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fixing partition alignment ?
by Laurent Wandrebeck 14 Dec '12

14 Dec '12

Hi there, I've discovered that most of the hard drives used in our cluster got misaligned partitions, thus crippling perfs. Is there any way to fix that without having to delete/recreate properly aligned partitions, then format it and refill disks ? I'd be glad not to have to toy with moving several 10s of TB disk by disk :D (most disks are JBOD as we're using a fault tolerant network FS, moosefs not to name it). <insert your favorite search engine> wasn't helpful, unfortunately. Drives are ext4, driven by C6 x86_64. Thanks, Laurent.

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Re: [CentOS] trying to get the debug version of httpd so I can use it in conjunction with gdb. [SOLVED]
by Zippy Zeppoli 13 Dec '12

13 Dec '12

Marking thread as solved. On Wed, Dec 12, 2012 at 5:56 PM, Markus Falb <markus.falb(a)fasel.at> wrote: > On 11.12.2012 10:15, Leon Fauster wrote: > > Am 11.12.2012 um 03:24 schrieb Zippy Zeppoli: > >> I am trying to get the debug version of httpd so I can use it in > >> conjunction with gdb. I am having a hard time getting them, and they > don't > >> seem to be in the standard epel-debuginfo repository. What should I do? > > > > > > http://debuginfo.centos.org/ > > yes, and there is also an yum repo for it, but disabled > $ yum --enablerepo=debug list httpd-debuginfo > -- > Kind Regards, Markus Falb > > > _______________________________________________ > CentOS mailing list > CentOS(a)centos.org > http://lists.centos.org/mailman/listinfo/centos > >

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How does Firefox work? Really?
by James B. Byrne 13 Dec '12

13 Dec '12

I have, to me, perplexing situation. I am attempting to run Firefox on a CentOS-6.3 virtual machine to which I am connected using an SSH link with X-Forwarding enabled. (ssh -Y userid(a)host.domain.tld) The reason I wish to do this is that the vm is used for development an my code coverage analysis tool produces a html format report which is read via the file:// protocol. I thought that if I ran Firefox on that host then the Firefox window would open on my local machine, which it does. I also thought that since that Firefox window was actually running as an instance on the remote vm that the file:// protocol for that Firefox would seek out files on the vm's filesystem, which it does not. Instead that Firefox instance searches the local machine's filesystem and not that of the vm from which it was launched. This seems counter-intuitive to me. What is going on? -- *** E-Mail is NOT a SECURE channel *** James B. Byrne mailto:ByrneJB@Harte-Lyne.ca Harte & Lyne Limited http://www.harte-lyne.ca 9 Brockley Drive vox: +1 905 561 1241 Hamilton, Ontario fax: +1 905 561 0757 Canada L8E 3C3

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CentOS-announce Digest, Vol 94, Issue 7
by centos-announce-request＠centos.org 13 Dec '12

13 Dec '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-2012:1570 CentOS 6 java-1.7.0-openjdk Update (Johnny Hughes) ---------------------------------------------------------------------- Message: 1 Date: Wed, 12 Dec 2012 19:46:33 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CEBA-2012:1570 CentOS 6 java-1.7.0-openjdk Update To: centos-announce(a)centos.org Message-ID: <20121212194633.GA2172(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2012:1570 Upstream details at : https://rhn.redhat.com/errata/RHBA-2012-1570.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: e72c059bdd0e7a5fb9bda9be463b29973c2d9c9fc7324a9f0ad943de192b184a java-1.7.0-openjdk-1.7.0.9-2.3.3.2.el6_3.i686.rpm d37af1896d75b3d9cc9391397d709095817479c371ecd129b42521494661c2c1 java-1.7.0-openjdk-demo-1.7.0.9-2.3.3.2.el6_3.i686.rpm d2070be80196bdcdf5c370971651257f9a65c7a7e83bd0d43a75c050bea8ce86 java-1.7.0-openjdk-devel-1.7.0.9-2.3.3.2.el6_3.i686.rpm 16bbe92b89ba2b16b9f31c8d719cb38b3b2f7bafbff9e469824b38344721bab7 java-1.7.0-openjdk-javadoc-1.7.0.9-2.3.3.2.el6_3.noarch.rpm d68f5bb2e753fb8046ebf685cf7c0cb6193086075ff48645f632bf39a9cc0ce0 java-1.7.0-openjdk-src-1.7.0.9-2.3.3.2.el6_3.i686.rpm x86_64: 41cfa81d72b2e75083cb9a317582426a0285999ddcd9954f6932123e90d9d673 java-1.7.0-openjdk-1.7.0.9-2.3.3.2.el6_3.x86_64.rpm c419432048ffa6a006d87b2ccce35d3be7db2b9041a57ca461cc5c5198c2dfd2 java-1.7.0-openjdk-demo-1.7.0.9-2.3.3.2.el6_3.x86_64.rpm 5df0cf02ae35f20d75df37b34f43014cd6337330c172ec8406ac53ea49a7ff7e java-1.7.0-openjdk-devel-1.7.0.9-2.3.3.2.el6_3.x86_64.rpm 16bbe92b89ba2b16b9f31c8d719cb38b3b2f7bafbff9e469824b38344721bab7 java-1.7.0-openjdk-javadoc-1.7.0.9-2.3.3.2.el6_3.noarch.rpm d0e338ae64791f1a577d6be6689949b8bf17c99a0b573ba379383f6d45c94597 java-1.7.0-openjdk-src-1.7.0.9-2.3.3.2.el6_3.x86_64.rpm Source: 9fbee879021b2d353ec377e82b4bce1d6cc3efb3eeefb28f54750c292fde8e7a java-1.7.0-openjdk-1.7.0.9-2.3.3.2.el6_3.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 94, Issue 7 **********************************************

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trying to get the debug version of httpd so I can use it in conjunction with gdb.
by Zippy Zeppoli 13 Dec '12

13 Dec '12

I am trying to get the debug version of httpd so I can use it in conjunction with gdb. I am having a hard time getting them, and they don't seem to be in the standard epel-debuginfo repository. What should I do? > [root@buildbox-rhel6 ~]# debuginfo-install httpd Loaded plugins: fastestmirror, presto enabling epel-debuginfo Loading mirror speeds from cached hostfile epel-debuginfo/metalink | 8.3 kB 00:00 * base: mirrors.cicku.me * epel: mirrors.kernel.org * epel-debuginfo: mirrors.kernel.org * extras: mirrors.arpnetworks.com * updates: linux.mirrors.es.net epel-debuginfo | 3.1 kB 00:00 epel-debuginfo/primary_db | 487 kB 00:01 Checking for new repos for mirrors Could not find debuginfo for main pkg: httpd-2.2.15-15.el6.centos.1.x86_64 Could not find debuginfo pkg for dependency package apr-1.3.9-5.el6_2.x86_64 Could not find debuginfo pkg for dependency package apr-util-1.3.9-3.el6_0.1.x86_64 Could not find debuginfo pkg for dependency package glibc-2.12-1.80.el6_3.6.x86_64 Could not find debuginfo pkg for dependency package glibc-2.12-1.80.el6_3.6.x86_64 Could not find debuginfo pkg for dependency package glibc-2.12-1.80.el6_3.6.x86_64 Could not find debuginfo pkg for dependency package glibc-2.12-1.80.el6_3.6.x86_64 Could not find debuginfo pkg for dependency package glibc-2.12-1.80.el6_3.6.x86_64 Could not find debuginfo pkg for dependency package glibc-2.12-1.80.el6_3.6.x86_64 Could not find debuginfo pkg for dependency package db4-4.7.25-17.el6.x86_64 Could not find debuginfo pkg for dependency package expat-2.0.1-11.el6_2.x86_64 Could not find debuginfo pkg for dependency package openldap-2.4.23-26.el6_3.2.x86_64 Could not find debuginfo pkg for dependency package openldap-2.4.23-26.el6_3.2.x86_64 Could not find debuginfo pkg for dependency package glibc-2.12-1.80.el6_3.6.x86_64 Could not find debuginfo pkg for dependency package pcre-7.8-4.el6.x86_64 Could not find debuginfo pkg for dependency package glibc-2.12-1.80.el6_3.6.x86_64 Could not find debuginfo pkg for dependency package glibc-2.12-1.80.el6_3.6.x86_64 Could not find debuginfo pkg for dependency package libselinux-2.0.94-5.3.el6.x86_64 Could not find debuginfo pkg for dependency package zlib-1.2.3-27.el6.x86_64 No debuginfo packages available to install

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SOS: Production VM not starting!
by Nikolaos Milas 12 Dec '12

12 Dec '12

I am using a VM with CentOS 5.8 x86_64 under KVM. I only have console access to the VM through a virtual console (web based). Tonight, after a routine "yum update", I did a "shutdown -r now" due to kernel update and the VM won't start. See console screenshot vm1.png: https://vmail.noa.gr/files/vm1.png There is an error (which I haven't seen before): type=1404 audit (...): selinux=0 auid=... ses= ... (see vm1.png above) (The system cannot load even with the old kernel; the same error occurs.) Note that SElinux is disabled on this system. I booted in rescue mode, and auto mount was unsuccessful (see https://vmail.noa.gr/files/vm2.png) The log of the rescue process shows some error (see https://vmail.noa.gr/files/vm4.png) However, later I successfully mounted it using: mount -t ext3 /dev/vda3 /mnt/sysimage I then did a umount and: fsck.ext3 /dev/vda3 which found it clean (see https://vmail.noa.gr/files/vm3.png) What is wrong there? Can you please guide me on how to make it work again? This is a production ftp machine. Please help to revive. Thanks, Nick

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Re: [CentOS] CONFIG_ARPD turned on in centosplus kernel.
by Akemi Yagi 12 Dec '12

12 Dec '12

On Wed, Dec 12, 2012 at 7:41 AM, Steve Clark <sclark(a)netwolves.com> wrote: > On 05/17/2012 03:13 PM, Akemi Yagi wrote: > > On Thu, May 17, 2012 at 11:33 AM, Steve Clark <sclark(a)netwolves.com> wrote: > > On 05/05/2012 04:45 PM, Akemi Yagi wrote: > > On Sat, May 5, 2012 at 12:40 PM, Steve Clark <sclark(a)netwolves.com> wrote: > > http://bugs.centos.org/view.php?id=5709 > > I actually took the latest centosplus kernel srpm and got it going in my > environment (would like to have > semi official support though ;-) ). It has been running stable for a > couple of weeks now. > > I have 4 systems setup using it and opennhrp in a DMVPN hub and spoke > arrangement. > I have 2 hubs with each of the spokes connected to each of the hubs. The > spokes would be units in the field while > the hubs would be at HQ in a failover environment using OSPF amongst them > all. > > I've updated the RFE you filed with some info. Will be nice if you > also add the above note in there. > > Akemi > _______________________________________________ > > Thanks Akemi, > > I am just preparing to test the new kernel. > > That's great. I closed the bug report thinking there would be no > response. I will reopen it so that you can add your test result. > > Akemi > > Hi Akemi, > > I just downloaded the latest plus kernel and much to my chagrin CONFIG_ARPD > is not set. > Is there a reason this has been turned back off? Opennhrp will not work > correctly with it off. > > # egrep ARPD config-2.6.32-279.14.1.el6.centos.plus.i686 > # CONFIG_ARPD is not set > Wed Dec 12 10:38:56 EST 2012 > Z703108:/boot > > # egrep ARPD config-2.6.32-220.17.1.el6.centos.plus.i686 > CONFIG_ARPD=y > Wed Dec 12 10:39:27 EST 2012 > > Regards, > Steve Hi Steve, Sorry about that. I apparently missed it when doing the config files for CentOS 6.3. So, all 6.3 cplus kernels have that option disabled. :( I reopened the bug 5709. Could you add a note there so we can track this issue? I will try to get this corrected on the next kernel update. Akemi

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Re: [CentOS] CONFIG_ARPD turned on in centosplus kernel.
by Akemi Yagi 12 Dec '12

12 Dec '12

On Thu, May 17, 2012 at 11:33 AM, Steve Clark <sclark(a)netwolves.com> wrote: > On 05/05/2012 04:45 PM, Akemi Yagi wrote: > > On Sat, May 5, 2012 at 12:40 PM, Steve Clark <sclark(a)netwolves.com> wrote: > > http://bugs.centos.org/view.php?id=5709 > > I actually took the latest centosplus kernel srpm and got it going in my > environment (would like to have > semi official support though ;-) ). It has been running stable for a > couple of weeks now. > > I have 4 systems setup using it and opennhrp in a DMVPN hub and spoke > arrangement. > I have 2 hubs with each of the spokes connected to each of the hubs. The > spokes would be units in the field while > the hubs would be at HQ in a failover environment using OSPF amongst them > all. > > I've updated the RFE you filed with some info. Will be nice if you > also add the above note in there. > > Akemi > _______________________________________________ > > Thanks Akemi, > > I am just preparing to test the new kernel. That's great. I closed the bug report thinking there would be no response. I will reopen it so that you can add your test result. Akemi

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Re: [CentOS] /tmp directory
by Jerry Geis 12 Dec '12

12 Dec '12

On 12/08/2012 06:11 AM, Reindl Harald wrote: > > Am 07.12.2012 19:55, schrieb Jerry Geis: >> Is there something that "automatically" removes files in the /tmp >> directory on a scheduled basis? Perhaps like at the start of the month >> or something. > yes, tmpwatch > >> I had a number of files stored there and they are just gone. Very odd > *lol* some people still need to learn it the hardway that > the sys /tmp folder is NOT A DATASTORAGE > > Yep - got me. Luckily I had other copied of the items. Just not on the machine I needed it at the time. Thanks, Jerry

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SIEM
by TFML 11 Dec '12

11 Dec '12

Any recommendations on a SIEM system?

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