
'just worked'.

-- 
   Les Mikesell
lesmikes...@gmail.com

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Re: [CentOS] CentOS-6 Status updates

[Les Mikesell]

On 6/14/2011 10:41 AM, m.r...@5-cent.us wrote:
>
>>> Ok... do you have in-house developed software? I've got one team that's
> 
>>> 10? 11? to 13 was a nightmare, and X wouldn't work until I got rid of
>>> gnome, and put KDE on
>>>
>>> I want solid and stable.
>>
>> I don't get the comparisons. Do you have some specific bad experience
>
> I guess you don't.

I didn't mean I don't understand the problem you describe.  I just don't 
understand why you blame anyone but the developers in your scenario.

> Let's start out this way, by defining my use of the
> word "fragile": this is where software is utterly dependent upon the
> runtime environment, and on the versions of the executables and libraries
> they use, and where a sub-release may carry a change in it that breaks the
> damn thing, because they're using some experimental function (sorry,
> "method"), or their stuff worked only because some error checking wasn't
> enabled, and the data and code fell through and worked, and the new
> version caught it and died.

Yes, developers can and do write bad code. Providing them an environment 
where it mostly just happens to work most of the the time is one 
approach to dealing with it - but it probably won't play out well in the 
long run when the the environment has to change for security or hardware 
support reasons.

> Nope - the O/S and all the packages with it *are* the environment that I
> refer to.

How many of them actually affect a java app (which if done right will be 
equally at home across linux/mac/windows)?  And you couldn't seriously 
have considered using a CentOS packaged java at all until very recently, 
so I don't understand thinking that CentOS would have been a solution 
for this.

>> alpha/beta versions intending to lead up to RHEL after a lot of
>
> Yeah, but some people appear to think (or at least that was what I got
> from the post of the guy I was replying to) that fedora is good enough for
> production.

Nobody thinks that for long - or with large numbers of machines.

> Ok, I *only* heard of the desktop emphasis, and that's what I see on my
> netbook remix. I have not heard of LTS before, or that it was intended for
> servers. Still, if it has updates as frequently as my netbook does, that
> would make me nervous about a production environment.
>
> I'll stick with CentOS...oh, that's right, I should only make comments
> like that on a CentOS list

OK, but what was that about things like ruby and java? (Java being more 
or less OK now...).  If you don't use/need software from this decade, 
then maybe it isn't a big issue for you either way.

-- 
   Les Mikesell
lesmikes...@gmail.com




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Re: [CentOS] CentOS-announce Digest, Vol 76, Issue 4

[Les Mikesell]

Are the updates supposed to be synced to the mirrors before the announce 
message goes out?  Only a random few machines could get these updates 
yesterday.

Also, is there some reason behind the package name/numbering going from:
java-1.6.0-openjdk-1.6.0.0-1.21.b17.el5
to
java-1.6.0-openjdk.x86_64 1:1.6.0.0-1.22.1.9.8.el5_6
?

-- 
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Re: [CentOS] CentOS-6 Status updates

[m . roth]

Les Mikesell wrote:
> On 6/14/2011 10:41 AM, m.r...@5-cent.us wrote:
>>
 Ok... do you have in-house developed software? I've got one team
 that's
>> 
 10? 11? to 13 was a nightmare, and X wouldn't work until I got rid of
 gnome, and put KDE on

 I want solid and stable.
>>>
>>> I don't get the comparisons. Do you have some specific bad experience
>>
>> I guess you don't.
>
> I didn't mean I don't understand the problem you describe.  I just don't
> understand why you blame anyone but the developers in your scenario.

I'm an admin. I'm a contractor. I have *ZERO* control over what they
write, or in what languages. I am *required* to make sure that the
environment, that is under my control, doesn't break what they're doing.
That leads back to "I want a solid, stable platform".

>> Nope - the O/S and all the packages with it *are* the environment that I
>> refer to.
>
> How many of them actually affect a java app (which if done right will be
> equally at home across linux/mac/windows)?  And you couldn't seriously
> have considered using a CentOS packaged java at all until very recently,
> so I don't understand thinking that CentOS would have been a solution
> for this.

Um, sorry, mostly word is to use openjdk. We have one or two projects that
have managed to force using Sun Java, though.

>> I'll stick with CentOS...oh, that's right, I should only make comments
>> like that on a CentOS list
>
> OK, but what was that about things like ruby and java? (Java being more
> or less OK now...).  If you don't use/need software from this decade,
> then maybe it isn't a big issue for you either way.

"This decade"? Oh, come *on* Mike, be real. Just because the languages
they use are changing continually doesn't mean that a *language* compiler
or interpreter a couple-three years old shouldn't work.

  mark "ought to get back to coding some C (k&r)"

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Re: [CentOS] CentOS-6 Status updates

[Devin Reade]

>>> Smart folks will test 6.0 to see how apps perform/behave and then wait 
>>> till 6.1.
>> 
>> I beg to differ. Smart folks will test 6.0 and deploy it if performance
is
>> acceptable.
>
> Guess you have never worked in an organization of any size where you worry
> about reliability, patches, bug fixes, etc. 

How about acknowledging that each organization's requirements are 
different, and may well in fact differ depending on the circumstances?

Yes, in a lot of cases there can be problems with *.0 releases (not
referring to CentOS in particular here, but software in general).
Sometimes circumstances force your hand.

OMO, a good systems architect doesn't live in black-and-white world,
but rather knows the influencing factors, has a wide selection of tools,
picks the best solution available to the problem at hand, and tries
to mitigate his risks.

Devin

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Re: [CentOS] CentOS-6 Status updates

[Les Mikesell]

On 6/14/2011 12:19 PM, m.r...@5-cent.us wrote:
>
> I'm an admin. I'm a contractor.

Oh - OK.  Then you aren't expected to care about the long term consequences.

>> OK, but what was that about things like ruby and java? (Java being more
>> or less OK now...).  If you don't use/need software from this decade,
>> then maybe it isn't a big issue for you either way.
>
> "This decade"? Oh, come *on* Mike, be real. Just because the languages
> they use are changing continually doesn't mean that a *language* compiler
> or interpreter a couple-three years old shouldn't work.

The flip side of that is that you are ignoring thousands (millions?) of 
man-hours of development work in improvements that could be yours for free.

-- 
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lesmikes...@gmail.com



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Re: [CentOS] OT: high static in server room

[Rob Kampen]

Fajar Priyanto wrote:

Hi guys,
Sorry for the OT.
For the last couple of weeks I notice that the static in my server
room is worrisomely noticeable.
I cannot see what may be causing it
Care to share some of your experience what may be the cause and the remedy?
  

Check the humidity - if it gets too low (< 20%) this can cause problems

Thank you.
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Re: [CentOS] CentOS-6 Status updates

[m . roth]

Les Mikesell wrote:
> On 6/14/2011 12:19 PM, m.r...@5-cent.us wrote:
>>
>> I'm an admin. I'm a contractor.
>
> Oh - OK.  Then you aren't expected to care about the long term
> consequences.

Yes, I bloody well am. I work for a federal contractor, and as long as
they have the multi-year contract, and my boss likes me, I have the job.

And even if I didn't, as a professional, it friggin' DOES matter to me.
>
>>> OK, but what was that about things like ruby and java? (Java being more
>>> or less OK now...).  If you don't use/need software from this decade,
>>> then maybe it isn't a big issue for you either way.
>>
>> "This decade"? Oh, come *on* Mike, be real. Just because the languages
>> they use are changing continually doesn't mean that a *language*
>> compiler or interpreter a couple-three years old shouldn't work.
>
> The flip side of that is that you are ignoring thousands (millions?) of
> man-hours of development work in improvements that could be yours for
> free.

They're not *my* work. I don't get the chance to code any more. And yes,
improvements... where a language changes year to year? It used to be that
it took *years* to get a major change through (say, K&R to ANSI). Now they
come along as frequently as updates to, um, fedora. If it were up to me, I
wouldn't *touch* some of that stuff till it soaked for a year or two.

Oddly enough, I just read this book review on slashdot, which mentioned
something I'd never heard of: the Software Craftsmanship Movement. Seems
to be advocating things, some of which I've bitched and moaned about how
things sould be done for decades.

  mark
mark

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[CentOS] CentOS-6 Status updates

[R P Herrold]

On Tue, 14 Jun 2011, m.r...@5-cent.us wrote:

> Les Mikesell wrote:
>> On 6/14/2011 12:19 PM, m.r...@5-cent.us wrote:

PLEASE ... let this thread die or take it to a bar somewhere 
... it has NOTHING do do with the subject line

-- Russ herrold
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Re: [CentOS] OT: high static in server room

[Robert Heller]

At Tue, 14 Jun 2011 17:31:02 +0100 CentOS mailing list  
wrote:

> 
> On Tue, Jun 14, 2011 at 4:39 PM, Fajar Priyanto  wrote:
> > Hi guys,
> > Sorry for the OT.
> > For the last couple of weeks I notice that the static in my server
> > room is worrisomely noticeable.
> > I cannot see what may be causing it
> > Care to share some of your experience what may be the cause and the remedy?
> 
> We used to have real problems. If you walked across the floor and
> reached towards
> our mini it would spontaneously reboot. Not fun. We initially treated
> the carpet with
> an antistatic spray but ended up installing anti-static carpet tiles

Carpets are generally contra-indicated with ANY sort of computer
equipment.  Ideal floor: your basic institutional linoleum tiles.  Yes,
it is ugly, but...

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> 

-- 
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Re: [CentOS] OT: high static in server room

[Kevin Thorpe]

>> On Tue, Jun 14, 2011 at 4:39 PM, Fajar Priyanto  wrote:
>> > Hi guys,
>> > Sorry for the OT.
>> > For the last couple of weeks I notice that the static in my server
>> > room is worrisomely noticeable.
>> > I cannot see what may be causing it
>> > Care to share some of your experience what may be the cause and the remedy?
>>
>> We used to have real problems. If you walked across the floor and
>> reached towards
>> our mini it would spontaneously reboot. Not fun. We initially treated
>> the carpet with
>> an antistatic spray but ended up installing anti-static carpet tiles
>
> Carpets are generally contra-indicated with ANY sort of computer
> equipment.  Ideal floor: your basic institutional linoleum tiles.  Yes,
> it is ugly, but...

I know that, you know that, but the powers that be insist on carpet on the
raised floor tiles.
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Re: [CentOS] OT: high static in server room

[m . roth]

Kevin Thorpe wrote:
>>> On Tue, Jun 14, 2011 at 4:39 PM, Fajar Priyanto 
>>> wrote:
>>> > Hi guys,
>>> > Sorry for the OT.
>>> > For the last couple of weeks I notice that the static in my server
>>> > room is worrisomely noticeable.
>>> > I cannot see what may be causing it
>>> > Care to share some of your experience what may be the cause and the
>>> remedy?
>>>
>>> We used to have real problems. If you walked across the floor and
>>> reached towards our mini it would spontaneously reboot. Not fun. We
>>> initially treated the carpet with
>>> an antistatic spray but ended up installing anti-static carpet tiles
>>
>> Carpets are generally contra-indicated with ANY sort of computer
>> equipment.  Ideal floor: your basic institutional linoleum tiles.  Yes,
>> it is ugly, but...
>
> I know that, you know that, but the powers that be insist on carpet on the
> raised floor tiles.

Has anyone presented them with the problems with carpeting in the server
room? Doesn't have to be confrontational, just "we're having a problem
with static discharges in the server room, and one of the sources is the
carpeting. We may have to have folks wearing static-discharge anklets, or
put metal strips in to ground everything. This wouldn't be an
issue if we didn't have carpeting Can we look at
solutions for this problem, that can cause shorts and servers crashing?"

 mark

mark

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Re: [CentOS] OT: high static in server room

[Kevin Thorpe]

>> I know that, you know that, but the powers that be insist on carpet on the
>> raised floor tiles.
>
> Has anyone presented them with the problems with carpeting in the server
> room? Doesn't have to be confrontational, just "we're having a problem
> with static discharges in the server room, and one of the sources is the
> carpeting. We may have to have folks wearing static-discharge anklets, or
> put metal strips in to ground everything. This wouldn't be an
> issue if we didn't have carpeting Can we look at
> solutions for this problem, that can cause shorts and servers crashing?"

Sorry, 'insisted'. Previous job and the proper computer room chock full of big
iron had to look spotless. I spent a good hour each shift polishing the boxen.
Pointless when everything was air conditioned to death but we worked there
behind a big picture window for the bigwigs to ogle at.

Now all our gear is in a datacentre 250 miles away and as long as it works
it's not my problem. If it stops working it's still not my problem because
they suddenly owe us a load of dosh. That room is all cold hard metal panels
and steel mesh. Uncomfortable for people but then nobody has to touch the
stuff until it breaks - and that's incredibly rare now.
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Re: [CentOS] OT: high static in server room

[m . roth]

Kevin Thorpe wrote:
>>> I know that, you know that, but the powers that be insist on carpet on
>>> the raised floor tiles.
>>
>> Has anyone presented them with the problems with carpeting in the server
>> room? Doesn't have to be confrontational, just "we're having a problem
>> with static discharges in the server room, and one of the sources is the
>> carpeting. We may have to have folks wearing static-discharge anklets,
>> or put metal strips in to ground everything. This wouldn't
>> be an issue if we didn't have carpeting Can we look at
>> solutions for this problem, that can cause shorts and servers crashing?"
>
> Sorry, 'insisted'. Previous job and the proper computer room chock full of
> big iron had to look spotless. I spent a good hour each shift polishing
> the boxen.

Huh? They had an admin doing *cleaning*, every shift? Talk about wasting
money!

> Pointless when everything was air conditioned to death but we worked there
> behind a big picture window for the bigwigs to ogle at.

Ah, so the answer was "why don't we get a consultant in from, say, IBM, to
help solve our problem?" 
>
> Now all our gear is in a datacentre 250 miles away and as long as it works
> it's not my problem. If it stops working it's still not my problem because
> they suddenly owe us a load of dosh. That room is all cold hard metal
> panels and steel mesh. Uncomfortable for people but then nobody has to
> touch the stuff until it breaks - and that's incredibly rare now.

Right. I can avoid going into the server rooms (sorry, "computer labs")
for days at a time.

 mark

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Re: [CentOS] OT: high static in server room

[John R Pierce]

On 06/14/11 12:27 PM, Kevin Thorpe wrote:
> I know that, you know that, but the powers that be insist on carpet on the
> raised floor tiles.

there are carpets that have conductive fibers woven into them 
specifically to combat static.

carpet is usually banned from computer rooms because it encourages lint 
and dust, which clogs fans and chassis and air filters.most data 
centers do NOT want the janitors in there doing weekly vacuuming and 
banging into the servers!!



-- 
john r pierceN 37, W 122
santa cruz ca mid-left coast

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Re: [CentOS] OT: high static in server room

[Kevin Thorpe]

> carpet is usually banned from computer rooms because it encourages lint
> and dust, which clogs fans and chassis and air filters.    most data
> centers do NOT want the janitors in there doing weekly vacuuming and
> banging into the servers!!

This was a mainframe shop and we were the fishes swimming around behind
the picture window. After you've spent £4 million on a computer you want to
show it off. and we did the cleaning, not a cleaner in sight
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Re: [CentOS] Compiling PHP and MySQL

[Dvorkin, Asya]

On Jun 14, 2011, at 9:40 AM, John Doe wrote:

> From: "Dvorkin, Asya" 
> 
>> Is there a way to find out what are the usual configure options that are 
>> used to 
>> compile binaries that are available through yum?
> 
> php -i | grep configure
> or check from the srpm...

Thank you, John.  This is very useful to know.

Asya

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Re: [CentOS] Compiling PHP and MySQL

[John R Pierce]

On 06/14/11 1:10 PM, Dvorkin, Asya wrote:
>>> Is there a way to find out what are the usual configure options that are 
>>> used to
>>> >>  compile binaries that are available through yum?
>> >  
>> >  php -i | grep configure
>> >  or check from the srpm...
> Thank you, John.  This is very useful to know.

I would suggest using the SRPMS and rpmbuild after modifying the spec 
file to reference the php/mysql source tarballs of your choice.   if you 
start with SRPMs that are close to the version you want, it will be that 
much easier.

this way your custom php/mysql are packaged as RPMs so they will coexist 
nicely with the rest of the system.

-- 
john r pierceN 37, W 122
santa cruz ca mid-left coast

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Re: [CentOS] OT: high static in server room

[aurfalien]

On Jun 14, 2011, at 12:54 PM, Kevin Thorpe wrote:

>> carpet is usually banned from computer rooms because it encourages  
>> lint
>> and dust, which clogs fans and chassis and air filters.most data
>> centers do NOT want the janitors in there doing weekly vacuuming and
>> banging into the servers!!
>
> This was a mainframe shop and we were the fishes swimming around  
> behind
> the picture window. After you've spent £4 million on a computer you  
> want to
> show it off. and we did the cleaning, not a cleaner in sight

Yea, NetApp does the same.

Carpet is quieter and looks nicer.

I did a small room once were I stitched together carpet of a Lego  
scene, was really fun.

I was working for Burt Ward at one time (Robin from Batman TV series)  
and was gonna do a bat cave inspired room with fake rocks,  
stalactites, cool lighting, etc...

- aurf
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Re: [CentOS] CentOS-6 Status updates

[gvim]

On 14/06/2011 05:07, Mark Bradbury wrote:
> On 13 June 2011 23:53, James B. Byrne  wrote:
>
>>
>> I just want to say that I really, really, appreciate the information
>> given on this site:
>>
>> http://qaweb.dev.centos.org/qa/calendar
>>
>>
>
> It seems every time I look at that site the dates have changed, last time I
> looked the external mirrors where to start syncing yesterday. the 13th
>
>
>
>
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Then 21st, now 24th. Scientific Linux doesn't seem to have these problems. 
That's why I switched. Don't get it.

gvim
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Re: [CentOS] CentOS-6 Status updates

[Scott Silva]

on 6/14/2011 2:23 PM gvim spake the following:
,snip>
> 
> Then 21st, now 24th. Scientific Linux doesn't seem to have these problems. 
> That's why I switched. Don't get it.
> 
> gvim

You forgot to switch lists... ;)

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Re: [CentOS] CentOS-6 Status updates

[Ljubomir Ljubojevic]

gvim wrote:
> 
> Then 21st, now 24th. Scientific Linux doesn't seem to have these problems. 
> That's why I switched. Don't get it.
> 
What 24th are you talking about?

QA site has 16th as pushing to internal mirrors. I was informed that all 
rpm's are OK, they are just fixing few distro/ISO bugs.

There is a possibility that all rpm's will be pushed to internal mirrors 
before the 16th, and that only ISO's will have to be pushed once QA team 
  says everything is in order. I hope this will be the case.

It would be nice if even external mirrors are pre-populated and hidden 
until ISO's are distributed and public announcement is made.

Ljubomir
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Re: [CentOS] CentOS-6 Status updates

[Ron Blizzard]

On Tue, Jun 14, 2011 at 10:48 AM,   wrote:

> Odd you should mention it - a friend on a techie mailing list just tried
> to set up dual-boot XP w/ ubuntu, and had all *kinds* of grief, dunno if
> she just restored XP. Wouldn't recognize her USB keyboard, didn't get the
> graphics card and monitor right (which does surprise me), and she had fun
> trying to find in which submenu the X settings were (applications, not
> system!).

My brother called this weekend. He's a Windows programmer who has
recently started experimenting with Linux. Ubuntu, specifically. He
upgraded and then his ATI video card quit working correctly. He
finally found the solution, but he searched all day (I was no help to
him). I have one partition set up with Linux Mint 10 (because my Dad
uses Linux Mint and I want to be able to support him over the phone).
Every time I boot up, Nautilus and Gnome-Panel don't come up. (I have
to go to a terminal and type "pkill nautilus" and "pkill gnome-panel"
to get them to work.) So, although Mint is "pretty" and uses modern
packages, it's not rock solid like CentOS. Of course desktops are
different than servers and I can only speak from personal (limited)
experience.

-- 
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Re: [CentOS] CentOS-6 Status updates

[Ron Blizzard]

On Tue, Jun 14, 2011 at 11:37 AM, Les Mikesell  wrote:

> By
> the way, my install was originally a 9.x LTS, upgraded to a 10.x over
> the network while running under vmware and I installed it in the first
> place because Centos didn't include a driver for the wifi and ubuntu
> 'just worked'.

Opposite of my experience. All functions on my Dell work with CentOS,
including "sleep," etc. Linux Mint can't replicate that -- if I close
the lid, for example, I have to reboot. I haven't been able to find a
fix for this.  But I think it depends on your hardware.

-- 
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Re: [CentOS] CentOS-6 Status updates

[Les Mikesell]

On 6/14/2011 4:54 PM, Ron Blizzard wrote:
> On Tue, Jun 14, 2011 at 10:48 AM,  wrote:
>
>> Odd you should mention it - a friend on a techie mailing list just tried
>> to set up dual-boot XP w/ ubuntu, and had all *kinds* of grief, dunno if
>> she just restored XP. Wouldn't recognize her USB keyboard, didn't get the
>> graphics card and monitor right (which does surprise me), and she had fun
>> trying to find in which submenu the X settings were (applications, not
>> system!).
>
> My brother called this weekend. He's a Windows programmer who has
> recently started experimenting with Linux. Ubuntu, specifically. He
> upgraded and then his ATI video card quit working correctly. He
> finally found the solution, but he searched all day (I was no help to
> him). I have one partition set up with Linux Mint 10 (because my Dad
> uses Linux Mint and I want to be able to support him over the phone).
> Every time I boot up, Nautilus and Gnome-Panel don't come up. (I have
> to go to a terminal and type "pkill nautilus" and "pkill gnome-panel"
> to get them to work.) So, although Mint is "pretty" and uses modern
> packages, it's not rock solid like CentOS. Of course desktops are
> different than servers and I can only speak from personal (limited)
> experience.

How much modern hardware do you have running with CentOS in GUI mode?  I 
think these are just generic Linux issues.  The last round of servers we 
got (in a different office) wouldn't even show the CentOS installer 
screen well enough to fill in the network setup info.  This was an IBM 
3550 M3 with some sort of Matrox video on board.  I'd expect that to be 
a fairly mainstream server box.

And by the way - if you need to run something yourself just to be able 
to support someone else you can usually do it under vmware player, 
virtualbox, etc.  It's easier than fighting with real hardware and 
shutting down whatever else you were doing to use it.


-- 
   Les Mikesell
 lesmikes...@gmail.com
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Re: [CentOS] CentOS-6 Status updates

[Les Mikesell]

On 6/14/2011 5:00 PM, Ron Blizzard wrote:
> On Tue, Jun 14, 2011 at 11:37 AM, Les Mikesell  wrote:
>
>> By
>> the way, my install was originally a 9.x LTS, upgraded to a 10.x over
>> the network while running under vmware and I installed it in the first
>> place because Centos didn't include a driver for the wifi and ubuntu
>> 'just worked'.
>
> Opposite of my experience. All functions on my Dell work with CentOS,

Do you have something other than an intel wifi chip?  At least at the 
time I installed, CentOS did not include the firmware.  I might have 
been able to fix that, but I also had trouble with WPA2 password setting 
in another scenario and ubunutu seemed much more adept about managing 
connections.  Maybe CentOS has gotten better with current updates.

-- 
   Les Mikesell
lesmikes...@gmail.com




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[CentOS] leaving ports open for tftp

[Tim Dunphy]

hey guys,

 I have a really silly question for you! I just built a cobbler server that I 
am using to bare metal some boxes. But I am a bit n00b and need to figure out 
which ports to open in iptables.

 Here's a start:

xinetd 2031  root8u IPv4  94306 UDP 
*:tftp 
in.tftpd   9203  root  cwd   DIR  253,0 4096 588097 
/tftpboot
in.tftpd   9203  root  rtd   DIR  253,0 4096  2 
/
in.tftpd   9203  root  txt   REG  253,0395441813945 
/usr/sbin/in.tftpd
in.tftpd   9203  root  mem   REG  253,0   1395041698969 
/lib64/ld-2.5.so
in.tftpd   9203  root  mem   REG  253,0  17223041698999 
/lib64/libc-2.5.so
in.tftpd   9203  root  mem   REG  253,0373681699127 
/lib64/libwrap.so.0.7.6
in.tftpd   9203  root  mem   REG  253,0   1143521699014 
/lib64/libnsl-2.5.so
in.tftpd   9203  root  mem   REG  253,0538801698970 
/lib64/libnss_files-2.5.so
in.tftpd   9203  root0u IPv4  94306 UDP 
*:tftp 



I think what I want is the 6th column but I am uncertain of how to express that 
in terms of iptables. Thanks!

tim
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[CentOS] OT: clear error from premature disk removal from LVM

[Keith Keller]

Hi all,

This question is only slightly ontopic, in that the host system is a
CentOS 5 box, but is otherwise a fairly generic question.  I've looked
in so many different places for an answer, but haven't had much luck,
so I'm hoping someone here has some advice.  (for the record: I posted 
this question to comp.os.linux.misc a few weeks ago)

===

I made a minor mistake recently, and am trying to determine the cleanest
way to clear it.  Attached to my hardware RAID controller were two RAID6 
units.  One was the original disks that came with the server, which
originally hosted our data, but had since had all its data migrated
to a new LVM PV.  The other is newer disks with a new PV, VG, and LV.

For testing purposes, after completing the pvmove I created a clean,
new LV on the unit containing the old disks.  (I believe that I actually
destroyed the original RAID6 array and created a new one.)  Unfortunately,
I completely forgot about this LV during a recent hardware upgrade,
and didn't run through the LVM steps to completely remove an unused
physical volume before removing these old disks.  (At least the LV was
not mounted at the time).  Now LVM seems to be confused about the disks
and volumes that are available, and the kernel may also be confused.

Taken from a recent reboot, here's the dmesg log entry for the old testing
unit:

sd 1:0:2:0: Attached scsi disk sdc

Later on, I removed the disks through the controller's tools, replaced
them with new ones (so this is the third set of disks), and created a
new RAID6 unit.  After making the new unit I see (among other messages
which don't seem helpful):

May 19 16:27:28  kernel: sd 1:0:2:0: Attached scsi disk sdd

Later on, when trying to run parted or friends, I see messages like so:

May 23 11:22:47  kernel: scsi 1:0:2:0: rejecting I/O to dead device

(note the same scsi address as sdc?)

And pvdisplay says:

# pvdisplay 
  /dev/testVG/testLV: read failed after 0 of 4096 at 0: Input/output error

That looks bad--it seems like testLV is trying to find the old LVM on
/dev/sdc, but the array on sdd is there instead.  Worse, I fear that
trying to manipulate sdd may cause problems in the future, so am wary of
doing anything with it before I clear up this issue.

What should my next steps be?  I've seen recommendations (in other
somewhat similar situations) to try an lvscan or vgscan to refresh the
list of volumes; or to try vgreduce --removemissing to remove the
now-gone volumes from what LVM thinks is there.  I do also still have
the original disks, which I could put back and try to get LVM to
re-find, but would be a pain.  I am hoping to avoid a reboot, since the
current LV seems unaffected and is in use, but I can do it if it's the
surest way to make sure my LVM configuration is clean.

I should point out that I do not care at all about the data on testLV;
all I want to do is cleanly tell LVM not to worry about that volume any
more, and be in a position to use the third set of disks safely and
reliably.

Thanks for reading--I hope you can help.

--keith

-- 
kkel...@wombat.san-francisco.ca.us



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Re: [CentOS] leaving ports open for tftp

[brian]

On 06/14/2011 06:51 PM, Tim Dunphy wrote:
> hey guys,
>
>   I have a really silly question for you! I just built a cobbler server that 
> I am using to bare metal some boxes. But I am a bit n00b and need to figure 
> out which ports to open in iptables.
>
>   Here's a start:
>
> xinetd 2031  root8u IPv4  94306 
> UDP *:tftp
> in.tftpd   9203  root  cwd   DIR  253,0 4096 
> 588097 /tftpboot
> in.tftpd   9203  root  rtd   DIR  253,0 4096  
> 2 /
> in.tftpd   9203  root  txt   REG  253,039544
> 1813945 /usr/sbin/in.tftpd
> in.tftpd   9203  root  mem   REG  253,0   139504
> 1698969 /lib64/ld-2.5.so
> in.tftpd   9203  root  mem   REG  253,0  1722304
> 1698999 /lib64/libc-2.5.so
> in.tftpd   9203  root  mem   REG  253,037368
> 1699127 /lib64/libwrap.so.0.7.6
> in.tftpd   9203  root  mem   REG  253,0   114352
> 1699014 /lib64/libnsl-2.5.so
> in.tftpd   9203  root  mem   REG  253,053880
> 1698970 /lib64/libnss_files-2.5.so
> in.tftpd   9203  root0u IPv4  94306 
> UDP *:tftp
>
>
>
> I think what I want is the 6th column but I am uncertain of how to express 
> that in terms of iptables. Thanks!

  tim --

 I think the *standard* port for TFTP is 69.   You may have configured your 
server to use a different port...

 Assuming the default INPUT policy on your iptables configuration is 
"deny", typing the following at the command prompt, as 
root, will insert a rule allowing (and accepting) tftp on port 69:

 iptables -I INPUT -p udp --dport 69 -j ACCEPT


 ...this will enable tftp on port 69 from all network interfaces.

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Re: [CentOS] CentOS-6 Status updates

[Christopher Chan]

On Wednesday, June 15, 2011 12:37 AM, Les Mikesell wrote:
By
> the way, my install was originally a 9.x LTS, upgraded to a 10.x over
> the network while running under vmware and I installed it in the first
> place because Centos didn't include a driver for the wifi and ubuntu
> 'just worked'.
>

There is no 9.x LTS and it is good you did not get bitten but the 
grub/grub2 switch.
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Re: [CentOS] OT: high static in server room

[Fajar Priyanto]

Thanks all for the reply.
What is the worst thing can happen from excessive static?
We have two corrupted UEFI when we reboot servers which now I suspect
because of static.
Yesterday I actually saw a spark when I put a memory module on
motherboard even though I was careful like touching the metal casing
first. That just blow my mind and made me ask you in this list.
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Re: [CentOS] OT: high static in server room

[John R Pierce]

On 06/14/11 5:04 PM, Fajar Priyanto wrote:
> What is the worst thing can happen from excessive static?

fried electronics.  or, imho worse than total failure, is downstream 
flakiness induced by partial gate failures from said static zaps.



-- 
john r pierceN 37, W 122
santa cruz ca mid-left coast

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Re: [CentOS] CentOS-6 Status updates

[Tom H]

On Tue, Jun 14, 2011 at 5:54 PM, Ron Blizzard  wrote:
> On Tue, Jun 14, 2011 at 10:48 AM,   wrote:
>
>> Odd you should mention it - a friend on a techie mailing list just tried
>> to set up dual-boot XP w/ ubuntu, and had all *kinds* of grief, dunno if
>> she just restored XP. Wouldn't recognize her USB keyboard, didn't get the
>> graphics card and monitor right (which does surprise me), and she had fun
>> trying to find in which submenu the X settings were (applications, not
>> system!).
>
> My brother called this weekend. He's a Windows programmer who has
> recently started experimenting with Linux. Ubuntu, specifically. He
> upgraded and then his ATI video card quit working correctly. He
> finally found the solution, but he searched all day (I was no help to
> him). I have one partition set up with Linux Mint 10 (because my Dad
> uses Linux Mint and I want to be able to support him over the phone).
> Every time I boot up, Nautilus and Gnome-Panel don't come up. (I have
> to go to a terminal and type "pkill nautilus" and "pkill gnome-panel"
> to get them to work.) So, although Mint is "pretty" and uses modern
> packages, it's not rock solid like CentOS.

I wouldn't generalize based on your experience because Mint hasn't
become a very popular distribution by being broken. Same goes for
Ubuntu.
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Re: [CentOS] CentOS-6 Status updates

[Tom H]

On Tue, Jun 14, 2011 at 11:41 AM,   wrote:
>
> Yeah, but some people appear to think (or at least that was what I got
> from the post of the guy I was replying to) that fedora is good enough for
> production.

That was me. Using fedora isn't my choice but it's been running fine
for the purposes of the company where it's installed for years.
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Re: [CentOS] CentOS-6 Status updates

[John R. Dennison]

On Tue, Jun 14, 2011 at 10:23:38PM +0100, gvim wrote:
> 
> Then 21st, now 24th. Scientific Linux doesn't seem to have these
> problems. That's why I switched. Don't get it.

But yet you felt the need to comment.  Bravo.  

You realize that SL has people PAID to work on the distro, right?  As in
their primary job responsibility when releases are pending.  You realize
that the QA Web calendar are estimates and not hard dates, right?




John

-- 
In view of the fact that God limited the intelligence of man, it seems
unfair that he did not also limit his stupidity.

-- Konrad Hermann Josef Adenauer (1876-1967), West German Chancellor from
   1949-1963, as quoted in Through Russian Eyes: President Kennedy's 1036
   Days (1973) by Anatoli-Andreevich Gromyko 


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Re: [CentOS] CentOS-6 Status updates

[Christopher Chan]

On Wednesday, June 15, 2011 08:59 AM, Tom H wrote:
> On Tue, Jun 14, 2011 at 5:54 PM, Ron Blizzard  wrote:
>> On Tue, Jun 14, 2011 at 10:48 AM,  wrote:
>>
>>> Odd you should mention it - a friend on a techie mailing list just tried
>>> to set up dual-boot XP w/ ubuntu, and had all *kinds* of grief, dunno if
>>> she just restored XP. Wouldn't recognize her USB keyboard, didn't get the
>>> graphics card and monitor right (which does surprise me), and she had fun
>>> trying to find in which submenu the X settings were (applications, not
>>> system!).
>>
>> My brother called this weekend. He's a Windows programmer who has
>> recently started experimenting with Linux. Ubuntu, specifically. He
>> upgraded and then his ATI video card quit working correctly. He
>> finally found the solution, but he searched all day (I was no help to
>> him). I have one partition set up with Linux Mint 10 (because my Dad
>> uses Linux Mint and I want to be able to support him over the phone).
>> Every time I boot up, Nautilus and Gnome-Panel don't come up. (I have
>> to go to a terminal and type "pkill nautilus" and "pkill gnome-panel"
>> to get them to work.) So, although Mint is "pretty" and uses modern
>> packages, it's not rock solid like CentOS.
>
> I wouldn't generalize based on your experience because Mint hasn't
> become a very popular distribution by being broken. Same goes for
> Ubuntu.

Yeah, I wondered how it managed to become popular with broken 
NetworkManager back in the 7.x releases and other goodness like pulseaudio.

Serves me right for recommending something I had not myself tried. 
Blooming embarrassing having to talk colleague's son through the steps 
necessary to bring up eth0 and then stick stuff in /etc/resolv.conf.

But hey, it's just trading one set of issues with another anyway. No 
more compiling Nvidia/ATI binary blob kernel modules was a plus.

In any case, an LTS release for a server is a joke. How many PPA's have 
you added for your servers?
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Re: [CentOS] CentOS-6 Status updates

[Les Mikesell]

On 6/14/11 8:29 PM, Christopher Chan wrote:
> >
> In any case, an LTS release for a server is a joke. How many PPA's have
> you added for your servers?

For what?  Most of the stuff that you have to use 3rd party repos to get on 
CentOS is in the stock ubuntu repositories in usably recent versions.

-- 
   Les Mikesell
lesmikes...@gmail.com
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Re: [CentOS] CentOS-6 Status updates

[Ron Blizzard]

On Tue, Jun 14, 2011 at 5:15 PM, Les Mikesell  wrote:

> And by the way - if you need to run something yourself just to be able
> to support someone else you can usually do it under vmware player,
> virtualbox, etc.  It's easier than fighting with real hardware and
> shutting down whatever else you were doing to use it.

I can, but it's too slow on my "trailing edge" hardware. It's easier
to just reboot and not put up with a sluggish VirtualBox machine --
though I do (very rarely) run Win 2K in VirtualBox. Since it has a
small footprint it works well there -- and I pull its virtual network
plug so it can't go malware hunting.

-- 
RonB -- Using CentOS 5.6
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Re: [CentOS] CentOS-6 Status updates

[Ron Blizzard]

On Tue, Jun 14, 2011 at 5:24 PM, Les Mikesell  wrote:

> Do you have something other than an intel wifi chip?

No, not any more. I had a Broadcom card, but an older laptop we gave
away needed a WiFi card, so I invested $12 into an Intel card on eBay
and installed the Broadcom card in the "old" laptop (it worked fine
under Windows). I got the Broadcom working with FWCutter under CentOS,
but its speed was all over the place. The thing I've never been able
to get working in Linux Mint, is the hibernation. If I close the lid,
it locks, unless I "hibernate" it first. But the main thing I don't
like about Ubuntu/Mint is that each upgrade is an "adventure." Of
course, CentOS 6 won't work on my laptop (no PAE) but I've still got
CentOS 5.x for that. We'll see what issues it has on desktop. I'm
hoping that installing the proprietary Nvidia drivers won't be the
hassle they are under Linux Mint. Nouveau is getting better, but it's
still not good enough.

-- 
RonB -- Using CentOS 5.6
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Re: [CentOS] CentOS-6 Status updates

[Ron Blizzard]

On Tue, Jun 14, 2011 at 7:59 PM, Tom H  wrote:

> I wouldn't generalize based on your experience because Mint hasn't
> become a very popular distribution by being broken. Same goes for
> Ubuntu.

I don't have to generalize, I go to the forums and see all the issues
-- often the same issues I'm having when I upgrade. What's frustrating
about it is that, usually, there are no solutions. You often get the
same advice I used to get when running Windows... "upgrade your
hardware." I often wonder if these Ubuntu issues are why Linux hasn't
been more widely adopted on the Desktop. A lot of people come to Linux
via Ubuntu. If an upgrade kills the video driver -- or the sound quits
working -- or it doesn't even boot anymore, then their impression of
Ubuntu (which many equate with "Linux") is not going to be too good.
Ubuntu is cutting edge, kind of like Fedora. I don't use Fedora
because I prefer stability over cutting edge features. I choose CentOS
over Ubuntu/Mint for the same reason I chose it over Fedora several
years ago.

-- 
RonB -- Using CentOS 5.6
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