Re: [CentOS] PHP 5.2.x

[Piero]

Hi,

  I just installed GOSA using the PHP-5.2 from centOS testing:
cd /etc/yum.repos.d/
wget http://dev.centos.org/centos/5/CentOS-Testing.repo
yum --enablerepo=c5-testing check-update
yum --enablerepo=c5-testing update php
yum --enablerepo=c5-testing install php-mhash.x86_64
/etc/init.d/httpd restart

And then I used the packages from GOSA archives directly.

Hope this will help you!
Bye
Piero

2009/11/2 Craig White :
> On Mon, 2009-11-02 at 20:57 +0100, Alexander Dalloz wrote:
>> Craig White schrieb:
>> > I am trying to install GOsa and it seems to need PHP 5.2
> 
>> > Are there reliable repositories for PHP 5.2 for CentOS 5?
>> >
>> > Is there some way I can get this to build on CentOS 5?
>> >
>> > Craig
>>
>> Hi Craig :)
>>
>> The testing repo holds a 5.2.9 build
>>
>> http://dev.centos.org/centos/5/testing/x86_64/RPMS/
>>
>> Regards
> 
> thanks Alexander...I forgot about dev but looked in CentOS Plus. Maybe
> it's incumbent upon me to report back so it could possible move from Dev
> to Plus.
>
> Craig
>
>
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[CentOS] no valid partitiontables anymore

[Götz Reinicke - IT-Koordinator]

Hi,

recently I had to shut down an iscsi-raid an the connected servers.

After the reinstallation and changing the ip config to match our new lan
design, I can login to the iscsi device, the volumes are there and I can
establish an iscsi link to some volumes.

But, some other volumes on the iscsi device are reported with an invalid
partition table or that they can't be mounted.


e.g.:

fdisk -l /dev/sdf

Disk /dev/sdf: 53.6 GByte, 53687091200 Byte
64 heads, 32 sectors/track, 51200 cylinders
Einheiten = Zylinder von 2048 × 512 = 1048576 Bytes

   Gerät  boot. AnfangEnde Blöcke   Id  System
/dev/sdf1   1   5120052428784   83  Linux


fdisk -l /dev/sdf1

Disk /dev/sdf1: 53.6 GByte, 53687074816 Byte
64 heads, 32 sectors/track, 51199 cylinders
Einheiten = Zylinder von 2048 × 512 = 1048576 Bytes

Disk /dev/sdf1 doesn't contain a valid partition table


mount -t ext3 /dev/sdf1 /export/iscsi01-UDV1/

(lot of german information, e.g. wrong fs-type, damaged superblock ...)

mount: Falscher Dateisystemtyp, ungültige Optionen, der
   Superblock von /dev/sdf1 ist beschädigt, fehlende
   Kodierungsseite oder ein anderer Fehler
   Manchmal liefert das Syslog wertvolle Informationen – versuchen
   Sie  dmesg | tail  oder so


dmesg

... VFS: Can't find ext3 filesystem on dev sdf1.


But I'm sure, about using ext3. The error message is the same with
maount -t ext2 (for testing)

Any hint would make my happy


Thanks a lot an best regards,

Götz
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Re: [CentOS] anyone tried firefox 3.5 under centos 5.4

[Geerd-Dietger Hoffmann]

Hey

On Mon, Oct 26, 2009 at 2:07 PM, Janez Kosmrlj
 wrote:
> So you didn't have any problems on 5.3. I am more interested in those who
> had problems on 5.3.
> There where some problems with system stability with some graphic drivers.
> There was some workaround and I wanted to ask if someone tested if it is
> still necessary.

My X just crashed when I visited a few "special" pages. The Newsletter
page being one of them. But at the time (2 month ago) there was
apparently no way of getting it working so I gave up. I haven't tried
it recently though. Try it, maybe your card is not affected.

I used the mharris rpm ;)

Cheers Didi

>
> BR
> Janez
>
> On Mon, Oct 26, 2009 at 2:33 PM, Olaf Mueller 
> wrote:
>>
>> Janez Kosmrlj wrote:
>>
>> > anyone tried firefox 3.5 under centos 5.4
>> Yes, from www.mozilla.com, no rpm. Works great here since CentOS 5.3,
>> now 5.4.
>>
>>
>> regards
>> Olaf
>>
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[CentOS] Client backup solution with web interface

[Jussi Hirvi]

I have tried to google for this kind of application, but have not found.

There should be a web interface, where the client (person) could start 
an rsync backup of his/her workstation to a remote server (= the web 
server machine).

I need this because the client has a dynamic ip, so the ssh key 
authentication on the server never works un-interactively - because 
every time the cient ip has changed, and the script asks:
> The authenticity of host ##.##.##.## can't be established.
> RSA key fingerprint is ##.
> Are you sure you want to continue connecting (yes/no)?

Or could there be some other approach to this?

- Jussi

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Re: [CentOS] Client backup solution with web interface

[Stephen Harris]

On Thu, Nov 12, 2009 at 02:00:57PM +0200, Jussi Hirvi wrote:
> > The authenticity of host ##.##.##.## can't be established.
> > RSA key fingerprint is ##.
> > Are you sure you want to continue connecting (yes/no)?

This is ssh asking the question.  You can disable it; "man ssh_config"
for details.

-- 

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Re: [CentOS] Client backup solution with web interface

[Joseph L. Casale]

>I need this because the client has a dynamic ip, so the ssh key
>authentication on the server never works un-interactively - because
>every time the cient ip has changed, and the script asks:
>> The authenticity of host ##.##.##.## can't be established.
>> RSA key fingerprint is ##.
>> Are you sure you want to continue connecting (yes/no)?
>
>Or could there be some other approach to this?

Use the ssh StrictHostKeyChecking parameter...
jlc
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Re: [CentOS] Client backup solution with web interface

[Jussi Hirvi]

On 12.11.2009 14:20, Stephen Harris wrote:
> On Thu, Nov 12, 2009 at 02:00:57PM +0200, Jussi Hirvi wrote:
>>> The authenticity of host ##.##.##.## can't be established.
>>> RSA key fingerprint is ##.
>>> Are you sure you want to continue connecting (yes/no)?
> 
> This is ssh asking the question.  You can disable it; "man ssh_config"
> for details.
> 

Ok, thanks! (I confess I am lazy.) I found
> CheckHostIP
>  If this flag is set to "yes", ssh will additionally check the
>  host IP address in the known_hosts file.  This allows ssh to
>  detect if a host key changed due to DNS spoofing.  If the option
>  is set to "no", the check will not be executed.  The default is
>  "yes".

...and added to my backup script the following option:
ssh (..)  -o  CheckHostIP=no

This helps me some way.

But still another problem persists: the ip keeps changing. That is why I 
want the client (person) to start the script by a web interface. That 
way I could pick the ip up from the httpd log, or with some server-side 
script... Any ideas how to do this?

Regards,
Jussi

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Re: [CentOS] Client backup solution with web interface

[Paul Bijnens]

On 2009-11-12 13:39, Jussi Hirvi wrote:
> 
> But still another problem persists: the ip keeps changing. That is why I 
> want the client (person) to start the script by a web interface. That 
> way I could pick the ip up from the httpd log, or with some server-side 
> script... Any ideas how to do this?

There is "BackupPC" which does lots of other things, and also can use
rsync as backup and, moreover, has such button for the user in a web page:

  http://backuppc.sourceforge.net/BackupPCBackupSummary.html



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[CentOS] lvm and device nodes

[Götz Reinicke - IT-Koordinator]

Hi,

my iscsi volumes are all lvm created :-) But the server(s) dont have the
device nodes any more.

So how may I create tham again? Or ist there an lvm-tool (option) to do
this for me?

e.g. for:

--- Logical volume ---
  LV Name/dev/VGJBOD01/lvol0
  VG NameVGJBOD01
  LV UUIDIK35sK-bL9B-MeMv-2co6-XtOd-RCxK-lUpank
  LV Write Accessread/write
  LV Status  NOT available
  LV Size4,77 TB
  Current LE 1251375
  Segments   1
  Allocation inherit
  Read ahead sectors auto



Any hint would make my happy!


Thanks a lot an best regards,

Götz
-- 
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IT-Koordinator

Tel. +49 7141 969 420
Fax  +49 7141 969 55 420
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Re: [CentOS] lvm and device nodes

[Karanbir Singh]

On 11/12/2009 12:47 PM, Götz Reinicke - IT-Koordinator wrote:
> my iscsi volumes are all lvm created :-) But the server(s) dont have the
> device nodes any more.

once the blockdev is visible to the os:

vgchange -ay

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Re: [CentOS] no valid partitiontables anymore

[nate]

Götz Reinicke - IT-Koordinator wrote:

> fdisk -l /dev/sdf1

This is invalid, you don't run fdisk against a partition only
against a device, in this case /dev/sdf


> (lot of german information, e.g. wrong fs-type, damaged superblock ...)

Are you sure that device is an ext3 file system? Try e2fsck on
it?

nate

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Re: [CentOS] Client backup solution with web interface

[Jussi Hirvi]

On 12.11.2009 14:44, Paul Bijnens wrote:
> There is "BackupPC" which does lots of other things, and also can use
> rsync as backup and, moreover, has such button for the user in a web page:
> 
>   http://backuppc.sourceforge.net/BackupPCBackupSummary.html

Thanks Paul, that looks like exactly what I was looking for. I will give 
that a test!

Regards,
Jussi

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Re: [CentOS] lvm and device nodes

[nate]

Karanbir Singh wrote:
> On 11/12/2009 12:47 PM, Götz Reinicke - IT-Koordinator wrote:
>> my iscsi volumes are all lvm created :-) But the server(s) dont have the
>> device nodes any more.
>
> once the blockdev is visible to the os:
>
> vgchange -ay

You me lvchange -ay ?

What I do is vgimport then lvchange -ay

Here's the init script I use to mount SAN LVM volumes -

http://portal.aphroland.org/~aphro/mount_san.init

Back from RHEL 4.x days when it didn't support iSCSI for mounting
at boot, I still use it even now since it works, so have no reason
to change.

nate

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[CentOS] OMG! Microsoft patents sudo! Linux and MacOS dead!

[francis mendoza]

http://blogs.computerworld.com/15082/omg_microsoft_patents_sudo_linux_and_macos_dead?source=CTWNLE_nlt_dailyam_2009-11-12

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Re: [CentOS] OMG! Microsoft patents sudo! Linux and MacOS dead!

[Robert Heller]

At Thu, 12 Nov 2009 21:07:15 +0800 CentOS mailing list  
wrote:

> 
> 
> 
> http://blogs.computerworld.com/15082/omg_microsoft_patents_sudo_linux_and_macos_dead?source=CTWNLE_nlt_dailyam_2009-11-12


Is this for real?  Blogs.computerworld.com seems to be down/dead/broken
database...


> 

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Re: [CentOS] OMG! Microsoft patents sudo! Linux and MacOS dead!

[James Bensley]

Worked for me, see http://downforeveryoneorjustme.com/

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James ;)

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Re: [CentOS] OMG! Microsoft patents sudo! Linux and MacOS dead!

[Akemi Yagi]

On Thu, Nov 12, 2009 at 5:27 AM, Robert Heller  wrote:
> At Thu, 12 Nov 2009 21:07:15 +0800 CentOS mailing list  
> wrote:

>> http://blogs.computerworld.com/15082/omg_microsoft_patents_sudo_linux_and_macos_dead?source=CTWNLE_nlt_dailyam_2009-11-12
>
>
> Is this for real?  Blogs.computerworld.com seems to be down/dead/broken
> database...

Try Groklaw:

http://www.groklaw.net/article.php?story=2009094923390


Akemi
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Re: [CentOS] OMG! Microsoft patents sudo! Linux and MacOS dead!

[Robert]

Akemi Yagi wrote:
> On Thu, Nov 12, 2009 at 5:27 AM, Robert Heller  wrote:
>   
>> At Thu, 12 Nov 2009 21:07:15 +0800 CentOS mailing list  
>> wrote:
>> 
>
>   
>>> http://blogs.computerworld.com/15082/omg_microsoft_patents_sudo_linux_and_macos_dead?source=CTWNLE_nlt_dailyam_2009-11-12
>>>   
>> Is this for real?  Blogs.computerworld.com seems to be down/dead/broken
>> database...
>> 
>
> Try Groklaw:
>
> http://www.groklaw.net/article.php?story=2009094923390
>   
Yes.  With respect to those luminaries at the U.S. Patent Office, this 
is just one more justification for my core observation on public servants:
"The primary purpose of any government entity is to employ the 
unemployable".
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Re: [CentOS] lvm and device nodes

[Karanbir Singh]

On 11/12/2009 01:03 PM, nate wrote:
>> vgchange -ay
> You me lvchange -ay ?

no, I mean 'vgchange -ay'. That will do whatever is needed to bring the 
/dev/mapper/ up and ensure the kernel is aware of them.

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Re: [CentOS] OMG! Microsoft patents sudo! Linux and MacOS dead!

[m . roth]

> At Thu, 12 Nov 2009 21:07:15 +0800 CentOS mailing list 
> wrote:
>
>> http://blogs.computerworld.com/15082/omg_microsoft_patents_sudo_linux_and_macos_dead?source=CTWNLE_nlt_dailyam_2009-11-12
>
> Is this for real?  Blogs.computerworld.com seems to be down/dead/broken
> database...

And the other admin I work with just mentioned that he's occasionally used
gksu and gssudo for at least four years

mark

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Re: [CentOS] OMG! Microsoft patents sudo! Linux and MacOS dead!

[m . roth]

> Akemi Yagi wrote:
>> On Thu, Nov 12, 2009 at 5:27 AM, Robert Heller 
>> wrote:
>>
>>> At Thu, 12 Nov 2009 21:07:15 +0800 CentOS mailing list
>>>  wrote:

 http://blogs.computerworld.com/15082/omg_microsoft_patents_sudo_linux_and_macos_dead?source=CTWNLE_nlt_dailyam_2009-11-12

>>> Is this for real?  Blogs.computerworld.com seems to be down/dead/broken
>>> database...
>>>
>> Try Groklaw:
>>
>> http://www.groklaw.net/article.php?story=2009094923390
>>
> Yes.  With respect to those luminaries at the U.S. Patent Office, this
> is just one more justification for my core observation on public servants:
> "The primary purpose of any government entity is to employ the
> unemployable".

As opposed to some people at some companies I've worked for?

No, who pushed software patents in the first place? Who PAID legislators
to write the laws to allow them, and who got people appointed who wanted
them?

I'll respond with the primary purpose of modern American business is to
empty your wallet, not to provide goods or services.

 mark

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Re: [CentOS] lvm and device nodes

[Götz Reinicke - IT-Koordinator]

Karanbir Singh schrieb:
> On 11/12/2009 12:47 PM, Götz Reinicke - IT-Koordinator wrote:
>> my iscsi volumes are all lvm created :-) But the server(s) dont have the
>> device nodes any more.
> 
> once the blockdev is visible to the os:
> 
> vgchange -ay
> 


Thanks a lot and a thousand kotaus to you. You saved my day!

I'm back online ...

Cheers,

Götz

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Re: [CentOS] no valid partitiontables anymore - solved

[Götz Reinicke - IT-Koordinator]

nate schrieb:
> Götz Reinicke - IT-Koordinator wrote:
> 
>> fdisk -l /dev/sdf1
> 
> This is invalid, you don't run fdisk against a partition only
> against a device, in this case /dev/sdf
> 
> 
>> (lot of german information, e.g. wrong fs-type, damaged superblock ...)
> 
> Are you sure that device is an ext3 file system? Try e2fsck on
> it?

Hi,

thanks, the problem was that de volumes where managed by lvm ... see my
other posting :-)


Regards,

Götz
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Re: [CentOS] OMG! Microsoft patents sudo! Linux and MacOS dead!

[Paul Bijnens]

On 2009-11-12 14:55, Robert wrote:
> 
> Akemi Yagi wrote:
>> On Thu, Nov 12, 2009 at 5:27 AM, Robert Heller  wrote:
>>   
>>> At Thu, 12 Nov 2009 21:07:15 +0800 CentOS mailing list  
>>> wrote:
>>> 
>>   
 http://blogs.computerworld.com/15082/omg_microsoft_patents_sudo_linux_and_macos_dead?source=CTWNLE_nlt_dailyam_2009-11-12
   
>>> Is this for real?  Blogs.computerworld.com seems to be down/dead/broken
>>> database...
>>> 
>> Try Groklaw:
>>
>> http://www.groklaw.net/article.php?story=2009094923390

Do I have a deja-vu?  Somewere 2 years ago, there was a similar discussion,
like:

  http://boycottnovell.com/2007/05/04/sudo-patent/

Just curious how such an "old" news item can suddenly be hot again,
as if it happened yesterday?


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* quit, ZZ, :q, :q!, M-Z, ^X^C, logoff, logout, close, bye, /bye, ~., *
* stop, end, ^]c, +++ ATH, disconnect,  halt,  abort,  hangup,  KJOB, *
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Re: [CentOS] no valid partitiontables anymore - solved

[nate]

Götz Reinicke - IT-Koordinator wrote:

> thanks, the problem was that de volumes where managed by lvm ... see my
> other posting :-)

You should change their partition type to 8e so you don't
get confused in the future.

nate

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[CentOS] please suggest reading on Linux memory management

[Alan McKay]

Hey folks,

This is sort of a follow up to my email yesterday about memory leaks.
 I'd found some really good reading material in my hour or so of
googling prior to sending that email.  Wondering if anyone can
recommend good reading on the topic - including raw facts like this
jackpot I seem to have hit upon (
http://www.kernel.org/doc/gorman/html/understand/ ), as well as
articles on troubleshooting techniques and so forth.

thanks,
-Alan

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Re: [CentOS] Problem when opening files after installing OpenOffice 3.1 on CentOS 5.4

[Mathieu Baudier]

I did some tests today:
- removed/reinstalled OO 3.1 from RPM => did not solve the problem
- updated /usr/share/applications/defaults.list as per Janez advice =>
did not solve the problem

Interestingly I have this issue with ODT files but not with ODS
(spreadsheets) files.

I'll keep digging  (maybe on a clean virtualized install) and let know
here (any ideas still welcome!)
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Re: [CentOS] please suggest reading on Linux memory management

[Kwan Lowe]

On Thu, Nov 12, 2009 at 11:39 AM, Alan McKay  wrote:
> Hey folks,
>
> This is sort of a follow up to my email yesterday about memory leaks.
>  I'd found some really good reading material in my hour or so of
> googling prior to sending that email.  Wondering if anyone can
> recommend good reading on the topic - including raw facts like this
> jackpot I seem to have hit upon (
> http://www.kernel.org/doc/gorman/html/understand/ ), as well as
> articles on troubleshooting techniques and so forth.

There is some very good documentation on the IBM Developerworks site.
For example:

http://www.ibm.com/developerworks/linux/library/j-nativememory-linux/index.html?ca=drs-
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[CentOS] CentOS Beer event in Berlin

[Geerd-Dietger Hoffmann]

Hey

So after quite a few people want to attend here the official data.
There will be a CentOS Beer event in a bar called Aufsturz [1] in
Berlin Mitte on the 22nd of Nov. I will reserve a table for us. They
do nice food too, I remebember :) I will be bringing CentOS promo
stuff like sticker, flyer and T-Shirts. It would help if you could
email me your size if you want one. So :

CentOS Beer event Berlin
Date :  Sunday, Nov 22, 2009
Time : 18.00 +
Location : Oranienburger Str. 67 D-10117 Berlin-Mitte [2]

Please invite people you know and bring friends. The "C" in CentOS is
for community and there is no better way to discuss geek related stuff
as over a nice pint of German brew.

Liebe Gruesse Didi

P.S. You can find my contact details under [3]

[1] http://www.aufsturz.de/

[2] 
http://maps.google.co.uk/maps?oe=utf-8&client=firefox-a&ie=UTF8&q=aufsturz+berlin&fb=1&gl=uk&hq=aufsturz&hnear=berlin&cid=0,0,6553407518381920646&ei=TEP8SqG_F4y14Qa9zcXTAw&ved=0CAgQnwIwAA&t=h&z=16&iwloc=A

[3] http://www.ribalba.de/pmwiki/pmwiki.php?n=Site.ContactMe


My www page: www.ribalba.de
Email / Jabber: riba...@gmail.com
Skype : ribalba
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[CentOS] EMERGENCY: Server Crash

[Victor Subervi]

Hi;
I went to install some s/w and it looked like there was a problem with
openssl. So I decided to uninstall it (yum remove) and reinstall it. When I
went to reinstall, I discovered I couldn't use yum. Then I discovered:

[r...@13gems qmail-1.03]# yum install openssl
-bash: /usr/bin/yum: No such file or directory
[r...@13gems qmail-1.03]# man yum
Floating point exception
[r...@13gems qmail-1.03]# cd /
[r...@13gems /]# mkdir yum
mkdir: error while loading shared libraries: libselinux.so.1: cannot open
shared object file: No such file or directory
[r...@13gems /]# wget
http://linux.duke.edu/projects/yum/download/2.0/yum-2.0.7.tar.gz
-bash: /usr/bin/wget: No such file or directory
[r...@13gems /]# ls /usr/bin/
ls: error while loading shared libraries: libselinux.so.1: cannot open
shared object file: No such file or directory
[r...@13gems /]#
[r...@13gems /]# python
-bash: python: command not found
Please advise ASAP!
Victor
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Re: [CentOS] EMERGENCY: Server Crash

[Karanbir Singh]

On 11/12/2009 05:40 PM, Victor Subervi wrote:
> [r...@13gems /]# python
> -bash: python: command not found
> Please advise ASAP!

Reading whats on the screen and checking the list before you confirm : 
NOT optional.

You need to get syslog's track for yum's operations  - find out what was 
taken out, then get to http://mirror.centos.org/centos/ and get the 
basic rpms yourself ( if rpm works )


-- 
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London, UK| http://www.karan.org/ | twitter.com/kbsingh
ICQ: 2522219  | Yahoo IM: z00dax  | Gtalk: z00dax
GnuPG Key : http://www.karan.org/publickey.asc
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Re: [CentOS] EMERGENCY: Server Crash

[Bernard Lheureux]

Victor Subervi wrote:
shutdown -fr now
To force a FSCK while the machine will reboot... seems like a disk error...
> Hi;
> I went to install some s/w and it looked like there was a problem with 
> openssl. So I decided to uninstall it (yum remove) and reinstall it. 
> When I went to reinstall, I discovered I couldn't use yum. Then I 
> discovered:
>  
> [r...@13gems qmail-1.03]# yum install openssl
> -bash: /usr/bin/yum: No such file or directory
> [r...@13gems qmail-1.03]# man yum
> Floating point exception
> [r...@13gems qmail-1.03]# cd /
> [r...@13gems /]# mkdir yum
> mkdir: error while loading shared libraries: libselinux.so.1: cannot 
> open shared object file: No such file or directory
> [r...@13gems /]# wget 
> http://linux.duke.edu/projects/yum/download/2.0/yum-2.0.7.tar.gz
> -bash: /usr/bin/wget: No such file or directory
> [r...@13gems /]# ls /usr/bin/
> ls: error while loading shared libraries: libselinux.so.1: cannot open 
> shared object file: No such file or directory
> [r...@13gems /]#
> [r...@13gems /]# python
> -bash: python: command not found
> Please advise ASAP!
> Victor
> 
>
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Re: [CentOS] EMERGENCY: Server Crash

[m . roth]

> Hi;
> I went to install some s/w and it looked like there was a problem with
> openssl. So I decided to uninstall it (yum remove) and reinstall it. When
> I went to reinstall, I discovered I couldn't use yum. Then I discovered:

I believe yum uses ssl, and it is, of course, trying to get it all over
the network.

Time to walk in with a CD or DVD and do an rpm install from that, all of
them.

mark

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Re: [CentOS] EMERGENCY: Server Crash

[Kwan Lowe]

On Thu, Nov 12, 2009 at 12:40 PM, Victor Subervi
 wrote:
> Hi;
> I went to install some s/w and it looked like there was a problem with
> openssl. So I decided to uninstall it (yum remove) and reinstall it. When I
> went to reinstall, I discovered I couldn't use yum. Then I discovered:

Oh my.
You do realize that a "yum erase" will gladly remove packages
dependent on that package?  On my system, "yum erase openssl" will
remove 433 other packages.

Easiest thing may be to grab the install media and manually install
the yum package, then use yum to re-install the rest.
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Re: [CentOS] EMERGENCY: Server Crash

[Victor Subervi]

k. Thanks.
V

On Thu, Nov 12, 2009 at 12:49 PM,  wrote:

> > Hi;
> > I went to install some s/w and it looked like there was a problem with
> > openssl. So I decided to uninstall it (yum remove) and reinstall it. When
> > I went to reinstall, I discovered I couldn't use yum. Then I discovered:
> 
> I believe yum uses ssl, and it is, of course, trying to get it all over
> the network.
>
> Time to walk in with a CD or DVD and do an rpm install from that, all of
> them.
>
>mark
>
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Re: [CentOS] EMERGENCY: Server Crash

[Gabriel - IP Guys]

Great thing about lurking in lists, is that you learn stuff! I wanted to
know how to remove every dreaded package that had been installed when an
intern/idiot decided to install x on a remote server - now I know yum
erase should do the trick!

> Oh my.
> You do realize that a "yum erase" will gladly remove packages
> dependent on that package?  On my system, "yum erase openssl" will
> remove 433 other packages.

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Re: [CentOS] EMERGENCY: Server Crash

[m . roth]

> Great thing about lurking in lists, is that you learn stuff! I wanted to
> know how to remove every dreaded package that had been installed when an
> intern/idiot decided to install x on a remote server - now I know yum
> erase should do the trick!
>
>> Oh my.
>> You do realize that a "yum erase" will gladly remove packages
>> dependent on that package?  On my system, "yum erase openssl" will
>> remove 433 other packages.

Watch yourself, though - do a listing of what it *would* erase, and go
through that first. There are some packages that I've recently noticed
that arent' gui-based, but have them as dependencies, for some thoughtless
and stupid reason.

   mark

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Re: [CentOS] software raid :: kernel update procedure

[Adrian Sevcenco]

Lucian @ lastdot.org wrote:

On Wed, Nov 11, 2009 at 11:50 AM, Adrian Sevcenco
 wrote:

Lucian @ lastdot.org wrote:

On Wed, Nov 11, 2009 at 11:03 AM, Adrian Sevcenco
 wrote:

Hi! I have an software raid installation (md_dX type) and i am wondering
what is the procedure for kernel update... is the initrd auto-magicaly
rebuild?

Thank you,
Adrian



Yep, as long as you are using the stock kernels, you should be safe. I
use linux raid a lot and haven't had a problem. Just yum update and
you're ready to go (if you upgrade from/to minor version be sure to
read the release notes and erratas).

Thanks! Yes i am using the stock kernels and i asked because i use an
modified mkinitrd (for raid md_dX type suport) and wanted to be sure
that initrd is rebuilt at kernel update time.

Thanks,
Adrian




Ouch, the fact that you were using a modified initrd was not obvious
to me from your 1st post.
I dont know if centos does this automatically for you. Maybe it's
safer to create a new mkinitrd after the kernel has installed.
Now i can say that the kernel update recreate at install/update time the 
initrd so i didn't had any king of problem with this. (of course, having 
an modified mkinitrd i have in yum.conf :: exclude=mkinitrd*)


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[CentOS] kernel error

[Helmut Drodofsky]

Hi,

 

yesterday there was obviously a problem in one virtual server. 

 

Host centos 

uname -rm: 2.6.18-128.1.6.el5 x86_64

 

Guest: centos

uname -rm: 2.6.18-128.4.1.el5 x86_64

 

Vmware server : VMware-server-2.0.1-156745.x86_64.rpm

 

Logwatch in guest:

 - Kernel Begin  

 

 WARNING:  Kernel Errors Present

 [] error_exit+0x0/0x84 ...:  3 Time(s)

 

 -- Kernel End - 

 

Any ideas? Hardware problem? How can I check hardware?

 

 

 

The only message I found is from mysqld:

Number of processes running now: 0

09 12:29:05  mysqld restarted

09 12:29:07  InnoDB: Database was not shut down normally!

InnoDB: Starting crash recovery.

InnoDB: Reading tablespace information from the .ibd files...

InnoDB: Restoring possible half-written data pages from the doublewrite

InnoDB: buffer...

09 12:29:08  InnoDB: Starting log scan based on checkpoint at

InnoDB: log sequence number 0 100423936.

InnoDB: Doing recovery: scanned up to log sequence number 0 100423936

09 12:29:09  InnoDB: Started; log sequence number 0 100423936

09 12:29:09 [Note] /usr/libexec/mysqld: ready for connections.

Version: '5.0.45'  socket: '/var/lib/mysql/mysql.sock'  port: 3306
Source distribution

 

Best regards

Helmut

 

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Re: [CentOS] kernel error

[nate]

Helmut Drodofsky wrote:
> Hi,
>
>
>
> yesterday there was obviously a problem in one virtual server.

What problem? did the guest crash? did it reboot? What happened?

Have you checked the vmware logs?(in the same directory as the
guest data files)

Check 'dmesg' on the host for any hints of what is going on?

Check the logs on the host?

Any other guest VMs on the same host? Any of them experience
anything? Check their logs during the same time frame that
the one guest had issues for signs of problems?

nate


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[CentOS] Installing libssl-dev

[Victor Subervi]

Hi;
I can't "yum install libssl-dev" because apparently it doesn't exist. Please
advise.
TIA,
Victor
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Re: [CentOS] Installing libssl-dev

[Alan Sparks]

Victor Subervi wrote:
> Hi;
> I can't "yum install libssl-dev" because apparently it doesn't exist.
> Please advise.
> TIA,
> Victor

You probably want "openssl-devel".
-Alan

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Re: [CentOS] please suggest reading on Linux memory management

[Alan McKay]

> There is some very good documentation on the IBM Developerworks site.

Yeah, there are a few more good links I found from IBM - I'm at home
now and have them bookmarked at work.  I'll forward them along when I
am back at work (probably not til next week) for the interest of
anyone else following this thread.


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 - Michael Pollan, author of "In Defense of Food"
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Re: [CentOS] EMERGENCY: Server Crash

[Robert Heller]

At Thu, 12 Nov 2009 18:05:53 - CentOS mailing list  
wrote:

> 
> Great thing about lurking in lists, is that you learn stuff! I wanted to
> know how to remove every dreaded package that had been installed when an
> intern/idiot decided to install x on a remote server - now I know yum
> erase should do the trick!

But you of course should be *careful*.  Erase the wrong thing and all
hell breaks loose...

> 
> > Oh my.
> > You do realize that a "yum erase" will gladly remove packages
> > dependent on that package?  On my system, "yum erase openssl" will
> > remove 433 other packages.
> 
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>

-- 
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Deepwoods Software-- Download the Model Railroad System
http://www.deepsoft.com/  -- Binaries for Linux and MS-Windows
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Re: [CentOS] Installing libssl-dev

[Robert Heller]

At Thu, 12 Nov 2009 14:22:56 -0500 CentOS mailing list  
wrote:

> 
> 
> 
> Hi;
> I can't "yum install libssl-dev" because apparently it doesn't exist. Please

Did you try openssl-devel?

sauron.deepsoft.com% yum info openssl-devel
Setting up repositories
Reading repository metadata in from local files
Excluding Packages in global exclude list
Finished
Reducing CentOS-4 - Plus to included packages only
Finished
Installed Packages
Name   : openssl-devel
Arch   : i386
Version: 0.9.7a
Release: 43.17.el4_7.2
Size   : 3.6 M
Repo   : installed
Summary: Files for development of applications which will use OpenSSL.

Description:
 OpenSSL is a toolkit for supporting cryptography. The openssl-devel
package contains static libraries and include files needed to develop
applications which support various cryptographic algorithms and
protocols.

BTW: RedHat uses '-devel' for development packages.  I believe Debian (et
al.) uses '-dev' for development packages.

> advise.
> TIA,
> Victor
> 
> MIME-Version: 1.0
> 
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>   

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Re: [CentOS] Installing libssl-dev

[Victor Subervi]

Thanks.
V

On Thu, Nov 12, 2009 at 2:41 PM, Robert Heller  wrote:

> At Thu, 12 Nov 2009 14:22:56 -0500 CentOS mailing list 
> wrote:
>
> >
> >
> >
> > Hi;
> > I can't "yum install libssl-dev" because apparently it doesn't exist.
> Please
>
> Did you try openssl-devel?
>
> sauron.deepsoft.com% yum info openssl-devel
> Setting up repositories
> Reading repository metadata in from local files
> Excluding Packages in global exclude list
> Finished
> Reducing CentOS-4 - Plus to included packages only
> Finished
> Installed Packages
> Name   : openssl-devel
> Arch   : i386
> Version: 0.9.7a
> Release: 43.17.el4_7.2
> Size   : 3.6 M
> Repo   : installed
> Summary: Files for development of applications which will use OpenSSL.
>
> Description:
>  OpenSSL is a toolkit for supporting cryptography. The openssl-devel
> package contains static libraries and include files needed to develop
> applications which support various cryptographic algorithms and
> protocols.
>
> BTW: RedHat uses '-devel' for development packages.  I believe Debian (et
> al.) uses '-dev' for development packages.
>
> > advise.
> > TIA,
> > Victor
> >
> > MIME-Version: 1.0
> >
> > ___
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> > CentOS@centos.org
> > http://lists.centos.org/mailman/listinfo/centos
> >
> >
>
> --
> Robert Heller -- 978-544-6933
> Deepwoods Software-- Download the Model Railroad System
> http://www.deepsoft.com/  -- Binaries for Linux and MS-Windows
> hel...@deepsoft.com   -- http://www.deepsoft.com/ModelRailroadSystem/
>
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[CentOS] Stop K3B CDDB Popup

[MIKE - EMAIL IGNORED]

On CentOS 5.4 I just installed K3B to write some
CDs.  Now every time I used a CD, I get a popup
that asks me to "Select a CDDB entry ...".
How can I stop this popup?

Thanks,
Mike,

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Re: [CentOS] Installing libssl-dev

[Tait Clarridge]

On Thu, 2009-11-12 at 14:49 -0500, Victor Subervi wrote:
> Thanks.
> V

yum list '*ssl*'

Gives you a list of packages with ssl in the name.. just go through them
and yum info on ones that have "dev" or "devel" at the end to find what
you are looking for.


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[CentOS] problem with stable version of roundcubemail contained in the depot Karanbir Singh

[fake...@fakessh.eu]

Hi all
Hi list


my linux box is CentOS 5.4
it is properly updated
I use the [r...@r13151 ~]# rpm -qa | grep roundcubemail
roundcubemail-0.2.1-1.el5.kb
[r...@r13151 ~]# 
 roundcubemail , which is contained 
in the deposit karanbir singh
I preferred to continue using the version contained in the official (depot 
karanbir singh its offcial repositories yes or not )
repositories of CentOS

I use postgresql
This is correctly configured as described in the INSTALL file

I use the standard PHP of Jason's Utter Ramblings Repo (http://fakessh.eu/ it 
is the 
phpinfo(); page )

my problem is that
 I see appear the login page (http://fakessh.eu/roundcubemail )
I enter all data but I do not 
understand why I can not fit into the webmail
the logs directory is empty

when I use the url  
http://fakessh.eu/roundcubemail/?_task=&_action=login 
with the correct username and the correct password, 
the page shows me an authentication error

when I use the url 
http://fakessh.eu/roundcubemail 
with the correct username and the correct password, the page tells me no 
errors

thanks for all your feedback
SL
nb : 'Buddha' peace themselve
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Re: [CentOS] Installing libssl-dev

[Victor Subervi]

Thanks.
V

On Thu, Nov 12, 2009 at 3:29 PM, Tait Clarridge  wrote:

> On Thu, 2009-11-12 at 14:49 -0500, Victor Subervi wrote:
> > Thanks.
> > V
>
> yum list '*ssl*'
>
> Gives you a list of packages with ssl in the name.. just go through them
> and yum info on ones that have "dev" or "devel" at the end to find what
> you are looking for.
>
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[CentOS] How well does CentOS 5.4 support Arabic language and I can writing Arabic script from a standard keyboard?

[Clint Dilks]

Hello,

I have just had a request from a user who wants to have Arabic Language 
Support and to be able write Arabic script from a US English.  Is this 
fully supported in CentOS?

The user is convinced that he needs a newer version on gnome based on 
this post
http://library.gnome.org/misc/release-notes/2.28/#rndevelopers.epiphany

But I am going to try installing a system with Arabic Language Support 
and see how it goes.  Would anyone using Arabic recommend using SCIM?

Thanks for any advice you can offer
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[CentOS] kernel not booting after update

[Spiro Harvey]

Hi all,

I'm having a strange problem in which a certain box won't boot
any kernel newer than 2.6.18-53.

I have a kickstart setup that installs a CentOS 5.1 base (which comes
with kernel 2.6.18-53), and then I do a "yum update" to 5.3. 

However, when 2.6.18-164 gets installed, the box is rebooted, and it
dumps me in a grub prompt. If I manually enter root, kernel, initrd and
boot commands and point it at the -164 kernel, I am given "Error 13:
invalid or unsupported executable format."

But I can manually enter the -53 kernel and that boots fine.

I tried backing down to the -128 and same problem.

(all our updates come from our own mirrored repos and we only sync i386
directories)

I enabled the menu and selected -164, and it gave me Error 13 the first
time, and subsequent selects of the menu item resulted in Error 15:
File not found.

Now all of the above was with a separate /boot partition.

Box is a dual core Xeon (E8500) with hardware SATA RAID on board.

I'm pretty sure the old boxes were the same spec (but I don't have them
onsite so can't verify that) and they successfully booted the -128
kernel. 

I've since rebuilt it with a single / partition. I then did all the
updates, and updated my grub.conf to the following:


default=0
timeout=5
splashimage=(hd0,0)/boot/grub/splash.xpm.gz
#hiddenmenu
title CentOS (2.6.18-53.el5)
root (hd0,0)
kernel /boot/vmlinuz-2.6.18-53.el5 ro root=LABEL=/
initrd /boot/initrd-2.6.18-53.el5.img
title CentOS (2.6.18-164.el5)
root (hd0,0)
kernel /boot/vmlinuz-2.6.18-164.el5 ro root=LABEL=/
initrd /boot/initrd-2.6.18-164.el5.img

The menu came up but only showed the -53 option.

The most common answer I seem to find with Grub's Error 13 is that a
different architecture kernel was installed, but they're all the same;
ie; i686 kernel from i386 repo.


[r...@dhcp-248 boot]# file vmlinuz-2.6.18-53.el5 
vmlinuz-2.6.18-53.el5: ELF 32-bit LSB shared object, Intel 80386, version 1, 
stripped
[r...@dhcp-248 boot]# file vmlinuz-2.6.18-164.el5 
vmlinuz-2.6.18-164.el5: ELF 32-bit LSB shared object, Intel 80386, version 1, 
stripped


current running kernel is:

Linux dhcp-248.off.knossos.net.nz 2.6.18-53.el5 #1 SMP Mon Nov 12 02:22:48 EST 
2007 i686 i686 i386 GNU/Linux

[r...@dhcp-248 ~]# rpm -qa | grep kernel
kernel-2.6.18-53.el5
kernel-2.6.18-164.el5
[r...@dhcp-248 ~]# yum list kernel*
Loaded plugins: fastestmirror
Determining fastest mirrors
knl-base   2508/2508
knl-gen42/42
knl-updates528/528
Installed Packages
kernel.i686   2.6.18-53.el5 
   installed  
kernel.i686   2.6.18-164.el5
   installed  
Available Packages
kernel-PAE.i686   2.6.18-164.el5
   knl-updates
kernel-PAE-devel.i686 2.6.18-164.el5
   knl-updates
kernel-debug.i686 2.6.18-164.el5
   knl-updates
kernel-debug-devel.i686   2.6.18-164.el5
   knl-updates
kernel-devel.i686 2.6.18-164.el5
   knl-updates
kernel-doc.noarch 2.6.18-164.el5
   knl-updates
kernel-headers.i386   2.6.18-164.el5
   knl-updates
kernel-xen.i686   2.6.18-164.el5
   knl-updates
kernel-xen-devel.i686
2.6.18-164.el5   knl-updates

[r...@dhcp-248 ~]# cat /etc/fstab 
LABEL=/ /   ext3defaults1 1
tmpfs   /dev/shmtmpfs   defaults0 0
devpts  /dev/ptsdevpts  gid=5,mode=620  0 0
sysfs   /syssysfs   defaults0 0
proc/proc   procdefaults0 0
LABEL=SWAP-isw_dgcfec   swapswapdefaults0 0
[r...@dhcp-248 ~]# fdisk -l

Disk /dev/sda: 251.0 GB, 251059544064 bytes
255 heads, 63 sectors/track, 30522 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot  Start End  Blocks   Id  System
/dev/sda1   *   1   30391   244115676   83  Linux
/dev/sda2   30392   30522 1052257+  82  Linux swap / Solaris

Disk /dev/sdb: 251.0 GB, 251059544064 bytes
255 heads, 63 sectors/track, 30522 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot  Start End  Blocks   Id  System
/dev/sdb1   *   1   30391   244115676   83  Linux
/dev/sdb2   30392   30522 1052257+

Re: [CentOS] software raid :: kernel update procedure

[Philip Gwyn]

On 11-Nov-2009 Adrian Sevcenco wrote:
> Hi! I have an software raid installation (md_dX type) and i am wondering
> what is the procedure for kernel update... is the initrd auto-magicaly
> rebuild?

Yes.  As part of kernel.rpm 's postinstall script.

You can verify the initrd by looking at /boot/initrd-2.6.X-X.img (roughly):

gzip -dc initrd.img > /tmp/temp.img
mount -o loop /tmp/temp.img /mnt
cat /mnt/init
umount /mnt

-Philip

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Re: [CentOS] kernel not booting after update

[John R Pierce]

Spiro Harvey wrote:
> Box is a dual core Xeon (E8500) with hardware SATA RAID on board.
>   


The E8500 is a desktop Core2Duo CPU, I thought? 'what sort of 
Hardware SATA RAID?  Do you mean, Intel Matrix Raid?  thats not actually 
hardware, thats BIOS/driver implemented fake raid, and frankly, you'd be 
better off using native linux mdraid.

Or did you mean the older E8500 server chipset, for the Xeon MP 70x0 or 
71x0 series (p4 prescott based) CPUs in a server with proper onboard 
raid such as a HP SmartArray or Dell PERC ?

If this latter, never mind what I said above...needless to say, 
these part numbers can be very confusing.








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Re: [CentOS] kernel not booting after update

[Spiro Harvey]

John R Pierce  wrote:

> The E8500 is a desktop Core2Duo CPU, I thought? 'what sort of 

Yes, my mistake. It's a Core 2 Duo. 

I don't know where I saw the Xeon sticker. I saw the E8500
on /proc/cpuinfo but didn't RTFS properly. :/ This was further confused
when I googled E8500 and one of the hits mentioned Xeon...

The raid is indeed an Intel Matrix RAID. The BIOS is configured so that
the sata controller is in RAID mode, and the "OPROM" is set to Matrix
Raid.



-- 
Spiro Harvey  Knossos Networks Ltd
021-295-1923  www.knossos.net.nz


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Re: [CentOS] kernel not booting after update

[John R Pierce]

> The raid is indeed an Intel Matrix RAID. The BIOS is configured so that
> the sata controller is in RAID mode, and the "OPROM" is set to Matrix
> Raid.
>   

I would backup ALL your file systems off that disk, perhaps using a 
Linux rescue CD, then configure the controller in the BIOS for JBOD, use 
a rescue disk to build mdraid partitions, and restore your files from 
the backups.   you may have to rebuild the /boot/initrd on the system to 
dump the fakeraid (dmraid) driver and enable the mdraid native linux 
raid driver

Fake Raid like Intel Matrix Raid is NOT recommended for linux/unix systems
http://thebs413.blogspot.com/2005/09/fake-raid-fraid-sucks-even-more-at.html


someone's procedure for undoing a fakeraid.
http://www.brandonchecketts.com/archives/disabling-dmraid-fakeraid-on-centos-5

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Re: [CentOS] kernel not booting after update

[Spiro Harvey]

> I would backup ALL your file systems off that disk, perhaps using a 

This is a fresh install, so that's not an issue.

> Linux rescue CD, then configure the controller in the BIOS for JBOD,
> use a rescue disk to build mdraid partitions, and restore your files
> from the backups.   you may have to rebuild the /boot/initrd on the
> system to dump the fakeraid (dmraid) driver and enable the mdraid
> native linux raid driver

I'm interested in knowing why the machine isn't booting some kernels,
but will happily boot another. I figure if it's a hardware issue, then
it should be an all-or-nothing issue? I'm positive this is the same
spec as the last servers built for this same purpose, but the others
are now on the other side of the country, so I can't access them to
verify.

So assuming the hardware is exactly the same, and assuming there's
something in the -164 kernel that doesn't like that particular fake
raid card, then I still can't see why I can't boot the -128 kernel as
that's what the other boxes have running. :/


-- 
Spiro Harvey  Knossos Networks Ltd
021-295-1923  www.knossos.net.nz


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Re: [CentOS] kernel not booting after update

[Ross Walker]

On Nov 12, 2009, at 7:53 PM, Spiro Harvey  wrote:

>> I would backup ALL your file systems off that disk, perhaps using a
>
> This is a fresh install, so that's not an issue.
>
>> Linux rescue CD, then configure the controller in the BIOS for JBOD,
>> use a rescue disk to build mdraid partitions, and restore your files
>> from the backups.   you may have to rebuild the /boot/initrd on the
>> system to dump the fakeraid (dmraid) driver and enable the mdraid
>> native linux raid driver
>
> I'm interested in knowing why the machine isn't booting some kernels,
> but will happily boot another. I figure if it's a hardware issue, then
> it should be an all-or-nothing issue? I'm positive this is the same
> spec as the last servers built for this same purpose, but the others
> are now on the other side of the country, so I can't access them to
> verify.
>
> So assuming the hardware is exactly the same, and assuming there's
> something in the -164 kernel that doesn't like that particular fake
> raid card, then I still can't see why I can't boot the -128 kernel as
> that's what the other boxes have running. :/

You might have installed a driver for the fake raid before which added  
it to /etc/modprobe.conf and did a mkinitrd to add it to the initrd  
during boot, but at some point removed it and from that point on newer  
kernels didn't get the driver in their initrd images?

Just an idea.

-Ross

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Re: [CentOS] kernel not booting after update

[Larry Brigman]

On Thu, Nov 12, 2009 at 9:22 PM, Ross Walker  wrote:
> On Nov 12, 2009, at 7:53 PM, Spiro Harvey  wrote:
>
>>> I would backup ALL your file systems off that disk, perhaps using a
>>
>> This is a fresh install, so that's not an issue.
>>
>>> Linux rescue CD, then configure the controller in the BIOS for JBOD,
>>> use a rescue disk to build mdraid partitions, and restore your files
>>> from the backups.   you may have to rebuild the /boot/initrd on the
>>> system to dump the fakeraid (dmraid) driver and enable the mdraid
>>> native linux raid driver
>>
>> I'm interested in knowing why the machine isn't booting some kernels,
>> but will happily boot another. I figure if it's a hardware issue, then
>> it should be an all-or-nothing issue? I'm positive this is the same
>> spec as the last servers built for this same purpose, but the others
>> are now on the other side of the country, so I can't access them to
>> verify.
>>
>> So assuming the hardware is exactly the same, and assuming there's
>> something in the -164 kernel that doesn't like that particular fake
>> raid card, then I still can't see why I can't boot the -128 kernel as
>> that's what the other boxes have running. :/
>
> You might have installed a driver for the fake raid before which added
> it to /etc/modprobe.conf and did a mkinitrd to add it to the initrd
> during boot, but at some point removed it and from that point on newer
> kernels didn't get the driver in their initrd images?
>

If the /boot is also part of the raid and it is a soft raid (fake raid
is the same)
then maybe only one of the mirror is being updated and grub is looking at the
other mirror and not finding the files needed.
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[CentOS] Rebuilding MySQL

[Victor Subervi]

Hi;
Since I decided to "yum remove openssl", genius that I am (not!), I managed
to screw up the OS so badly the server co. had to rebuild it for me <:-)
These good people backed everything up very well, so the damage was minimal.
Now I'm trying to rebuild MySQL. I did the "yum install mysql" no problem.
However...

[r...@13gems old]# /etc/init.d/mysqld start
-bash: /etc/init.d/mysqld: No such file or directory

What do? Also, where is the data usually stored? The server co. backed that
up, but I don't know which file it would be.
TIA,
Victor
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