Discuss August 2012

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190 participants
169 discussions

display problem running under vmware
by Steve 07 Aug '12

07 Aug '12

I'm running an up-to-date CentOS 6 virtual machine in a VMWare player on a Windows box and I cannot set the display resolution to anything higher than 1280x720. Windows shows the screen resolution on this monitor to be 1920x1080. I do have VMWareTools installed although I'm not certain it is installed correctly. How can I tell? It is version 8.8.4-743747. I'm not sure if this is a CentOS issue or a VMWare issue but I thought I'd start here. My Xorg.0.log shows this: [ 43.093] (II) LoadModule: "vmware" [ 43.095] (II) Loading /usr/lib/xorg/modules/drivers/vmware_drv.so [ 43.102] (II) Module vmware: vendor="X.Org Foundation" [ 43.102] compiled for 1.10.4, module version = 11.0.3 [ 43.102] Module class: X.Org Video Driver [ 43.102] ABI class: X.Org Video Driver, version 10.0 [ 43.102] (II) LoadModule: "vmwgfx" [ 43.132] (WW) Warning, couldn't open module vmwgfx [ 43.132] (II) UnloadModule: "vmwgfx" [ 43.132] (II) Unloading vmwgfx [ 43.132] (EE) Failed to load module "vmwgfx" (module does not exist, 0) [ 43.133] (EE) vmware: Please ignore the above warnings about not being able to to load module/driver vmwgfx [ 43.133] (II) vmware: Using vmwlegacy driver everything is fine. [ 43.133] (II) LoadModule: "vmwlegacy" [ 43.136] (WW) Warning, couldn't open module vmwlegacy [ 43.136] (II) UnloadModule: "vmwlegacy" [ 43.136] (II) Unloading vmwlegacy [ 43.136] (EE) Failed to load module "vmwlegacy" (module does not exist, 0) [ 43.137] (EE) vmware: Unexpected failure while loading the "vmwlegacy" driver. Giving up. [ 43.137] (II) UnloadModule: "vmware" [ 43.137] (II) Unloading vmware [ 43.137] (EE) Failed to load module "vmware" (a required submodule could not be loaded, 136118924) Is this problem just a mismatch between CentOS and vmwware? Thanks, Steve more info: $ uname -r 2.6.32-279.2.1.el6.i686 but $ ls -d /usr/lib/vmware-tools/modules/binary/*2.6.32-279* ls: cannot access /usr/lib/vmware-tools/modules/binary/*2.6.32-279*: No such file or directory There are bld-2.6.32-24.whatever and bld-2.6.32-28.55-whatever files in /usr/lib/vmware-tools/modules/binary/ There is a legacy directory under /usr/lib/vmware-tools/modules/source/ and the source directory has a vmwgfx.tar file in it. # cat /proc/modules | grep vmware vmware_balloon 5811 0 - Live 0x<...> VMWare Player version 4.04 build 744019

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Re: [CentOS] Configure LAGG Interface?
by Cal Sawyer 06 Aug '12

06 Aug '12

In my experience, LAG/LACP won't provide aggregatation, only failover and fault tolerance. For link aggregation, you don't need to configure the switch ports - just set bonding to mode=6 for balanced transmit/receive and plug up the the NICs to a group of ports on the switch. However, balance-alb doesn't help with single stream rsync/FTP sessions, etc, but helps a lot with concurrent transmits/receives as encountered in typical fileserver scenarios. - c On 06/08/12 17:00, centos-request(a)centos.org wrote: > Message: 30 > Date: Mon, 06 Aug 2012 13:56:41 +0100 > From: Giles Coochey <giles(a)coochey.net> > Subject: Re: [CentOS] Configure LAGG Interface? > To: centos(a)centos.org > Message-ID: <501FBF09.5080206(a)coochey.net> > Content-Type: text/plain; charset="iso-8859-1" > > On 02/08/2012 02:00, Tim Nelson wrote: >> > ----- Original Message ----- >>> >> On 01.08.2012 21:17, Tim Nelson wrote: >>>> >>> Greetings- I'd like to configure multiple copper NICs on a server >>>> >>> running CentOS 6.2 in a LAGG configuration for better throughput to >>>> >>> the core switch. After quite a bit of searching, I'm not seeing >>>> >>> anything of the sort. Is LAGG specific to the BSD world and the HP >>>> >>> switches I'm running? Or, does it go by a different name? Bonding >>>> >>> perhaps? If so, is bonding compatible with LAGG? >>>> >>> >>>> >>> --Tim >>>> >>> _______________________________________________ >>>> >>> CentOS mailing list >>>> >>> CentOS(a)centos.org >>>> >>> http://lists.centos.org/mailman/listinfo/centos >>> >> Hi Tim, >>> >> >>> >> In Centos you would be doing "nic bonding", it's the same thing. >>> >> >> > The big question though, can I bond two NICs on a CentOS system, and connect those interfaces to two LAGG ports on my switches? >> > >> > > http://centoshelp.org/networking/nic-bonding/ > > Configure the switches as a LACP port-channel, you probably want to use > a host mode (e.g. silent) configuration. > > -- Regards, Giles Coochey, CCNA, CCNAS NetSecSpec Ltd +44 (0) 7983 > 877438 http://www.coochey.net http://www.netsecspec.co.uk > giles(a)coochey.net

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Centos 5.8 - __tmp network interface name
by For＠ll 06 Aug '12

06 Aug '12

Hi, How I could fix this problem with the interface name: __tmp1434038552 Link encap:Ethernet HWaddr 00:22:4D:67:E4:41 BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0

1 0

Off Topic - Commercial Removing Program and DVR-MS to MP4 Converter
by Phil Savoie 06 Aug '12

06 Aug '12

Hi All, With the wealth of information on this list, I would like to ask if anyone has any experience with removing commercials from M$ Media Center recorded TV programs and then converting them to MP4. I did a google search but there is a lot of info to sort through so I was wondering if anyone could share what they use. Feel free to contact me off list. Thank you, Phil

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find errors in a directory of files
by Tim Dunphy 06 Aug '12

06 Aug '12

hello list, I'm trying to write a script that will search through a directory of trace logs for an oracle database. From what I understand new files are always being created in the directory and it's not possible to know the exact names of the files before they are created. The purpose of this is to create service checks in nagios. Because you don't know the names of the files ahead of time traditional plugins like check_logs or check_logfiles.plwon't work. Here's what I was able to come up with: #!/bin/bash log1='/u01/app/oracle/admin/ecom/udump/*' crit1=($(grep 'ORA-00600' $log1)) crit2=($(grep 'ORA-04031' $log1)) crit3=($(grep 'ORA-07445' $log1)) if [ $crit1 ] ; then echo "$crit1 on ecom1" status=2 elif [ $crit2 ]; then echo "$crit2 on ecom1" status=2 elif [ $crit3 ]; then echo "$crit3 on ecom1" status=2 fi echo $status exit $status This is a very early version of the scripts, so as you can see I'm echoing a test message at the end letting you know the exit status. The problem with this script is that it is only able to detect one error in the logs. If you echo more than one test phrase into a log file or into multiple log files it still only picks up one error message. I was just wondering if anyone on the list might have a suggestion on how best to accomplish this task? Thanks Tim -- GPG me!! gpg --keyserver pool.sks-keyservers.net --recv-keys F186197B

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SSL Library Error: -8181 Certificate has expired
by Rob Kampen 06 Aug '12

06 Aug '12

Hi List Just had one of my servers fail serving web pages and apache produced a log file of nearly 1,000,000 lines and 130Mb in about 18 hours with the following: "SSL Library Error: -8181 Certificate has expired Unable to verify certificate 'Server-Cert'. Add "NSSEnforceValidCerts off" to nss.conf so the server can start until the problem can be resolved." repeated any where from 4 to 20 times per second until I stopped the server. Anyone know why this kind of thing occurs - surely logging this once is enough?? If it is such a critical thing, then why no warning in the log files that it is about to expire?? - all in all a bit of a surprise. The suggested remedy does work and I will get a new certificate issued and installed in due course. Google does not show me anything that helps in regards to my questions. Has anyone else seen and solved this in an elegant manner? TIA Rob

2 1

SSH prompt: Need advise from Japan
by Fajar Priyanto 06 Aug '12

06 Aug '12

Hi all, I hope there is someone in Japan. If we install Centos in Japanese, and then I ssh to it from an English client. Will the SSH prompt be in Japanese? How to make the SSH prompt in Japanese? Thank you. -- Fajar.

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bonding and ifcfg config
by Götz Reinicke 06 Aug '12

06 Aug '12

Hi, I'd like to bond two existing interfaces and checked the RH EL 6.3 [1] doc. Comparing the current settings of e.g. eth0 to the example config in the docs I wonder what options I still have to use/copy and which I can drop. e.g. what should happen to my RH 6.3 eth0 settings not in the docs? DNS1="............" GATEWAY="........." HWADDR=".........." NM_CONTROLLED="..." TYPE="............" UUID="............" Thanks for any suggestion and best regards . Götz [1] http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/6/html/Deploymen… http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/6/html/Deploymen… -- Götz Reinicke IT-Koordinator Tel. +49 7141 969 82 420 Fax +49 7141 969 55 420 E-Mail goetz.reinicke(a)filmakademie.de Filmakademie Baden-Württemberg GmbH Akademiehof 10 71638 Ludwigsburg www.filmakademie.de Eintragung Amtsgericht Stuttgart HRB 205016 Vorsitzender des Aufsichtsrats: Jürgen Walter MdL Staatssekretär im Ministerium für Wissenschaft, Forschung und Kunst Baden-Württemberg Geschäftsführer: Prof. Thomas Schadt

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Configure LAGG Interface?
by Tim Nelson 06 Aug '12

06 Aug '12

Greetings- I'd like to configure multiple copper NICs on a server running CentOS 6.2 in a LAGG configuration for better throughput to the core switch. After quite a bit of searching, I'm not seeing anything of the sort. Is LAGG specific to the BSD world and the HP switches I'm running? Or, does it go by a different name? Bonding perhaps? If so, is bonding compatible with LAGG? --Tim

4 4

Urgent help on replacing /var
by Emmanuel Noobadmin 05 Aug '12

05 Aug '12

In a moment of epic stupidity, having ran out of space on the root partition of a server due to /var chewing up the space, I added a separate drive for the purpose of mounting it as /var To do so, I mounted the new drive as /var2, cp -R (in hindsight should had rsync to preserve attributes), deleted the original /var to free up space, edited fstab and rebooted... unsurprisingly to a fubar'd server. The thing is it still boots, I can get into single user mode but a full init get stuck at starting the syslogger. What is the best way to rescue the server now from my own stupidity and keeping all the existing configuration and data?

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Discuss August 2012