Discuss June 2012

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185 participants
178 discussions

[6.2] Postfix not reading main.cf
by Neil Aggarwal 07 Jun '12

07 Jun '12

Hello: I just did a fresh install of CentOS 6.2 on a virtual server. I am trying to configure Postfix but it does not seem to be reading configuration directives from /etc/postfix/main.cf Here is what I did to test it: vi /etc/postfix/main.cf and set this directive: myorigin = hello.world.com postfix reload postconf -d | grep myorigin I get this output: append_at_myorigin = yes myorigin = $myhostname Any ideas why it is not picking up the configuration? Thanks, Neil -- Neil Aggarwal, (972)834-1565, http://UnmeteredVPS.net/centos Virtual private server with CentOS 6 preinstalled Unmetered bandwidth = no overage charges

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repo dates and times
by Jerry Geis 06 Jun '12

06 Jun '12

I am trying to get my kickstart "repo" line to function correctly. repo --name=Updates --baseurl=http://192.168.1.14/centos/6.2/updates/x86_64/ When I comment the above line my install works, When I uncomment it the install fails with a message about dbus package error. This is my nightly script that runs: =============== PLACE="mirror.team-cymru.org/CentOS" mkdir -p /var/www/html/centos/$VERSION/updates/x86_64 cd /var/www/html/centos/$VERSION/updates/x86_64 mkdir Packages rsync -av rsync://$PLACE/$VERSION/updates/x86_64/Packages/* /var/www/html/centos/$VERSION/updates/x86_64/Packages /usr/bin/createrepo . chown -R silentm:silentm /var/www/html/centos/* =============== Everything seems fine. however the dates and times are wrong on the files. From the real repo: Name Last Modified Size Type Parent Directory <http://mirror.team-cymru.org/CentOS/6.2/updates/x86_64/>/ - Directory 389-ds-base-1.2.8.2-1.el6_1.3.x86_64.rpm <http://mirror.team-cymru.org/CentOS/6.2/updates/x86_64/Packages/389-ds-base…> 2011-Sep-28 00:33:09 1.1M application/octet-stream 389-ds-base-1.2.9.14-1.el6_2.2.x86_64.rpm <http://mirror.team-cymru.org/CentOS/6.2/updates/x86_64/Packages/389-ds-base…> 2012-Jan-24 03:11:51 1.3M application/octet-stream From my repo: ls -l 389* -rw-rw-r-- 1 silentm silentm 1221224 Sep 27 2011 389-ds-base-1.2.8.2-1.el6_1.3.x86_64.rpm -rw-rw-r-- 1 silentm silentm 1438440 Jan 23 22:11 389-ds-base-1.2.9.14-1.el6_2.2.x86_64.rpm Notice the dates/times are not the same. not sure if that matters. Also - I changed my "repo" link to point directly to the repo --name=Updates --baseurl= http://mirror.team-cymru.org/CentOS/6.2/updates/x86_64 <http://mirror.team-cymru.org/CentOS/6.2/updates/x86_64/Packages/> and I got the exact same error about dbus. What might it be that I am not doing correctly? I thought it was my local repo until I pointed to the WEB site directly. Thanks, Jerry

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[KVM] reporting VM state
by Joe Tseng 06 Jun '12

06 Jun '12

I recently set up a CentOS 6.2 hypervisor and created a Win2k8 virtual machine. In order to save space and time backing up the VM, I want to minimize the amt of unused disk space in the VM. Does KVM have the built-in ability to view the amt of free space left in a VM? Or is this feature I have to create myself to have the hypervisor and VM aware of each other? - Joe If you type "Google" into Google, you can break the Internet. -- Jen Barber

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CentOS-announce Digest, Vol 88, Issue 3
by centos-announce-request＠centos.org 06 Jun '12

06 Jun '12

Send CentOS-announce mailing list submissions to centos-announce(a)centos.org To subscribe or unsubscribe via the World Wide Web, visit http://lists.centos.org/mailman/listinfo/centos-announce or, via email, send a message with subject or body 'help' to centos-announce-request(a)centos.org You can reach the person managing the list at centos-announce-owner(a)centos.org When replying, please edit your Subject line so it is more specific than "Re: Contents of CentOS-announce digest..." Today's Topics: 1. CEBA-2012:0708 CentOS 6 cyrus-imapd Update (Johnny Hughes) 2. CESA-2012:0710 Critical CentOS 6 firefox Update (Johnny Hughes) 3. CESA-2012:0710 Critical CentOS 5 firefox Update (Johnny Hughes) 4. CEBA-2012:0714 CentOS 5 httpd Update (Johnny Hughes) ---------------------------------------------------------------------- Message: 1 Date: Tue, 5 Jun 2012 18:29:20 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CEBA-2012:0708 CentOS 6 cyrus-imapd Update To: centos-announce(a)centos.org Message-ID: <20120605182920.GA3990(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2012:0708 Upstream details at : https://rhn.redhat.com/errata/RHBA-2012-0708.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: 315bb942e6e34cb73a06314d7391620440294150be80891806f0295745fbca8d cyrus-imapd-2.3.16-6.el6_2.5.i686.rpm d69cf57d3167921889647a5956865d7b682f96b56edbdfbd36ccec30e93ff7bb cyrus-imapd-devel-2.3.16-6.el6_2.5.i686.rpm a2aafd117dff90b6db7c550c38fe6fcc8ee60eddac50308ae2c74253938ede65 cyrus-imapd-utils-2.3.16-6.el6_2.5.i686.rpm x86_64: 3a64f43347de2535102dea28c9dbdeec31c993bf3165d925974481ba61cded7f cyrus-imapd-2.3.16-6.el6_2.5.x86_64.rpm d69cf57d3167921889647a5956865d7b682f96b56edbdfbd36ccec30e93ff7bb cyrus-imapd-devel-2.3.16-6.el6_2.5.i686.rpm ee2d7c8e3190675fa1e72650a3b629e2aa2d9d611f586de008f037ae3f38b127 cyrus-imapd-devel-2.3.16-6.el6_2.5.x86_64.rpm 6c5720fdd154b12d5641b67269bae2889f63a00f85bba645c6dff3df76602655 cyrus-imapd-utils-2.3.16-6.el6_2.5.x86_64.rpm Source: 2657ee0d64cb0d9361885c98b6f04fb10f0965623d8cbc22005dd83d5eb59654 cyrus-imapd-2.3.16-6.el6_2.5.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ Message: 2 Date: Wed, 6 Jun 2012 13:06:53 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CESA-2012:0710 Critical CentOS 6 firefox Update To: centos-announce(a)centos.org Message-ID: <20120606130653.GA27911(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2012:0710 Critical Upstream details at : http://rhn.redhat.com/errata/RHSA-2012-0710.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: 3e29f2f7aef70c78ab1deffaa576bf84cecb28cdf62d834a2efb1cb3773b1b1d firefox-10.0.5-1.el6.centos.i686.rpm 81182bf9369d7cd0056ad18124e4b9c9574b98e546b170dee8382e02a0ede4c0 xulrunner-10.0.5-1.el6.centos.i686.rpm 72f081ad8cfc725c567f29e41d583741a640097a333d73ff6c43b8527e883b80 xulrunner-devel-10.0.5-1.el6.centos.i686.rpm x86_64: 3e29f2f7aef70c78ab1deffaa576bf84cecb28cdf62d834a2efb1cb3773b1b1d firefox-10.0.5-1.el6.centos.i686.rpm 519d831d70d1754c1f3c62f82312423373360f9ade2b48225fc7d21072e78750 firefox-10.0.5-1.el6.centos.x86_64.rpm 81182bf9369d7cd0056ad18124e4b9c9574b98e546b170dee8382e02a0ede4c0 xulrunner-10.0.5-1.el6.centos.i686.rpm 673923e33d51525ee91cc652c91e5b46ad7c0550e4a70192d5c43254bc9ffe9d xulrunner-10.0.5-1.el6.centos.x86_64.rpm 72f081ad8cfc725c567f29e41d583741a640097a333d73ff6c43b8527e883b80 xulrunner-devel-10.0.5-1.el6.centos.i686.rpm 4cb836d47f76c47aba11eb926776351d4b22a4cd1b81a5742a961a0e0f206862 xulrunner-devel-10.0.5-1.el6.centos.x86_64.rpm Source: 81ed8cbecce4f928da7f41a2fd428a7f278ade1a083a930fb7e914a751dd5903 firefox-10.0.5-1.el6.centos.src.rpm 65bbea6ca6b7ef2b7ac06217afce773bb81fffb2e50061673656a1a672e5bd8e xulrunner-10.0.5-1.el6.centos.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ Message: 3 Date: Wed, 6 Jun 2012 14:01:28 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CESA-2012:0710 Critical CentOS 5 firefox Update To: centos-announce(a)centos.org Message-ID: <20120606140128.GA31343(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2012:0710 Critical Upstream details at : https://rhn.redhat.com/errata/RHSA-2012-0710.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: 41b523eae8ce14f0b76d5a5ea087253cceb6f9c4e31d26cd690c1945e32faa4b firefox-10.0.5-1.el5.centos.i386.rpm 8b071da557a36051dedcd18257ed21ff6f2a02a78b27e3dc0b6029f8b65ca0d3 xulrunner-10.0.5-1.el5_8.i386.rpm 70a324fb17a1babb7d38a80be9ea3ff758de444276061bd0cab42ba7c7fa7a6a xulrunner-devel-10.0.5-1.el5_8.i386.rpm x86_64: 41b523eae8ce14f0b76d5a5ea087253cceb6f9c4e31d26cd690c1945e32faa4b firefox-10.0.5-1.el5.centos.i386.rpm 8bff36d3db4e6d04c7ce68063fb8359fe7356adc7290b3a874446733fa6d34e4 firefox-10.0.5-1.el5.centos.x86_64.rpm 8b071da557a36051dedcd18257ed21ff6f2a02a78b27e3dc0b6029f8b65ca0d3 xulrunner-10.0.5-1.el5_8.i386.rpm b9bf7b391d268e52e26b60e59ac353f08fc560f8e49c0d03fc1d95d09abad5ce xulrunner-10.0.5-1.el5_8.x86_64.rpm 70a324fb17a1babb7d38a80be9ea3ff758de444276061bd0cab42ba7c7fa7a6a xulrunner-devel-10.0.5-1.el5_8.i386.rpm ba03a12a7bb906145114dc9236044525f56e2596d0ba98859b21a383dd560204 xulrunner-devel-10.0.5-1.el5_8.x86_64.rpm Source: 0b85b141ce762a9fbdbac2cb0cf0cc49f0e63607c0b5bc6bbea1e7c1ef792f24 firefox-10.0.5-1.el5.centos.src.rpm 4b242781f1594ac3912386c19ca8876a930d3cc8c56522e773cd7b6b0ff5c592 xulrunner-10.0.5-1.el5_8.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ Message: 4 Date: Wed, 6 Jun 2012 14:43:00 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CEBA-2012:0714 CentOS 5 httpd Update To: centos-announce(a)centos.org Message-ID: <20120606144300.GA545(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2012:0714 Upstream details at : http://rhn.redhat.com/errata/RHBA-2012-0714.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: 15549a2ae04a0647de75fcd247164b27626b9526b149c44d83afde7910c57ff3 httpd-2.2.3-65.el5.centos.i386.rpm 4e47e144fe7622cae552db844d4abcc19e00c69452457655340c8447a299be7a httpd-devel-2.2.3-65.el5.centos.i386.rpm b765a17d42535bf49cd946c08850e023c5038abf6d2c39c9efedd8c5b68a9bca httpd-manual-2.2.3-65.el5.centos.i386.rpm 2c601e6240ba347d80d289126cd3491aea6950eadda41dfe2fd6ebb1ef3463fa mod_ssl-2.2.3-65.el5.centos.i386.rpm x86_64: dd0e0484a702a721d5a0c3e6ea2a251466502b18b4f8a27ff2cfa85456065173 httpd-2.2.3-65.el5.centos.x86_64.rpm 4e47e144fe7622cae552db844d4abcc19e00c69452457655340c8447a299be7a httpd-devel-2.2.3-65.el5.centos.i386.rpm ffdc0fc147ce90c7c2b97e6cbe06d2f93f546052401f01052a94731d737aedc5 httpd-devel-2.2.3-65.el5.centos.x86_64.rpm 04e111a919cd5e26c0290b4974c7238ceb70a713177d332c098c43edbae1abe6 httpd-manual-2.2.3-65.el5.centos.x86_64.rpm b26764f120d40c85e602ded1b83a0e44823096ce80f55b5e745b304f9a508ede mod_ssl-2.2.3-65.el5.centos.x86_64.rpm Source: 9ca40813703c2e5cfe4825c91a54bf9ba6bf6d3d38951e9916eee00d2e248663 httpd-2.2.3-65.el5.centos.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ _______________________________________________ CentOS-announce mailing list CentOS-announce(a)centos.org http://lists.centos.org/mailman/listinfo/centos-announce End of CentOS-announce Digest, Vol 88, Issue 3 **********************************************

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CentOS 5.8 Samba and Windows 7
by John Doe 06 Jun '12

06 Jun '12

Hi, any one has successfully joined a Windows 7 workstation to a samba (3.0.33) domain on CentOS 5.8? I am wondering if I need to install a newer version (from sernet by example) or if I can keep the old one and try harder... Thx, JD

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Mysql cluster vs. mysql-libs
by Dennis Jacobfeuerborn 06 Jun '12

06 Jun '12

Hi, it seems even a minimal install of Centos 6.2 now requires mysql-libs as a dependency for postfix and cronie. When I try to install the mysql cluster rpms from mysql.com I get a collision between the files. Since this is the first time I get into contact with mysql cluster I wonder if somebody has an idea how to resolve this or knows alternative packages that don't conflict with mysql-libs? Regards, Dennis

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75% - 80% Rebuild Complete
by Gene Poole 06 Jun '12

06 Jun '12

First I want to thank all of you who responded to me both on this list and in the CentOS wiki. Your responses helped greatly! I want to say that if you are running CentOS 5 and you do not have a overriding reason to go to CentOS 6, stay where you are. It was so much easier installing CentOS 6 on a new machine, migrating is next to impossible. Here's where I am today: 1. The base DVD install would not allow me to run the gnome desktop at 1920x1080 resolution with the default nVidia driver, the highest resolution I could obtain was 1024x768. However the text screen worked just fine after I introduced the video=1920x1080 in the grub.conf file. 2. When I installed the nVidia closed source drivers, the gnome desktop ran perfectly in the high resolution mode. The text mode then dropped to 1024x768 even though it retained the video=1920x1080 parameter (could it be those blacklist parameters introduced to disable the noveau drivers?). 3. During the installation I instituted software raid-1 along with LVM. It all worked perfectly until I got to the Boot Loader screen and instead of using the default (/dev/sda) I used what I thought would work in a raid-1 environment IF one of the hard drives went bad. I chose to install the boot loader in /dev/md0. Of course it would not boot. I recovered from this by going through the install and choosing to upgrade a existing installation and it allowed me to place the boot loader in /dev/sda. What that leaves me with is a raid-1 environment that works great as long as /dev/sda remains. How do I fix that??? 4. I still need to add all of those extra repositories (adobe; webmin; rpmfusion; etc). 5. I'm still trying to decide if I want a high resolution text screen (that I would use almost everyday) or a high resolution GUI screen (that I'll only use for certain application installs)??? At my 'real' job, we use RHEL and we've done some things using RHEL 6.2 for POC (Proof Of Concept) projects. With a POC, we install using a standard installation DVD (as opposed to using our RH Satellite Server). All of this to say that there are application installation options that really fit the needs of a server installation, you can choose 'Server' and 'Server GUI', which installs the gnome GUI without selecting a desktop environment.. Some things we run require a GUI to install (Oracle DB; IBM DB2 UDB; IBM WebSphere; etc.). How do I select this type of environment using CentOS 6.2? In other words, I'm running CentOS 6.2 x86_64 Desktop TIA, Gene Poole + It's impossible for everything to be true. +

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Errors in dmesg
by Gregory Machin 06 Jun '12

06 Jun '12

Hi. I have a RHEL server that has some errors in dmesg , what do they mean, how do I fix them ? mtrr: type mismatch for f9000000,800000 old: write-back new: write-combining mtrr: type mismatch for f9000000,1000000 old: write-back new: write-combining mtrr: type mismatch for f9fe0000,10000 old: write-back new: write-combining mtrr: type mismatch for f9fc0000,20000 old: write-back new: write-combining mtrr: type mismatch for f9f80000,40000 old: write-back new: write-combining mtrr: type mismatch for f9f00000,80000 old: write-back new: write-combining mtrr: type mismatch for f9e00000,100000 old: write-back new: write-combining mtrr: type mismatch for f9c00000,200000 old: write-back new: write-combining mtrr: type mismatch for f9800000,400000 old: write-back new: write-combining mtrr: type mismatch for f9000000,800000 old: write-back new: write-combining mtrr: type mismatch for f9fe0000,10000 old: write-back new: write-combining mtrr: type mismatch for f9fc0000,20000 old: write-back new: write-combining mtrr: type mismatch for f9f80000,40000 old: write-back new: write-combining mtrr: type mismatch for f9f00000,80000 old: write-back new: write-combining mtrr: type mismatch for f9e00000,100000 old: write-back new: write-combining mtrr: type mismatch for f9c00000,200000 old: write-back new: write-combining mtrr: type mismatch for f9800000,400000 old: write-back new: write-combining mtrr: type mismatch for f9000000,800000 old: write-back new: write-combining input: AT Translated Set 2 keyboard as /class/input/input4 altera_installe[6598]: segfault at 0000000000000000 rip 0000000000000000 rsp 00000000ffd6af2c error 14 INFO: task kjournald:1793 blocked for more than 120 seconds. "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. kjournald D ffff810c6a193e40 0 1793 843 1819 1789 (L-TLB) ffff81183fdc9cf0 0000000000000046 ffff810c3fbe4780 ffff810c3f574600 ffff810c3f574600 000000000000000a ffff810c3f88f7e0 ffff810c3e843860 0011dd0b95e546c6 000000000000a1a4 ffff810c3f88f9c8 0000000400074c00 Call Trace: [<ffffffff8006ecd9>] do_gettimeofday+0x40/0x90 [<ffffffff8005a3ad>] getnstimeofday+0x10/0x29 [<ffffffff800155a2>] sync_buffer+0x0/0x3f [<ffffffff800637de>] io_schedule+0x3f/0x67 [<ffffffff800155dd>] sync_buffer+0x3b/0x3f [<ffffffff80063a0a>] __wait_on_bit+0x40/0x6e [<ffffffff800155a2>] sync_buffer+0x0/0x3f [<ffffffff80063aa4>] out_of_line_wait_on_bit+0x6c/0x78 [<ffffffff800a34d6>] wake_bit_function+0x0/0x23 [<ffffffff88033e56>] :jbd:journal_commit_transaction+0x968/0x10c2 [<ffffffff8003d7d9>] lock_timer_base+0x1b/0x3c [<ffffffff880376a3>] :jbd:kjournald+0xc1/0x213 [<ffffffff800a34a8>] autoremove_wake_function+0x0/0x2e [<ffffffff880375e2>] :jbd:kjournald+0x0/0x213 [<ffffffff800a3290>] keventd_create_kthread+0x0/0xc4 [<ffffffff8003264c>] kthread+0xfe/0x132 [<ffffffff8005dfb1>] child_rip+0xa/0x11 [<ffffffff800a3290>] keventd_create_kthread+0x0/0xc4 [<ffffffff8003254e>] kthread+0x0/0x132 [<ffffffff8005dfa7>] child_rip+0x0/0x11 INFO: task VBoxHeadless:20743 blocked for more than 120 seconds. "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. VBoxHeadless D ffffffff801563dc 0 20743 1 20742 (NOTLB) ffff8107717ebd98 0000000000000086 0000000c717ebd18 0000000000000001 0000000400000000 000000000000000a ffff810b3acfb040 ffff810c400a4040 0011dd0835789020 00000000000161a0 ffff810b3acfb228 0000000400000092 Call Trace: [<ffffffff88036e55>] :jbd:log_wait_commit+0xa3/0xf5 [<ffffffff800a34a8>] autoremove_wake_function+0x0/0x2e [<ffffffff8803179a>] :jbd:journal_stop+0x1d3/0x203 [<ffffffff8002f96a>] __writeback_single_inode+0x1dd/0x31c [<ffffffff800f7454>] sync_inode+0x24/0x33 [<ffffffff8804c37e>] :ext3:ext3_sync_file+0xce/0xf8 [<ffffffff8004fe60>] do_fsync+0x52/0xa4 [<ffffffff800e48c9>] __do_fsync+0x23/0x36 [<ffffffff8005d28d>] tracesys+0xd5/0xe0 INFO: task VBoxHeadless:20743 blocked for more than 120 seconds. "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. VBoxHeadless D ffffffff801563dc 0 20743 1 20742 (NOTLB) ffff8107717ebd98 0000000000000086 0000000c717ebd18 0000000000000001 0000000400000000 000000000000000a ffff810b3acfb040 ffff810c400a4040 0011dd0835789020 00000000000161a0 ffff810b3acfb228 0000000400000092 Call Trace: [<ffffffff88036e55>] :jbd:log_wait_commit+0xa3/0xf5 [<ffffffff800a34a8>] autoremove_wake_function+0x0/0x2e [<ffffffff8803179a>] :jbd:journal_stop+0x1d3/0x203 [<ffffffff8002f96a>] __writeback_single_inode+0x1dd/0x31c [<ffffffff800f7454>] sync_inode+0x24/0x33 [<ffffffff8804c37e>] :ext3:ext3_sync_file+0xce/0xf8 [<ffffffff8004fe60>] do_fsync+0x52/0xa4 [<ffffffff800e48c9>] __do_fsync+0x23/0x36 [<ffffffff8005d28d>] tracesys+0xd5/0xe0 Thanks

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cluster.conf validating, but cman not starting
by Dirk 05 Jun '12

05 Jun '12

Hi all, since the last yum update cman does not start any more with the following entries in /var/log/messages: > Jun 5 20:50:39 pclus1cent6-02 corosync[1852]: [MAIN ] Corosync > Cluster Engine ('1.4.1'): started and ready to provide service. > Jun 5 20:50:39 pclus1cent6-02 corosync[1852]: [MAIN ] Corosync > built-in features: nss dbus rdma snmp > Jun 5 20:50:39 pclus1cent6-02 corosync[1852]: [MAIN ] Successfully > read config from /etc/cluster/cluster.conf > Jun 5 20:50:39 pclus1cent6-02 corosync[1852]: [MAIN ] Successfully > parsed cman config > Jun 5 20:50:39 pclus1cent6-02 corosync[1852]: [MAIN ] parse error > in config: parse error in config: . > Jun 5 20:50:39 pclus1cent6-02 corosync[1852]: [MAIN ] Corosync > Cluster Engine exiting with status 8 at main.c:1680 But the cluster config is okay: > [root@pclus1cent6-02 ~]# ccs_config_validate > Configuration validates Before the last yum update the cluster config was okay, cman started. The config has not been changed. Has anyone run into this problem? Even disabling config validation in /etc/sysconfig/cman does not change this behaviour. I am lost, and my cluster does not start. Any hint or help is highly appreciated. Dirk

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Re: [CentOS] Dual NVidia cards, dual monitor
by Steven Chall 05 Jun '12

05 Jun '12

> Steven Chall wrote: > > I've just installed CentOS 6.2 on an HP xw8600 with two NVidia GeForce > > 8800 GT video cards in it. I have two Dell monitors than ran configured > > as a single contiguous desktop when this was a Windows 7 machine. I've > > only been able to access one of the two monitors under CentOS, although > > the system demonstrates some awareness of the second GPU/monitor, because > <snip> > Either install the proprietary NVidia driver, d/l from their website, by > hand, or install kmod-nvidia from elrepo, which will build it > automagically. In either case, it will install an NVidia control panel in > your menus, and you can select twinview. > > mark, on a Dell Precision with that as he types > <snip> Thanks, Mark, B.J., the elrepo route worked. There was a small hitch in that the "Twinview" option wasn't available (it was present but grayed out) on the NVidia control panel, but entering nvidia-xconfig --twinview on the command line as root did the trick. Steve -Steve Chall Senior Research Software Developer Renaissance Computing Institute (RENCI) Phone: 919-681-9639 Email: stevec(a)renci.org

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Discuss June 2012