Re: [CentOS] SNMP monitoring options

[Peter Hinse]

Am 13.04.2011 04:33, schrieb Keith Keller:
> On Wed, Apr 13, 2011 at 11:23:19AM +1000, Bob Hepple wrote:
>>
>> We looked at a number of monitoring systems before closing on
>> (community version) Opsview. The main other contender we looked at was
>> zenoss - I have to admit I was biased due to previous use of and liking
>> of nagios.
> 
> So, if I already have a working nagios that I like, are there any
> advantages to Opsview community?  I only have about 100 services I
> monitor, and I doubt it'd grow a huge amount in the near future.

You might have a look at the Icinga project (actually a nagios fork)
with a much nicer interface, API etc.

http://www.icinga.org

Regards,
Peter
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Re: [CentOS] dovecot sieve rpm?

[Peter Hinse]

Am 09.05.2011 06:32, schrieb David Mehler:
> Hello,
> Does anyone have a repo or have a dovecot 1.2 and dovecot sieve rpm,
> also a postfix 2.5 or 2.6 rpm? I saw some on a repo called atrpms, but
> it has dependency issues, and I read that that repo is dangerous.

dovecot 1.2.x http://centos.alt.ru/pub/dovecot/
postfix 2.x.x http://ftp.wl0.org/official/

Regards,

Peter
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Re: [CentOS] SVN hell!

[Peter Hinse]

Am 12.10.09 01:05, schrieb Guy Boisvert:

> [r...@svn ~]# ll /var/www/svn
> total 16
> drwxr-xr-x 7 apache apache 4096 Oct 11 11:40 applitv
> drw-rw-r-- 7 apache apache 4096 Oct 11 10:31 repos

My repos directory has permissions 0750 - try to change into each
directory as user apache und touch files there as suggested by Ian.

Peter.
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Re: [CentOS] Load Balancer (heartbeat, ldirectord, ipvsadm) + Apache Problem

[Peter Hinse]

Am 17.02.2010 09:29, schrieb Roberto HT:

> I'm having this problem with load balancer.
> I already setup the load balancer and two servers behind it with this
> kind of topology
> 
> -   
> request -> DIRECTOR -- Server 1
>\
>  Server 2
> -
> 
> DIRECTOR's (RHEL 5) Virtual IP = 192.168.1.1
> Server 1's (RHEL 4.4) Virtual IP = 192.168.1.2
> Server 2's (CentOS 5.3) Virtual IP = 192.168.1.3
> 
> The problem is when I try to hit the 192.168.1.1, it sometimes give me a
> HTTP 200 and sometimes it will timed out. I hit it using lynx -dump. It
> should return "Hello world!" if success.
> 
> But if we hit it directly to 192.168.1.2:80  and
> 192.168.1.3:80 , it will return HTTP 200 which
> means no error and no timeout. Since the Server 1 is the same as Server
> 2 in configuration, are there somethings I missed here?
> 
> Another information is that I set the director using round robin
> algorithm, so everytime a successful hit returned from server 1, the
> next one is surely heading to Server 2 right? Based on the Apache's
> access log, I also knew that the timed out occured when it is the Server
> 2's turn to handle the request.
> 
> Aside from the same httpd.conf and the same httpd version are there any
> things in the system level, kernel level that should be the same between
> those two servers?

Could you please post the heartbeat/ldirectord configs from /etc/ha.d/?

Regards,

Peter
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Re: [CentOS] Load Balancer (heartbeat, ldirectord, ipvsadm) + Apache Problem

[Peter Hinse]

Am 17.02.2010 11:27, schrieb Roberto HT:

> Ah sorry but I already found what is missing. I forgot to add a virtual
> loop back interface in that server 2 which already been added in the
> first one.

That's what I wanted to verify. ;-)

Regards,

Peter
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Re: [CentOS] Re: memorial day kernel panic

[Peter Hinse]

William L. Maltby wrote:

On Tue, 2008-05-27 at 14:24 -0400, sbeam wrote:

On Tuesday 27 May 2008 13:16, Miguel Medalha wrote:

Some Tyan boards are known as being very picky with RAM. If you want to
avoid problems, you should really stick to the types listed in Tyan's
memory compatibility list.
hmm. well the spec sheet just says "unbuffered DDR 266/200" and that is what 
we got. I never noticed there was a list of "recommended" memory, but your 
comment made me look and I found one. PQI is not on the list :(


But... we had a similar system with the same mobo and ram stick - only one 
512M, not 2x1G like these - that was running for years with nary a hiccup 
until the disks died. The one we are having problems with was its 
upgrade/replacement. Maybe this is a problem though.


I recently had a problem upgrading to 2x1GB PC3200 (> DDR 400) in one of
my home units. Ultimate solution: tweaked the DRAM voltage to 2.7 volts.
Took a long time because I didn't want to fry the DIMMS and there were
no specs anywhere that specified the voltage.


We faced a similar situation lately (however, on a fedora system). After 
swapping each and every part of the hardware, we found some USB 
temperature sensors and their kernel drivers to be the source of all 
problems. After unplugging the USB devices and unloading the kernel 
modules, the machine runs without any problems.


Regards,

Peter
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Re: [CentOS] Centos 5.2 and Xen

[Peter Hinse]

Victor Padro wrote:

Proxmox VE is the *only *virtualization platform which can do all of the 
following on one physical host:


* Container Virtualization (OpenVZ)
* Full virtualization (KVM)
* Para-virtualization (KVM) 

We encourage everybody to test Proxmox VE and give feedback, for 
download and documentation please visit the *Proxmox VE Wiki .*


Feel free to get in contact with me directly - [EMAIL PROTECTED] 
.


Sounds interesting, I just don't like the debian as underlying os for 
the server ;-) However, since it's licensed under the GPL, I will try to 
get it work with a redhat based linux.


Regards,

Peter

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Re: OT: [centos] open source inventory system with invoicing and serial no tracking

[Peter Hinse]

david chong wrote:

Dear All,

Sorry, cause this is OT.

I am asking this for my client, they hope to find a simple open source
web base software with invoicing and serial no tracking, preferably if
can generate continuous serial no by its own.

Thanks in advance.


Maybe GLPI can do what you expect: http://glpi-project.org/spip.php?lang=en

It can easily be combined with OCS Inventory NG:
OCSNG: http://www.ocsinventory-ng.org/

Regards,

Peter
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Re: [CentOS] dovecot upgrade 1.0.7 -> 2.0.14 / CentOS EL 5.7

[Peter Hinse]

Am 02.11.2011 15:01, schrieb Götz Reinicke:

> did anybody did an update from 1.x -> 2.x yet?
> 
> I'D like to use the rpm from http://packages.atrpms.net/dist/el5/dovecot/
> 
> May be someone has some suggestions?

I recompiled the SRPMs from http://www.city-fan.org/ftp/contrib/mail/
Updating the config(s) is described here:
http://wiki2.dovecot.org/Upgrading/2.0

Peter.
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Re: [CentOS] question on managing multiple boxes

[Peter Hinse]

Jerry Geis schrieb:
> How do admins handle a situation with many boxes like 50 for example.
> If I wish to tell 50 boxes to run a handful of commands - how is that done?
> (I mean without actually logging into 1,2,3,4...X  and executing the 
> commands)

Just found phpAdamoto[1] on freshmeat and will test it the next days.
Right now, it is a mixture of clusterssh and self-written scripts.

[1] http://www.phpadamoto.org/Server/doc.php

Regards,

Peter



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Re: [CentOS] Restarting failed processes

[Peter Hinse]

Matty schrieb:

> We are running a process on a CentOS box, and periodically it dies. 
> Does anyone happen to have any recommendations for a lightweight tool
> that can be used to monitor processes and restart them if they happen
> to fail? I looked at monit, but it appears to be a bit much for
> restarting a process.

I like monit, it is easy to configure - if you only need to monitor one
service, than just configure that single service - no need to use the
whole set of features.

Regards,

Peter




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Re: [CentOS] OT: reset IBM Bladecenter AMM web access

[Peter Hinse]

[EMAIL PROTECTED] schrieb:

> Sorry for the OT.
> Does anyone can share to how to reset an IBM Bladecenter Advance
> Management Module web access?
> Recently, I've got an IBM Bladecenter chassis E 8677. There's no one in
> the office who knows about the IP nor the password for it.

IIRC, the default IP is in the 192.168.70.0/24 network. Default User/PW
is USERID/PASSW0RD (zero, not "o"). I just can't find the doc on how to
reset to defaults.

Regards,

Peter



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Re: [CentOS] SVN missing libexpat.so.0 while it is present

[Peter Hinse]

Berend Dekens schrieb:

> I have expat installed - even reinstalled it from RPM (not using yum as
> it would remove 99% over the system in order to 'safely' remove expat).
>> Do you have any of those installed?
>>
>> Try running "ldconfig"?   
> Also tried that - nothing changed :-(

You are sure, that you really use the correct svn binary? Maybe an old
installation is still active and your $PATH does not start the svn
binary in /usr/bin? Try to call the binaries with full path, since ldd
seems to report correct libraries.

Regards,

Peter



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Re: [CentOS] problems with burning i386 centos 6 dvd

[Peter Hinse]

Am 11.07.2011 22:47, schrieb Gary Gatling:

> Thanks a lot for the CentOS 6 distro. I am having trouble burning the i386
> dvds. I tried on a RHEL 6 deskop and also a CentOS 5 laptop. The command I
> am running on both systems is this:
>
> growisofs -dvd-compat -speed=4 -Z
> /dev/sr0=/home/gsgatlin/CentOS-6.0-i386-bin-DVD/CentOS-6.0-i386-bin-DVD.iso
>
> The error I am seeing is:
>
> :-( /dev/sr0: 2295104 blocks are free, 2297586 to be written!
>
> (Yes it puts a sad face on the command line)
>
> The DVD says DVD +R on it if that matters.
>
> I was able to burn the 64 bit dvd's ok with similar commands. (both #1
> and #2)
>
> Any idea what I am doing wrong?

See the Release Notes:
http://wiki.centos.org/Manuals/ReleaseNotes/CentOS6.0

"The i386 DVD is just a bit too large to fit on normal single layer 
DVD+R media. It can be burnt succesfully on DVD-R."

Peter.
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Re: [CentOS] redhat-release file on C6

[Peter Hinse]

Am 18.07.2011 13:49, schrieb Keith Roberts:

>> Maybe CentOS are planning a release of something that isn't based on
>> Linux :-)
> 
> Windoze 7.5 ??

Note: Debian 7.0 will be available with Hurd kernel:
http://www.gnu.org/software/hurd/news/2011-q2.html

Who knows what Redhat is planning... :)
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[CentOS] Loadbalance Repo / ldirectord packages?

[Peter Hinse]

Hi *,

we want to migrate our loadbalancers running CentOS 5.6 to new hardware
and CentOS 6, however the (heartbeat-)ldirectord package seems to be
hidden in the new LoadBalance repo in RHEL6. Any chance to get the RHEL
SRPMs from this repo?

Regards,

Peter
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Re: [CentOS] Loadbalance Repo / ldirectord packages?

[Peter Hinse]

Am 03.08.2011 11:02, schrieb Peter Hinse:

> we want to migrate our loadbalancers running CentOS 5.6 to new hardware
> and CentOS 6, however the (heartbeat-)ldirectord package seems to be
> hidden in the new LoadBalance repo in RHEL6. Any chance to get the RHEL
> SRPMs from this repo?

just found the "%if 0%{?rhel} == 0" parts in the resource-agents.spec
file. Any reason for *not* building the ldirectord RPM on CentOS?

Peter.
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Re: [CentOS] Loadbalance Repo / ldirectord packages?

[Peter Hinse]

Am 03.08.2011 11:23, schrieb Peter Hinse:
> Am 03.08.2011 11:02, schrieb Peter Hinse:
> 
>> we want to migrate our loadbalancers running CentOS 5.6 to new hardware
>> and CentOS 6, however the (heartbeat-)ldirectord package seems to be
>> hidden in the new LoadBalance repo in RHEL6. Any chance to get the RHEL
>> SRPMs from this repo?
> 
> just found the "%if 0%{?rhel} == 0" parts in the resource-agents.spec
> file. Any reason for *not* building the ldirectord RPM on CentOS?

Second self-reply ;-)
Found this in the spec file:

> * Wed May 19 2010 Andrew Beekhof  - 3.0.12-3
> - Do not package ldirectord on RHEL
>   Resolves: rhbz#577264

I am not allowed to see
https://bugzilla.redhat.com/show_bug.cgi?id=577264 so no idea why this
happened. Can someone enlighten me?

Peter.
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Re: [CentOS] Loadbalance Repo / ldirectord packages?

[Peter Hinse]

Am 03.08.2011 11:23, schrieb Peter Hinse:

>> we want to migrate our loadbalancers running CentOS 5.6 to new hardware
>> and CentOS 6, however the (heartbeat-)ldirectord package seems to be
>> hidden in the new LoadBalance repo in RHEL6. Any chance to get the RHEL
>> SRPMs from this repo?
> 
> just found the "%if 0%{?rhel} == 0" parts in the resource-agents.spec
> file. Any reason for *not* building the ldirectord RPM on CentOS?

Noone using LVS/ldirectord with CentOS 6.0? How do you configure your
loadbalancers?

Peter.
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Re: [CentOS] rack configurator?

[Peter Hinse]

Am 25.02.2010 21:34, schrieb Alan McKay:
> Hey folks,
> 
> Does anyone know of a rack configurator that runs on CentOS?   It does
> not have to even be very fancy - immediately I'm just looking for an
> easy way to keep track of what is in my racks, and being able to have
> a visual of it.   Maybe juggle stuff around.   Bonus if it does power
> calculations based on model numbers and so on - or data I punch in for
> each model.   But really right now some kind of very specific CAD or
> Draw tool that is specific to this purpose.  Or a template for a more
> general tool.

Hi Alan,

have a look at racktables: http://racktables.org/

Regards,

Peter



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Re: [CentOS] puzzling md error ?

[Peter Hinse]

Am 28.02.2010 22:03, schrieb John R Pierce:
> WARNING: mismatch_cnt is not 0 on

Have a look at http://www.arrfab.net/blog/?p=199
It says:

> A `echo repair >/sys/block/md0/md/sync_action` followed by a `echo
> check >/sys/block/md0/md/sync_action` seems to have corrected it. Now
> `cat /sys/block/md0/md/mismatch_cnt` returns 0 …

Regards,

Peter



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Re: [CentOS] Sendmail analyser

[Peter Hinse]

Am 02.03.2010 12:33, schrieb Rajagopal Swaminathan:

> I have a message file from a certain sendmail server. I am expected to
> report about delivery failures and the reasons thereof. Any already
> invented wheels? I need to do it offline and not on the sendmail
> server.
> 
> any ides?

A search for "sendmail analyzer" at freshmeat shows some results:
http://freshmeat.net/search?q=sendmail+analyzer&submit=Search

Regards,

Peter



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Re: [CentOS] need help: about remove space

[Peter Hinse]

Am 30.04.2010 16:46, schrieb adrian kok:

> I have big file as below 
> and would like to know how many line eg: wc -l file
> but can't figure out how to know
> 
> If I type wc -l file, I only get the 1023 but it includes the space 
> When I use cat file | tr -d "\r \n". it gives me "adrian alice.."
> I need it as fileB and then wc -l fileB.

grep -cv ^$ file

> 
> Thank you so much
> 
> file
> 
> 
> adrian
> 
> alice
> 
> 
> Patrick
> 
> 
> 
> file B
> ==
> 
> adrian
> alice
> Patrick 

Regards,

Peter



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[CentOS] IBM ServeRAID M5014 and CentOS 5.5

[Peter Hinse]

Hi all,

we are about to buy some IBM x3550 M2 servers with ServeRAID M5014 SAS
onboard controller. Can anyone confirm that these controllers will work
with CentOS 5.5 (seems to be some rebranded LSI controller).

I cannot find any hint in the 2.6.18-194.3.1.el5 sources...

Regards,

Peter



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Re: [CentOS] IBM ServeRAID M5014 and CentOS 5.5

[Peter Hinse]

Am 15.06.2010 13:55, schrieb Mogens Kjaer:

>> we are about to buy some IBM x3550 M2 servers with ServeRAID M5014 SAS
>> onboard controller. Can anyone confirm that these controllers will work
>> with CentOS 5.5 (seems to be some rebranded LSI controller).
> 
> According to:
> 
> http://www.redbooks.ibm.com/technotes/tips0738.pdf
> 
> is seems to be supported by RHEL 4 and 5. So it should work
> with CentOS 4 and 5 as well.

I just found out, that RHEL/CentOS 5.5 has megaraid_sas driver 4.17
included, the controller seems to be supported from version 4.01-rc1 and up.

Thanks for the IBM link to both of you!

Regards,

Peter



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Re: [CentOS] ldirectord package on centos 6

[Peter Hinse]

Am Tue, 15 May 2012 21:11:00 +0200 schrieb Dennis Jacobfeuerborn:

> I'm looking for the ldirectord package but can't find it. Previously
> this was available as "heartbeat-ldirectord" and nowadays it is built as
> an independent package from "resource-agents" however neither seems to
> be available either in core centos 6 or epel. Where did it go?

Look at the resource-agents SPEC file, the ldirectord is not built 
anymore. Some tweaking in the SPEC will give you the package back. 
However, upstream (RH) has decided to not support ldirectord any more.

Regards,

Peter

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Re: [CentOS] ldirectord package on centos 6

[Peter Hinse]

Am Wed, 16 May 2012 15:06:15 +0200 schrieb Dennis Jacobfeuerborn:

> On 05/16/2012 08:52 AM, Peter Hinse wrote:
>> Am Tue, 15 May 2012 21:11:00 +0200 schrieb Dennis Jacobfeuerborn:
>> 
>>> I'm looking for the ldirectord package but can't find it. Previously
>>> this was available as "heartbeat-ldirectord" and nowadays it is built
>>> as an independent package from "resource-agents" however neither seems
>>> to be available either in core centos 6 or epel. Where did it go?
>> 
>> Look at the resource-agents SPEC file, the ldirectord is not built
>> anymore. Some tweaking in the SPEC will give you the package back.
>> However, upstream (RH) has decided to not support ldirectord any more.
> 
> Ok, so how does upstream provide load balancing features then? The only
> alternative I know is keepalived and that doesn't really play well in a
> cluster environment.

See http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/6/pdf/
Load_Balancer_Administration/Red_Hat_Enterprise_Linux-6-
Load_Balancer_Administration-en-US.pdf

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