Discuss December 2013

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176 participants
154 discussions

MySQL stale socket
by Luigi Rosa 20 Dec '13

20 Dec '13

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 I have a server with a faulty power supply that resets the server every 4/5 hours. While I wait for the supplier to change the PS, I am facing an issue with MySQL. When the system comes back on, mysqld script starts the daemon, but the connections via /var/lib/mysql/mysql.sock don't work because MySQL doesn't delete and recreate the stale socket. Apart from editing /etc/init.d/mysqld to force the deletion of a stale socket are there any other way to solve this issue? Thank you un advance. Ciao, luigi - -- / +--[Luigi Rosa]-- \ Microsoft may issue tablets by Christmas. No word yet on whether they'll contain potassium cyanide or saxitoxin. --fark.com -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.14 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iEYEARECAAYFAlKuzTMACgkQ3kWu7Tfl6ZRW6gCfaU56Jcayg7TfZU9b0vTkTJXs m7EAoM7ROhaRk+x+3C0+ygi/Xk+2PKke =BWy2 -----END PGP SIGNATURE-----

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Simple-Scan
by Joseph Hesse 20 Dec '13

20 Dec '13

Hi, I just upgraded from 6.4 to 6.5. In 6.4 I had a scanner program "simple-scan". I can't seem to get it for 6.5. I tried the elrepo and forge repositories but they are not available there. I tried to rebuild it from source but that didn't work. Any suggestions would be appreciated. FYI: My Fujitsu scanner is not TWAIN compliant but it works with "simple-scan". Thank you, Joe

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CentOS-announce Digest, Vol 106, Issue 12
by centos-announce-request＠centos.org 20 Dec '13

20 Dec '13

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-2013:1857 CentOS 6 openssl Update (Johnny Hughes) 2. CEBA-2013:1858 CentOS 6 systemtap Update (Johnny Hughes) 3. CESA-2013:1861 Moderate CentOS 6 nss Update (Johnny Hughes) 4. CESA-2013:1861 Moderate CentOS 5 nss Update (Johnny Hughes) 5. CESA-2013:1866 Moderate CentOS 6 ca-certificates Update (Johnny Hughes) ---------------------------------------------------------------------- Message: 1 Date: Thu, 19 Dec 2013 11:54:07 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CEBA-2013:1857 CentOS 6 openssl Update To: centos-announce(a)centos.org Message-ID: <20131219115407.GA48755(a)n04.lon1.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2013:1857 Upstream details at : https://rhn.redhat.com/errata/RHBA-2013-1857.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: 5b47240202bc7d6178d8cb373e6ce2e766a390d19ee6792f6263ccf4a94a2573 openssl-1.0.1e-16.el6_5.1.i686.rpm 117089181b271984ce2b784216e9dcf6fd644d4999219ca7ad2136c1d08004d3 openssl-devel-1.0.1e-16.el6_5.1.i686.rpm 4428673f7eb08c419a1ba52738c468debc47b1aa4a382247beae1c92847ff840 openssl-perl-1.0.1e-16.el6_5.1.i686.rpm f3a48e3b9260fdafe7dd82a797e058a6b0cca3c40cd8490eaaeaa560a5b239fb openssl-static-1.0.1e-16.el6_5.1.i686.rpm x86_64: 5b47240202bc7d6178d8cb373e6ce2e766a390d19ee6792f6263ccf4a94a2573 openssl-1.0.1e-16.el6_5.1.i686.rpm 4f180eaa172c9f12e17b8231d2677cdf0467f2c7e61ad8fb7f6f5f040cf2bfe2 openssl-1.0.1e-16.el6_5.1.x86_64.rpm 117089181b271984ce2b784216e9dcf6fd644d4999219ca7ad2136c1d08004d3 openssl-devel-1.0.1e-16.el6_5.1.i686.rpm 694aaacd1c0acd20bc2fc1b11e31a7ef1c1d800f2cf91874cb6b074ceb0fb4ed openssl-devel-1.0.1e-16.el6_5.1.x86_64.rpm 5f4cbf00d66e7d416ca185fc6c2d7d6e57468307d82711a4085577106fb5aaf5 openssl-perl-1.0.1e-16.el6_5.1.x86_64.rpm 194725525331d44e597777b1e12a6b103c0f79810a2096d503e9c44006bfb97f openssl-static-1.0.1e-16.el6_5.1.x86_64.rpm Source: 3667ff1ca1fcfab4083722de8f5923e9eb2ffa1cd842afd9e356acfa6ab0ca9e openssl-1.0.1e-16.el6_5.1.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ Message: 2 Date: Thu, 19 Dec 2013 16:03:40 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CEBA-2013:1858 CentOS 6 systemtap Update To: centos-announce(a)centos.org Message-ID: <20131219160340.GA56941(a)n04.lon1.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2013:1858 Upstream details at : https://rhn.redhat.com/errata/RHBA-2013-1858.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: 44c4a9c1d76fd1d64fb959a58507b15d3137d102848ee46929180dd618d2aebd systemtap-2.3-4.el6_5.i686.rpm a6d4bb8e6a7ef344b1f97b85c173a0333fc3cb832180599b89960f82d7f09244 systemtap-client-2.3-4.el6_5.i686.rpm 10c2cef31f5d865cbc927305b1221bd2e5d0aee6ea4a6ac14390b446c6570f59 systemtap-devel-2.3-4.el6_5.i686.rpm 17bb213b498cda052a8a82af89f04275e405bca0017faf68f03fbdcd4bd84950 systemtap-initscript-2.3-4.el6_5.i686.rpm 779c9984cc5084599a29e57f5a5f610f6c8d6a41ba38787668b36c7bd0fa1086 systemtap-runtime-2.3-4.el6_5.i686.rpm 33b23856f0cbf967079ac232fe658a3f9afe28fe862b28efa13e52818fe3374f systemtap-sdt-devel-2.3-4.el6_5.i686.rpm 1aa4d984bfe963bbbe81e272df90f21f75abe10aec35a443833f16251f5738c3 systemtap-server-2.3-4.el6_5.i686.rpm dc2eae47b7dd43e27f6652b4f1d77f41d8d235adf6ad5e18cb3b24803351cf0a systemtap-testsuite-2.3-4.el6_5.i686.rpm x86_64: 41456c8bccc726fe61e26adb69826c1b6dc050c8fdbfb54d33dadb9cde594e20 systemtap-2.3-4.el6_5.x86_64.rpm 773e6ad481b6fa0fb528192b7df4b9fc214fdd9d62962ee152415980e7e01d04 systemtap-client-2.3-4.el6_5.x86_64.rpm 166c72baa26ed865917cf427e71b289013c1002bd2d4d74308ba92f8e3ee0c62 systemtap-devel-2.3-4.el6_5.x86_64.rpm 3b95a538cfc7f6a3d653c286f89f49dfcaeb5fb555cf95a950d3cac3119f68a8 systemtap-initscript-2.3-4.el6_5.x86_64.rpm 6ab7196f9718acc5429bf34596a79b32f35accee5d45f84adb97a5e19d51adbe systemtap-runtime-2.3-4.el6_5.x86_64.rpm 33b23856f0cbf967079ac232fe658a3f9afe28fe862b28efa13e52818fe3374f systemtap-sdt-devel-2.3-4.el6_5.i686.rpm d80f4cc68b31c0b577cf705bc86b784bb0cc60b4f850150511028db18110fe0c systemtap-sdt-devel-2.3-4.el6_5.x86_64.rpm 32b979ae0f44f0eef4512c3d173a784698844aba1936e0d22e6cdf9c57fb6db5 systemtap-server-2.3-4.el6_5.x86_64.rpm 453fd7c82ee09e66cbe5b52b62ace1bd69b82498b0ca35e931325433fce3ed0c systemtap-testsuite-2.3-4.el6_5.x86_64.rpm Source: d8c167e388f32d3fedd205b2e69a37209d0b9635a00bbceae33ebd37e48ea04c systemtap-2.3-4.el6_5.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ Message: 3 Date: Thu, 19 Dec 2013 23:59:42 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CESA-2013:1861 Moderate CentOS 6 nss Update To: centos-announce(a)centos.org Message-ID: <20131219235942.GA2320(a)n04.lon1.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2013:1861 Moderate Upstream details at : https://rhn.redhat.com/errata/RHSA-2013-1861.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: 23d491907726380c610e22899f10e2efab3ae0bfbbd046ac357b8dfc342439cc nss-3.15.3-3.el6_5.i686.rpm 806e83d8093c4092075b6dab63d1bc63d053eddf19f3f90e5c4eaaa8d9db0187 nss-devel-3.15.3-3.el6_5.i686.rpm 5db2c5ef5ce75e0fbf30396766b0b414890ba6f4834d62f3a0c8853cf5029076 nss-pkcs11-devel-3.15.3-3.el6_5.i686.rpm 9dc1f7f4bc9a10f9ce0e5f557388a344394731fa3e960fe93ef5404659e6dfb6 nss-sysinit-3.15.3-3.el6_5.i686.rpm ecb4656dc48bea3192beede1984e5991fb9c7e15fe2c7c3b272688e12f486ae7 nss-tools-3.15.3-3.el6_5.i686.rpm x86_64: 23d491907726380c610e22899f10e2efab3ae0bfbbd046ac357b8dfc342439cc nss-3.15.3-3.el6_5.i686.rpm 63e759c9fcd785e64de6418bdc76562f4fa713b4d68121d700e7b7b4cad0000d nss-3.15.3-3.el6_5.x86_64.rpm 806e83d8093c4092075b6dab63d1bc63d053eddf19f3f90e5c4eaaa8d9db0187 nss-devel-3.15.3-3.el6_5.i686.rpm 0435f01abe1c028b13060a40b13cd0dcc34b3a50fdbd3345bf5d8b7d9fdab896 nss-devel-3.15.3-3.el6_5.x86_64.rpm 5db2c5ef5ce75e0fbf30396766b0b414890ba6f4834d62f3a0c8853cf5029076 nss-pkcs11-devel-3.15.3-3.el6_5.i686.rpm c845b62b63ed82408f145352a1bfc78cd9c6ff201b6a277421340f3d381b813b nss-pkcs11-devel-3.15.3-3.el6_5.x86_64.rpm 26c38e15497fad8f4992eea537e7a72a1211bcbba58688649a17b0b3c88399ca nss-sysinit-3.15.3-3.el6_5.x86_64.rpm 1da1670059eea6078b8625b6bef9cf563fcfd30cac341c9357e1ca6c04daa4f1 nss-tools-3.15.3-3.el6_5.x86_64.rpm Source: 3f1d30681ef738d594827fc17e11cbe570967af0c6191f220e7e4caa63e2f100 nss-3.15.3-3.el6_5.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ Message: 4 Date: Fri, 20 Dec 2013 00:04:42 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CESA-2013:1861 Moderate CentOS 5 nss Update To: centos-announce(a)centos.org Message-ID: <20131220000442.GA12899(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2013:1861 Moderate Upstream details at : https://rhn.redhat.com/errata/RHSA-2013-1861.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: d7117deb990536772a8727c71a69319ebb0509a3b6290141a17ef20f379d4c1a nss-3.15.3-4.el5_10.i386.rpm 24a8a65d741aa1082a9d3f4d54f1045593e3b16dc50cff22657d5d99b119e65b nss-devel-3.15.3-4.el5_10.i386.rpm 97d034c3a756e5cea80526acaeeca8efb177071bf039f59b81300e315714995b nss-pkcs11-devel-3.15.3-4.el5_10.i386.rpm 9cdf672bc53efb4498c88f69c68b7c3aacc687b65af3b6394527d3de4f2c2c11 nss-tools-3.15.3-4.el5_10.i386.rpm x86_64: d7117deb990536772a8727c71a69319ebb0509a3b6290141a17ef20f379d4c1a nss-3.15.3-4.el5_10.i386.rpm ced9c7dbe565df9e6d0a0cf8d8550e23456aa5961fee337040bae0dc8c7a983c nss-3.15.3-4.el5_10.x86_64.rpm 24a8a65d741aa1082a9d3f4d54f1045593e3b16dc50cff22657d5d99b119e65b nss-devel-3.15.3-4.el5_10.i386.rpm eb18ad5ee36d0d3ce11cd0f49f54d7576abaadb975b9f71a52ed491bf7c79e75 nss-devel-3.15.3-4.el5_10.x86_64.rpm 97d034c3a756e5cea80526acaeeca8efb177071bf039f59b81300e315714995b nss-pkcs11-devel-3.15.3-4.el5_10.i386.rpm 6a5f910f522a3a88c7fd1e9630476503f8a911a894cdb877ae14739e2222164b nss-pkcs11-devel-3.15.3-4.el5_10.x86_64.rpm 7072d3fa156ceeac3235251d1194be970c13511a9bf316fd02abff92c89338ab nss-tools-3.15.3-4.el5_10.x86_64.rpm Source: 7b2781959d88ca7a7e937cec416cb8c3c15936a871c80416121675c19b91c72f nss-3.15.3-4.el5_10.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ Message: 5 Date: Fri, 20 Dec 2013 02:31:29 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CESA-2013:1866 Moderate CentOS 6 ca-certificates Update To: centos-announce(a)centos.org Message-ID: <20131220023129.GA9659(a)n04.lon1.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Security Advisory 2013:1866 Moderate Upstream details at : https://rhn.redhat.com/errata/RHSA-2013-1866.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: 0be308133a2a743d0d7afc67c4c1581bcce8c06da8e0f8bec3d68bbcbe5850f3 ca-certificates-2013.1.95-65.1.el6_5.noarch.rpm x86_64: 0be308133a2a743d0d7afc67c4c1581bcce8c06da8e0f8bec3d68bbcbe5850f3 ca-certificates-2013.1.95-65.1.el6_5.noarch.rpm Source: b9f88775cb71a1d83b80ce26858d33368228b79cd0e6f89e60f8a12fe23b951d ca-certificates-2013.1.95-65.1.el6_5.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 106, Issue 12 ************************************************

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Headless system
by Ashley M. Kirchner 20 Dec '13

20 Dec '13

So I'm in a bit of a pickle ... I have a machine that needs to be repurposed from WinXP to CentOS. I downloaded the CentOS DVD and all then realized ... I don't have a keyboard/mouse for the machine. It only has USB ports on it, and I don't have a single available USB keyboard that I can plug in. Bit of a problem. Usually what I do is install via VNC anyway, but that is contingent on me already having something on the machine that allows me to connect to it so that when it boots up, I can edit the boot parameters and enable VNC. I don't have that this time. So, the question is: can I make a DVD image that starts the installer with VNC options set and if so, how do I go about that?

7 10

CentOS, linux and kernel version
by Jayadevan Maymala 20 Dec '13

20 Dec '13

Hi, I am using CentOS 6.4. uname -r gives me 3.9.3-x86_64 Kernel version is 2.6.32. My questions - What is 3.9? In Ubuntu, uname -r and /boot give the same version numbers. Do we have a mapping of CentOS versions, the numbers like 3.9 and kernel versions maintained somewhere? Regards, Jayadevan

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RHEL 7 Beta is now public
by Karanbir Singh 19 Dec '13

19 Dec '13

Hi, http://ftp.redhat.com/redhat/rhel/beta/7/ Go get it ( maybe consider using a mirror ), play with it, test it, and file reports. Dont use it in production. As in the past, we highly encourage people to use the official beta builds from Red Hat and to report issues at http://bugzilla.redhat.com/ Within CentOS, we are going to do a CentOS7Beta1 build to match the release upsteam, and do it in a manner that allows lots of people to get involved and track progress. Keep an eye out on posts on the centos-devel list to see how you can get involved and help with the CentOS Builds and testing process. Regards, -- Karanbir Singh +44-207-0999389 | http://www.karan.org/ | twitter.com/kbsingh GnuPG Key : http://www.karan.org/publickey.asc

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Re: [CentOS] ZFS on Linux testing
by Chuck Munro 19 Dec '13

19 Dec '13

On 12/19/2013, 04:00 , lists(a)benjamindsmith.com wrote: > BackupPC is a great product, and if I knew of it and/or it was available > when I started, I would likely have used it instead of cutting code. Now > that we've got BackupBuddy working and integrated, we aren't going to be > switching as it has worked wonderfully for a decade with very few issues > and little oversight. > > I would differentiate BackupBuddy in that there is no "incremental" and > "full" distinction. All backups are "full" in the truest sense of the > word, and all backups are stored as native files on the backup server. > This works using rsync's hard-link option to minimize wasted disk space. > This means that the recovery process is just copying the files you need. > Also, graceful recovery for downtime and optimistic disk space usage are > both very nice. (it will try to keep as many backup savepoints as it can > disk space depending) > > I'm evaluating ZFS and will likely include some features of ZFS into > BBuddy as we integrate these capabilities into our backup processes. > We're free to do this in part because we have redundant backup sets, so > a single failure wouldn't be catastrophic in the short/medium term. > > -Ben I would agree that BackupPC is a great tool, stable and well respected, and I have to admit I didn't give it a fair chance before moving on to a simple, crude homebrew solution many years ago. One thing I neglected to mention about using inotify+lsync for a near-real-time secondary file server is that if the primary server croaks, I can quickly switch users to the secondary. When the primary server is repaired, a one-shot rsync to it brings it back to the current state of users' files. This conflicts a bit with non-deletion of old files on the secondary, but it keeps users going while repairs are made. I haven't had to use this trick ... yet. ZFS Raid-z3 and disk hot swap have done their jobs well so far. I'm toying with the idea of keeping a marker file on the secondary whose timestamp can be used to limit rsync back to the primary to only those files which got added while the secondary was being used. That would take care of the non-deleted files issue on the secondary. Fortunately there are no database files involved in any of this. Chuck

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CentOS-announce Digest, Vol 106, Issue 11
by centos-announce-request＠centos.org 19 Dec '13

19 Dec '13

1 0

Re: [CentOS] ZFS on Linux testing
by Chuck Munro 19 Dec '13

19 Dec '13

On 12/18/2013, 04:00 , lists(a)benjamindsmith.com wrote: > I may be being presumptuous, and if so, I apologize in advance... > > It sounds to me like you might consider a disk-to-disk backup solution. > I could suggest dirvish, BackupPC, or our own home-rolled rsync-based > solution that works rather well:http://www.effortlessis.com/backupbuddy/ > > Note that with these solutions you get multiple save points that are > deduplicated with hardlinks so you can (usually) keep dozens of save > points in perhaps 2x the disk space of a single copy. Also, because of > this, you can go back a few days / weeks / whatever when somebody > deletes a file. In our case, we make the backed up directories available > via read-only ftp so that end users can recover their files. > > I don't know if dirvish offers this, but backupbuddy also allows you to > run pre and post backup shell scripts, which we use (for example) for > off-site archiving to permanent storage since backup save points expire. > > -Ben Not presumptuous at all! I have not heard of backupbuddy (or dirvish), so I should investigate. Your description makes it sound somewhat like OS-X Time Machine, which I like a lot. I did try backuppc but it got a bit complex to manage IMHO. Thanks for the tip! Chuck

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Why the huge shmmax default setting?
by Lists 19 Dec '13

19 Dec '13

Fresh load of Centos6/64 from new ISO (downloaded 2 weeks ago?) and getting set up with PostgreSQL, one of the typical steps is to increase shmmax from its normal, conservative value (eg: 32 MB or something) to something far more aggressive. But in recent installs of CentOS 6, this value is generally huge, typically larger than the RAM installed on the machine! For example, fresh installs on systems with 32 GB of RAM, this is already set to 68719476736 (64 GB) This large value doesn't really make sense to me - can somebody explain why the change to such a large value? -Ben

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