Discuss September 2010

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225 participants
167 discussions

exclude mirror
by cornel panceac 22 Sep '10

22 Sep '10

how can i exclude certain mirrors from yum in centos 5? -- Among the maxims on Lord Naoshige's wall, there was this one: "Matters of great concern should be treated lightly." Master Ittei commented, "Matters of small concern should be treated seriously." (Ghost Dog : The Way of The Samurai)

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Kernel panic - not syncing: Attempted to kill init!
by Agnello George 22 Sep '10

22 Sep '10

I am writing a small documentation on reason(s) : why kernel panic happen !! and possible (crisp) solution(s) googling out this error throws me very hazy solutions .. if some one could suggest the possible reasons and crispy solution it would be of great documentation help to many . one great link i found was this ( http://www.linuxquestions.org/questions/linux-software-2/explained-kernel-p… init-353920/) Thanks -- Regards Agnello D'souza

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Logwatch verbosity
by Timothy Murphy 22 Sep '10

22 Sep '10

I'm getting literally hundreds of lines in my daily logwatch (under Centos-5.5), reading --------------------------------------- NULL security context for user, but SELinux in permissive mode, continuing () --------------------------------------- These began when I started running fail2ban (with shorewall), though that is probably a coincidence. In any case, what does this line mean, and is there any way of stopping it (short of stopping selinux)? -- Timothy Murphy e-mail: gayleard /at/ eircom.net tel: +353-86-2336090, +353-1-2842366 s-mail: School of Mathematics, Trinity ollege, Dublin 2, Ireland

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Recompiling CentOS's stock openssl
by Al Sparks 22 Sep '10

22 Sep '10

I'm running CentOS release 4.8. For security reasons, I have to modify openssl's ssl.h in /usr/include/openssl/. That's easy. But for the new settings to take effect, I have to recompile openssl. I do have openssl-devel installed. How do I recompile? === Al

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multipath troubleshoot
by Paras pradhan 21 Sep '10

21 Sep '10

Hi, My storage admin just assigned a Lun (fibre) to my server. Then re scanned using echo "1" > /sys/class/fc_host/host5/issue_lip echo "1" > /sys/class/fc_host/host6/issue_lip I can see the scsi device using dmesg But mpath device are not created for this LUN Pleas see below. The last 4 should be active and I think this is the problem Kernel: 2.6.18-164.11.1.el5xen , EL 5.5 -- [root@cvprd3 lvm]# multipathd -k multipathd> show paths hcil dev dev_t pri dm_st chk_st next_check 5:0:0:0 sdb 8:16 1 [active][ready] XXX....... 7/20 5:0:0:1 sdc 8:32 1 [active][ready] XXX....... 7/20 5:0:0:16384 sdd 8:48 1 [active][ready] XXX....... 7/20 5:0:0:16385 sde 8:64 1 [active][ready] XXX....... 7/20 5:0:0:32768 sdf 8:80 1 [active][ready] XXX....... 7/20 5:0:0:32769 sdg 8:96 1 [active][ready] XXX....... 7/20 5:0:0:49152 sdh 8:112 1 [active][ready] XXX....... 7/20 5:0:0:49153 sdi 8:128 1 [active][ready] XXX....... 7/20 5:0:0:2 sdj 8:144 1 [active][ready] XXX....... 7/20 5:0:0:16386 sdk 8:160 1 [active][ready] XXX....... 7/20 5:0:0:32770 sdl 8:176 1 [active][ready] XXX....... 7/20 5:0:0:49154 sdm 8:192 1 [active][ready] XXX....... 7/20 5:0:0:3 sdn 8:208 1 [active][ready] XXX....... 7/20 5:0:0:16387 sdo 8:224 1 [active][ready] XXX....... 7/20 5:0:0:32771 sdp 8:240 1 [active][ready] XXX....... 7/20 5:0:0:49155 sdq 65:0 1 [active][ready] XXX....... 7/20 5:0:0:4 sdr 65:16 1 [active][ready] XXX....... 7/20 5:0:0:16388 sds 65:32 1 [active][ready] XXX....... 7/20 5:0:0:32772 sdt 65:48 1 [active][ready] XXX....... 7/20 5:0:0:49156 sdu 65:64 1 [active][ready] XXX....... 7/20 5:0:0:5 sdv 65:80 0 [undef] [faulty] [orphan] 5:0:0:16389 sdw 65:96 0 [undef] [faulty] [orphan] 5:0:0:32773 sdx 65:112 0 [undef] [faulty] [orphan] 5:0:0:49157 sdy 65:128 0 [undef] [faulty] [orphan] multipathd> Thanks in Adv Paras.

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using NUT on centos 5
by fred smith 21 Sep '10

21 Sep '10

Hi! Trying to set up NUT on Centos 5 to monitor a CyberPower 1500AVR UPS. There seem to be many documents, all of which seem to be not fully consistent with each other, and most of them aren't up to date. I'm guessing I should be using udev rather than hal, but I'm somewhat stumped on how to figure out what device it should be monitoring. there are a bunch of udev rules installed (in /lib/udev/rules.d/52-nut-usbups.rules) but it's not at all clear to me what, if anything, I'm supposed to do with them, or how I cause udev to see them there and do its thing. there's a document at http://fedoranews.org/contributors/kazutoshi_morioka/nut/ but it doesn't show how to do it with a USB device, only serial. so I decided to move on and see if it could be made to work without that understanding, using whatever I could figure out using the INSTALL file that comes with NUT. And that isn't geting me anywhere, so far. If anyone out there has had success at setting up NUT on Centos 5 (or RHEL) and can offer any advice, I'd appreciate hearing from you. Thanks in advance! -- ---- Fred Smith -- fredex(a)fcshome.stoneham.ma.us ----------------------------- "For him who is able to keep you from falling and to present you before his glorious presence without fault and with great joy-- to the only God our Savior be glory, majesty, power and authority, through Jesus Christ our Lord, before all ages, now and forevermore! Amen." ----------------------------- Jude 1:24,25 (niv) -----------------------------

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Hole in 64-bit Linux kernel provides root rights
by Dave 21 Sep '10

21 Sep '10

>From fedora list: On Mon, Sep 20, 2010 at 4:13 AM, Zbigniew Fiedorowicz <fiedorow(a)math.ohio-state.edu> wrote: > Further story: > http://www.theregister.co.uk/2010/09/15/linux_kernel_regression_bug/ > > This is a very serious problem which puts multiuser 64-bit Linux systems > absolutely at the mercy of their least responsible users. > > I have filed a bug report: > https://bugzilla.redhat.com/show_bug.cgi?id=635675 > Priority should be high not low. On Mon, Sep 20, 2010 at 5:31 AM, Michael Cronenworth <mike(a)cchtml.com> wrote: > The fix is already in the "updates-testing" repository and awaiting > karma from the QA folks. > > # yum --enablerepo=updates-testing update kernel > > This will give you a patched kernel. > > Users of Fedora 12, 13, and 14 can perform this update. I strongly > suggest they do so ASAP. Any equivalent for centos yet? mahalo Dave

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CentOS-announce Digest, Vol 67, Issue 7
by centos-announce-request＠centos.org 21 Sep '10

21 Sep '10

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-2010:0703 Important CentOS 5 i386 bzip2 Update (Karanbir Singh) 2. CESA-2010:0703 Important CentOS 5 x86_64 bzip2 Update (Karanbir Singh) 3. CESA-2010:0703 Important CentOS 3 i386 bzip2 - security update (Tru Huynh) 4. CESA-2010:0703 Important CentOS 3 x86_64 bzip2 - security update (Tru Huynh) 5. CESA-2010:0703 Important CentOS 4 i386 bzip2 - security update (Tru Huynh) 6. CESA-2010:0703 Important CentOS 4 x86_64 bzip2 - security update (Tru Huynh) ---------------------------------------------------------------------- Message: 1 Date: Tue, 21 Sep 2010 09:46:58 +0000 From: Karanbir Singh <kbsingh(a)centos.org> Subject: [CentOS-announce] CESA-2010:0703 Important CentOS 5 i386 bzip2 Update To: centos-announce(a)centos.org Message-ID: <20100921094658.GA14176(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2010:0703 Important Upstream details at : https://rhn.redhat.com/errata/RHSA-2010-0703.html The following updated files have been uploaded and are currently syncing to the mirrors: ( md5sum Filename ) i386: 6fdfb7ea9c6cb1ab0e74b52ea8d35e8a bzip2-1.0.3-6.el5_5.i386.rpm 0d3bea176de58dd70e8dcd56c36ccdbb bzip2-devel-1.0.3-6.el5_5.i386.rpm 153bdd9cf4af6ef757445c99455f52aa bzip2-libs-1.0.3-6.el5_5.i386.rpm Source: ea8d1f7d523b83eedc64c35f0f0205cc bzip2-1.0.3-6.el5_5.src.rpm -- Karanbir Singh CentOS Project { http://www.centos.org/ } irc: z00dax, #centos(a)irc.freenode.net ------------------------------ Message: 2 Date: Tue, 21 Sep 2010 09:46:58 +0000 From: Karanbir Singh <kbsingh(a)centos.org> Subject: [CentOS-announce] CESA-2010:0703 Important CentOS 5 x86_64 bzip2 Update To: centos-announce(a)centos.org Message-ID: <20100921094658.GA14191(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2010:0703 Important Upstream details at : https://rhn.redhat.com/errata/RHSA-2010-0703.html The following updated files have been uploaded and are currently syncing to the mirrors: ( md5sum Filename ) x86_64: 91cb3aa371dc2458f7aba092df8d6759 bzip2-1.0.3-6.el5_5.x86_64.rpm 2ff6e5fccc6db6bb5223f1730d4facf4 bzip2-devel-1.0.3-6.el5_5.i386.rpm e844a66355660e1700acb7f10c620aad bzip2-devel-1.0.3-6.el5_5.x86_64.rpm 2760b26ce6aefc689f79636fbca1fb4b bzip2-libs-1.0.3-6.el5_5.i386.rpm 3e81d3cdc53c8bef9a8de5205e3e3f04 bzip2-libs-1.0.3-6.el5_5.x86_64.rpm Source: ea8d1f7d523b83eedc64c35f0f0205cc bzip2-1.0.3-6.el5_5.src.rpm -- Karanbir Singh CentOS Project { http://www.centos.org/ } irc: z00dax, #centos(a)irc.freenode.net ------------------------------ Message: 3 Date: Tue, 21 Sep 2010 11:50:54 +0200 From: Tru Huynh <tru(a)centos.org> Subject: [CentOS-announce] CESA-2010:0703 Important CentOS 3 i386 bzip2 - security update To: centos-announce(a)centos.org Message-ID: <20100921095054.GA6681(a)sillage.bis.pasteur.fr> Content-Type: text/plain; charset="us-ascii" CentOS Errata and Security Advisory CESA-2010:0703 bzip2 security update for CentOS 3 i386: https://rhn.redhat.com/errata/RHSA-2010-0703.html The following updated file has been uploaded and is currently syncing to the mirrors: i386: updates/i386/RPMS/bzip2-1.0.2-14.EL3.i386.rpm updates/i386/RPMS/bzip2-devel-1.0.2-14.EL3.i386.rpm updates/i386/RPMS/bzip2-libs-1.0.2-14.EL3.i386.rpm source: updates/SRPMS/bzip2-1.0.2-14.EL3.src.rpm You may update your CentOS-3 i386 installations by running the command: yum update bzip2\* Tru -- Tru Huynh (mirrors, CentOS-3 i386/x86_64 Package Maintenance) http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xBEFA581B

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Re: [CentOS] No live migration for xen virtual machines any more
by Pasi Kärkkäinen 21 Sep '10

21 Sep '10

On Tue, Sep 21, 2010 at 09:56:39AM -0500, Brian Cremeans wrote: > Hello, > I have the exact same problem after an update, and it does not work using > the xm command. > Thanks for any help you can offer. > Read the following logs on dom0: - "xm log" - dmesg - /var/log/messages After trying to migrate with xm. Hopefully that helps. -- Pasi > Brian L. Cremeans > OCCE IT > > > Hi folks, > > > > I have upgraded my CentOS RHCS cluster hosts to the recent packages, and > > now live migration of the xen virtual machines does not work any more: > > > > [r...@node ~]# clusvcadm -M vm:XenVM -m othernode > > Trying to migrate vm:XenVM to othernode...Invalid operation for resource > > > > I have googled the net but found no recent entries for that problem, > > just older posts. > > > > Has anyone had the same problem recently? If yes: is there any workaround? > > > > Any hint or help is appreciated. > > > > Does it work using "xm" command directly? > > -- Pasi

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Need Help
by Mwango Mutale 21 Sep '10

21 Sep '10

Dear Sir, I have been struggling to get bold letters in informix for CentoS 4.8 and I came across your article on PCL Command Sequences and I felt you could help. I have the following declarations and print command in my informix-4gl but things don't seem to get right. BoldOn CHAR(6), BoldOff CHAR(6) ----LET BoldOn = ASCII 27, ASCII '&040', ASCII '&115', ASCII '&052', ASCII '&066' ----LET BoldOff = ASCII 27, ASCII '&040', ASCII '&115', ASCII '&048', ASCII '&066' LET BoldOn = ASCII 27,"(s4B" LET BoldOff = ASCII 27,"(s0B" PRINT COLUMN 1, BoldOn CLIPPED, " ", "TO WHOM IT MAY CONCERN", BoldOff, COLUMN 54, BoldOn CLIPPED, " ", "Ref: ", BoldOff CLIPPED, r_refno PRINT COLUMN 1, BoldOn CLIPPED, " ", "This is to certify that: ", BoldOff, r_surname, " ", r_firstname and this what I am getting: ^[(s4B TO WHOM IT MAY CONCERN^[(s0B ^[(s4B Ref: ^[(s0B 9844510 ^[(s4B This is to certify that: ^[(s0B NAMONJE CAROL ^[(s4B is a registered student of the National Institute of Public Administration^[(s0B We have HP LaserJet P3005 and P3015 Printers. How can I avoid printing these charaters and instead print Bold letters ? Are there any settings I need to do in Environmental variables or CUPS settings ? Your help will highly be appreciated. Felix Mwango Mutale

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Discuss September 2010