Discuss June 2011

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206 participants
140 discussions

pam_succeed_if
by Daniel De Marco 10 Jun '11

10 Jun '11

Hi, The default system-auth file for PAM on CentOS has the following auth section: auth required pam_env.so auth sufficient pam_unix.so nullok try_first_pass auth requisite pam_succeed_if.so uid >= 500 quiet auth required pam_deny.so What's the use of the pam_succeed_if line? It will only be reached if the pam_unix doesn't succeed and from my understanding it will prevent system accounts from logging in. Is it useless or am I missing something? Thanks, Daniel.

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Cloning LVM
by Christopher Hearn 10 Jun '11

10 Jun '11

I have a workstation with two separate drives set up with LVM. I'm buying an LSI RAID controller to set up mirrored drives. I'd like to clone the existing drives over to the new mirrored drives somehow, but not sure the best way to do it. The original drives & their respective replacements are all identical in size (250GB + 1TB). I thought about using Clonezilla but wasn't sure how LVM would handle the /dev devices changing. Any suggestions? Thanks, Chris

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Vim scripting - cursor motion
by Jussi Hirvi 10 Jun '11

10 Jun '11

I am working on my first vim script. The script is supposed to do some find/replace on a file, then save the file with a new name and quit vim. I will save the script in a file and then call it from a bash script like this: vim path-to-the-file -s path-to-my-script Maybe I have not found the right resources. I can find/replace with expressions that are similar to those I use manually, for example: :% s/\t/","/g Then I should add something to the beginning of file (line 1, char 1). And append something to the end of the file (last line, last char). But I cannot find a way to do this. Should I move the cursor (and how?), or what? - Jussi

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High system load but low cpu usage
by Emmanuel Noobadmin 10 Jun '11

10 Jun '11

I'm trying to figure out what's causing an average system load of 3+ to 5+ on an Intel quad core. The server has with 2 KVM guests (assigned 1 core and 2 cores) that's lightly loaded (0.1~0.4) each. Both guest/host are running 64bit CentOS 5.6 Originally I suspected maybe it's i/o but on checking, there is very little i/o wait % as well. Plenty of free disk space available on all physical drives and memory sufficient for the usage with barely any swap in use. While performance/responsiveness of the host and guests doesn't seem to be affected, I'm still concerned about this odd load figures. Would appreciate it if anybody can suggest what else I should be looking at? Output of various commands on the host: Top === top - 15:15:39 up 5 days, 8:48, 1 user, load average: 4.76, 4.18, 4.43 Tasks: 210 total, 1 running, 209 sleeping, 0 stopped, 0 zombie Cpu(s): 4.1%us, 2.5%sy, 0.0%ni, 76.4%id, 17.0%wa, 0.0%hi, 0.1%si, 0.0%st Mem: 3759496k total, 2813076k used, 946420k free, 357300k buffers Swap: 8193016k total, 5648k used, 8187368k free, 736640k cached free -m ====== total used free shared buffers cached Mem: 3671 2750 921 0 348 719 -/+ buffers/cache: 1682 1989 Swap: 8000 5 7995 vmstat 3 ====== procs -----------memory---------- ---swap-- -----io---- --system-- -----cpu----- r b swpd free buff cache si so bi bo in cs us sy id wa st 2 0 5648 949072 357096 735788 0 0 105 50 17 22 2 1 95 1 0 0 0 5648 949428 357104 735788 0 0 44 2682 14142 14697 6 4 84 6 0 0 0 5648 949304 357104 735788 0 0 1 324 14047 14753 2 1 96 1 0 1 1 5648 946916 357104 735788 0 0 0 215 14410 14496 2 2 90 6 0 0 0 5648 946520 357104 735788 0 0 23 267 13703 14664 2 2 91 6 0 sar === 02:40:01 PM CPU %user %nice %system %iowait %steal %idle 02:50:01 PM all 2.17 0.00 2.18 4.30 0.00 91.35 03:00:01 PM all 2.47 0.00 2.23 3.57 0.00 91.73 03:10:01 PM all 2.29 0.00 2.07 3.77 0.00 91.87 03:20:01 PM all 2.63 0.00 2.07 3.28 0.00 92.03 Average: all 2.39 0.00 1.95 4.77 0.00 90.89

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Revisor
by Deivison Moraes 10 Jun '11

10 Jun '11

Hello,some of youare familiar withtherevisor,andcanhelp me withit? I wonderif therevisorishowtopick,withtheCentOSinstalledonlyintext modealsoworks, andalsoI'm having someproblems withpackagedependenciesare missing somepackagesto installtherevisorbut stillcan not find... Error:MissingDependency: python(abi)>=2.4isneededbypackagereviewer Error:MissingDependency:pykickstartis needed bypackagereviewer Error:MissingDependency: python(abi)=2.4isneededbypackagereviewer Error:MissingDependency:yum>=3isneededbypackagereviewer Error:MissingDependency:squashfs-toolspackageisneededbyreviewer Error:MissingDependency:notify-pythonis needed bypackagereviewer Grateful -- Deivison Moraes

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NTLM auth fails after upgrade to centos 5.6
by Tom Diehl 09 Jun '11

09 Jun '11

Hi, I upgraded a working centos5.5 with squid using ntlm auth to centos 5.6 today. After doing so squid failed to authenticate. Downgrading samba3x to samba3x-3.3.8-0.52.el5_5.2 got things working again. In the squid config I have, auth_param ntlm program /usr/bin/ntlm_auth --helper-protocol=squid-2.5-ntlmssp in the squid config and this was working until the upgrade. testparm shows no errors and the logs do not indicate a problem except that authentication fails. With samba3x-3.5.4-0.70.el5_6.1.x86_64 installed the following command fails: /usr/bin/ntlm_auth --username=myuser with the following error: [2011/06/09 10:21:19.538041, 2] winbindd/winbindd_pam.c:2001(winbindd_dual_pam_auth_crap) NTLM CRAP authentication for user [mydomain]\[myuser] returned NT_STATUS_INVALID_HANDLE (PAM: 4) with samba3x-3.3.8-0.52.el5_5.2 I get the following: (indy pts3) # /usr/bin/ntlm_auth --username=myuser password: NT_STATUS_OK: Success (0x0) (indy pts3) # [2011/06/09 18:18:30, 2] passdb/pdb_ldap.c:init_sam_from_ldap(571) init_sam_from_ldap: Entry found for user: myuser [2011/06/09 18:18:30, 2] auth/auth.c:check_ntlm_password(308) check_ntlm_password: authentication for user [myuser] -> [myuser] -> [myuser] succeeded Has anyone else seen this behavior? Regards, -- Tom Diehl tdiehl(a)rogueind.com Spamtrap address mtd123(a)rogueind.com

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Re: [CentOS] Looking for gfs2-kmod SRPM
by centoslistbrian＠nym.hush.com 09 Jun '11

09 Jun '11

This is kind of figured out now. The actual RPM I'm using is from the debuginfo repo here: http://debuginfo.centos.org/5/x86_64/gfs2-kmod-debuginfo-1.92-1.1.el5_2.2.x… The contents of the RPM are identical to the RedHat RPM: http://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/x86_64/Debu… The problem here is that the source included in the debuginfo RPM does not match the binary. When running the binary, I get "f:q" in my gfs2_tool lockdump output, which definitely cannot happen given the source code in the RPM. It appears that this patch has been applied during compilation. https://www.redhat.com/archives/cluster-devel/2011-May/msg00037.html But the patch is not applied to the source code included. Clearly this is not a CentOS issue as the RedHat RPM is wrong too, so this is just informational to close out the issue. Brian On 11-06-2011 at 2:05 AM, John Doe <jdmls(a)yahoo.com> wrote: > >From: "centoslistbrian(a)nym.hush.com" <centoslistbrian(a)nym.hush.com> > >> I'm searching for the SRPM corresponding to this installed RPM. >> % yum list | grep gfs2 >> gfs2-kmod-debuginfo.x86_64 1.92-1.1.el5_2.2 >> It is missing from: >> http://msync.centos.org/centos-5/5/os/SRPMS/ > >How can you expect to find a CentOS srpm for a package that does >not come from CentOS...? >As you can see, http://msync.centos.org/centos-5/5/os/i386/CentOS/ >only lists gfs2-utils > >JD >_______________________________________________ >CentOS mailing list >CentOS(a)centos.org >http://lists.centos.org/mailman/listinfo/centos

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Re: [CentOS] Possible to use multiple disk to bypass I/O wait?
by Emmanuel Noobadmin 09 Jun '11

09 Jun '11

On 6/9/11, Mathias Burén <mathias.buren(a)gmail.com> wrote: > The first thing that comes to my mind: Have you tried another IO scheduler? and the first thing that came to this noob's mind was: Wait, you mean there's actually more than one? AND I get to choose? I'll probably be experimenting with deadline and anticipatory since the i/o wait seems to be due to the disk running back and fro trying to serve the file scan as well as legit read request so having that small wait for reads in the same area sounds like it would help.

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CentOS-announce Digest, Vol 76, Issue 3
by centos-announce-request＠centos.org 09 Jun '11

09 Jun '11

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. CESA-2011:0859 Moderate CentOS 5 x86_64 cyrus-imapd Update (Karanbir Singh) 2. CESA-2011:0859 Moderate CentOS 5 i386 cyrus-imapd Update (Karanbir Singh) 3. CESA-2011:0862 Moderate CentOS 5 x86_64 subversion Update (Karanbir Singh) 4. CESA-2011:0862 Moderate CentOS 5 i386 subversion Update (Karanbir Singh) ---------------------------------------------------------------------- Message: 1 Date: Wed, 8 Jun 2011 20:42:26 +0000 From: Karanbir Singh <kbsingh(a)centos.org> Subject: [CentOS-announce] CESA-2011:0859 Moderate CentOS 5 x86_64 cyrus-imapd Update To: centos-announce(a)centos.org Message-ID: <20110608204226.GA7296(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2011:0859 Moderate Upstream details at : https://rhn.redhat.com/errata/RHSA-2011-0859.html The following updated files have been uploaded and are currently syncing to the mirrors: ( md5sum Filename ) x86_64: d37b0693363e531541c8318e89a6c6db cyrus-imapd-2.3.7-7.el5_6.4.x86_64.rpm eeac95e6cac1042ecb3da5661bcc11ea cyrus-imapd-devel-2.3.7-7.el5_6.4.i386.rpm 77294ef6fe9eef5d58e5723792422a74 cyrus-imapd-devel-2.3.7-7.el5_6.4.x86_64.rpm 0eb5d5beee6135093fbfa03622eee610 cyrus-imapd-perl-2.3.7-7.el5_6.4.x86_64.rpm b2db4fda2d3a3ecb845f8d7e5ae32c7c cyrus-imapd-utils-2.3.7-7.el5_6.4.x86_64.rpm Source: df42a3ba3d217583e6bfda46530c4184 cyrus-imapd-2.3.7-7.el5_6.4.src.rpm -- Karanbir Singh CentOS Project { http://www.centos.org/ } irc: z00dax, #centos(a)irc.freenode.net ------------------------------ Message: 2 Date: Wed, 8 Jun 2011 20:42:26 +0000 From: Karanbir Singh <kbsingh(a)centos.org> Subject: [CentOS-announce] CESA-2011:0859 Moderate CentOS 5 i386 cyrus-imapd Update To: centos-announce(a)centos.org Message-ID: <20110608204226.GA7283(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2011:0859 Moderate Upstream details at : https://rhn.redhat.com/errata/RHSA-2011-0859.html The following updated files have been uploaded and are currently syncing to the mirrors: ( md5sum Filename ) i386: 643fcb6b921f9a497d33e3ba17e6e3fa cyrus-imapd-2.3.7-7.el5_6.4.i386.rpm e212ffb4b42601778061b885607c5923 cyrus-imapd-devel-2.3.7-7.el5_6.4.i386.rpm 02f97044ea9f5a5ce9f433073f1ca288 cyrus-imapd-perl-2.3.7-7.el5_6.4.i386.rpm 6744f92f98e7f05854d5e9eb83fecf2a cyrus-imapd-utils-2.3.7-7.el5_6.4.i386.rpm Source: df42a3ba3d217583e6bfda46530c4184 cyrus-imapd-2.3.7-7.el5_6.4.src.rpm -- Karanbir Singh CentOS Project { http://www.centos.org/ } irc: z00dax, #centos(a)irc.freenode.net ------------------------------ Message: 3 Date: Wed, 8 Jun 2011 22:32:53 +0000 From: Karanbir Singh <kbsingh(a)centos.org> Subject: [CentOS-announce] CESA-2011:0862 Moderate CentOS 5 x86_64 subversion Update To: centos-announce(a)centos.org Message-ID: <20110608223253.GA7707(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2011:0862 Moderate Upstream details at : https://rhn.redhat.com/errata/RHSA-2011-0862.html The following updated files have been uploaded and are currently syncing to the mirrors: ( md5sum Filename ) x86_64: 973a6a5255be2a3006919d3874fb23d5 mod_dav_svn-1.6.11-7.el5_6.4.x86_64.rpm 5a4834151a28f065847200401c49febc subversion-1.6.11-7.el5_6.4.i386.rpm 9c9687342fa17e080283b6d52f011c4a subversion-1.6.11-7.el5_6.4.x86_64.rpm 3b211b6828fc002dadee128e154d76da subversion-devel-1.6.11-7.el5_6.4.i386.rpm ce33eb62c383b7b6ffb5bb5576c9b69e subversion-devel-1.6.11-7.el5_6.4.x86_64.rpm 166353f7df90760ed81910faa1b7fbbe subversion-javahl-1.6.11-7.el5_6.4.x86_64.rpm 2b656c4760b5c2f899470c504743fa9a subversion-perl-1.6.11-7.el5_6.4.x86_64.rpm a8cfa89bb777c5086dc228d41f790f51 subversion-ruby-1.6.11-7.el5_6.4.x86_64.rpm Source: 614a8a3175d0c28eda7c3173e647166c subversion-1.6.11-7.el5_6.4.src.rpm -- Karanbir Singh CentOS Project { http://www.centos.org/ } irc: z00dax, #centos(a)irc.freenode.net ------------------------------ Message: 4 Date: Wed, 8 Jun 2011 22:32:53 +0000 From: Karanbir Singh <kbsingh(a)centos.org> Subject: [CentOS-announce] CESA-2011:0862 Moderate CentOS 5 i386 subversion Update To: centos-announce(a)centos.org Message-ID: <20110608223253.GA7694(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2011:0862 Moderate Upstream details at : https://rhn.redhat.com/errata/RHSA-2011-0862.html The following updated files have been uploaded and are currently syncing to the mirrors: ( md5sum Filename ) i386: cbcd5719b1bab3b84609642bd3a04c1f mod_dav_svn-1.6.11-7.el5_6.4.i386.rpm 886f9a5c9aeeaf932889d3abcd28b546 subversion-1.6.11-7.el5_6.4.i386.rpm 5441b7259c107254e296544dc5efa6c3 subversion-devel-1.6.11-7.el5_6.4.i386.rpm 93cf5226c3dacaee83a370a42ba4a8c4 subversion-javahl-1.6.11-7.el5_6.4.i386.rpm 91f06d200316539e406bde900270cd4f subversion-perl-1.6.11-7.el5_6.4.i386.rpm 0630854485082c9e5e1f851155b7b5ca subversion-ruby-1.6.11-7.el5_6.4.i386.rpm Source: 614a8a3175d0c28eda7c3173e647166c subversion-1.6.11-7.el5_6.4.src.rpm -- Karanbir Singh CentOS Project { http://www.centos.org/ } irc: z00dax, #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 76, Issue 3 **********************************************

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Paypal phishing warning
by MR ZenWiz 09 Jun '11

09 Jun '11

Sorry for the cross-post, and off-topic at that, but: This morning I received a very authentic looking email from info.paypal.com, claiming that Paypal wanted me to update my browser. (Really.) It had my name in it and all the right graphics and colors and everything. Except that the from site was info.paypal.com (whoever they are: hint - not paypal.com) and the links all had long obfuscated links in them. I verified with paypal that it was not legitimate, so I though you might all be warned as well. You may now return to the appropriate technical discussions....

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Discuss June 2011