Discuss June 2012

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178 discussions

[OT] Is there a preferred location to post Centos systems administration gigs?
by Jason Pyeron 26 Jun '12

26 Jun '12

Subject says it all. Is there a preferred location to post Centos systems administration gigs? -Jason -- -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- - - - Jason Pyeron PD Inc. http://www.pdinc.us - - Principal Consultant 10 West 24th Street #100 - - +1 (443) 269-1555 x333 Baltimore, Maryland 21218 - - - -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- This message is copyright PD Inc, subject to license 20080407P00.

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Python version fights.
by Gene Heskett 25 Jun '12

25 Jun '12

Greets; This centos6.2 system seems to have python-2.6.6, but that is turning into a huge problem because I now have a backlog of about 40 packages that will not upgrade because they all need python 2.4. That, and importing gpg keys doesn't seem to be helping in that regard. But first, how to go about down grading python to 2.4? Thanks. Cheers, Gene -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) My web page: <http://coyoteden.dyndns-free.com:85/gene> It is not every question that deserves an answer. -- Publilius Syrus

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CentOS-announce Digest, Vol 88, Issue 14
by centos-announce-request＠centos.org 25 Jun '12

25 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-2012:1035 CentOS 5 telnet FASTTRACK Update (Johnny Hughes) ---------------------------------------------------------------------- Message: 1 Date: Mon, 25 Jun 2012 11:29:52 +0000 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CEBA-2012:1035 CentOS 5 telnet FASTTRACK Update To: centos-announce(a)centos.org Message-ID: <20120625112952.GA22570(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2012:1035 Upstream details at : http://rhn.redhat.com/errata/RHBA-2012-1035.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: fa2d0bd6c2f94951334aec309dc2c0a54a1bf04e28b7519dc868456a803875ac telnet-0.17-41.el5.i386.rpm b81346fbbbfa9aabe0cce730c4625498786009306275d5045b590a91e981367d telnet-server-0.17-41.el5.i386.rpm x86_64: afe58abdf22e286fb825dd4f321c748d5c0a09dbad7174ba97db75608a0c4672 telnet-0.17-41.el5.x86_64.rpm 3cc350f4ced6c5623a9d687be4a3a7cbce8dc4858792896d68ca2f2527402a75 telnet-server-0.17-41.el5.x86_64.rpm Source: 8b7a9891f410718c09b306cb84a3f2bd02bb5517ecbe58467a86d58ba1ce829d telnet-0.17-41.el5.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 14 ***********************************************

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Re: [CentOS] reinventing the wheel? page checker
by James B. Byrne 25 Jun '12

25 Jun '12

On Fri, June 22, 2012 16:38, m.roth(a)5-cent.us wrote: > > Not true. It will issue an AVC every time something tries to happen. > Big things to know: > a) ll -Z shows you the selinux context > b) chcon [-R] -[urt] <whatever> <file or directory> > c) getsebool and setsebool > > mark If you are working with SELinux issues then the following are most helpful to have installed: setools-libs.x86_64 3.3.7-4.el6 setools-libs-python.x86_64 3.3.7-4.el6 setroubleshoot-plugins.noarch 3.0.16-1.el6 setroubleshoot-server.x86_64 3.0.38-2.1.el6 The files you need be aware of are: /var/log/messages /var/log/audit/audit.log There are several utilities to be aware (and refer to the man pages) of: # audit2allow # audit2why # ausearch # chcon # getenforce # getsebool # restorecon # sealert # semanage # semodule # setenforce # setsebool # system-config-securitylevel You will also find large measures of patience and forbearance to be of value. For issues about missing policies and contexts and developing same you should monitor the SELinix policy mailing list at refpolicy(a)oss1.tresys.com. -- *** 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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Re: [CentOS] partitions vs. LVs [was: Re: How to upgrade from 5.8 to 6.2]
by ken 25 Jun '12

25 Jun '12

On 06/24/2012 12:04 PM Steve Clark wrote: > On 06/24/2012 11:21 AM, ken wrote: >> On 06/24/2012 09:41 AM Benjamin Franz wrote: >>> On 06/24/2012 12:05 AM, Gene Heskett wrote: >>>> And what do you do when this LVM goes corrupt in about a month? I've >>>> had it self destruct on me twice. I hate it when that happens. >>> I would look for some other issue like bad hardware. Over the last >>> several years I've routinely used LVM for pretty much everything and >>> have never had it go corrupt on me except when there was a hardware >>> failure involved. My standard buildouts use LVM over RAID. >> Gene, >> >> Yeah, the problem is more than likely in your hardware. I've used it on >> hundreds of machines and since 1999 and never had a problem traceable to >> LVM. On the other hand, I've seen a lot of disks go bad. >> >> _______________________________________________ >> CentOS mailing list >> CentOS(a)centos.org >> http://lists.centos.org/mailman/listinfo/centos >> > What I don't like about LVM. at least on a personal system, is it > obfuscates where things are if you have multiple > underlying drives. You can't just do a df -h and see what the physical > layout really is. I guess there are some > pvdisplay and lvdisplay commands that can show this - but I always have > to look them up and when things go > kaflooey and your system isn't working then what - bring out the rescue > cd and hope you can figure it out. > > > -- > Stephen Clark > *NetWolves* > Director of Technology > Phone: 813-579-3200 > Fax: 813-882-0209 > Email: steve.clark(a)netwolves.com > http://www.netwolves.com It helps during their creation, rather than just accepting the defaults, to give the LVs meaningful names. But even if you don't: # df -H Filesystem Size Used Avail Use% Mounted on /dev/mapper/VolGroup00-lvroot 31G 12G 18G 39% / /dev/mapper/VolGroup00-lvtmp 195M 55M 131M 30% /tmp /dev/mapper/VolGroup00-lvvar 21G 1.2G 19G 6% /var /dev/mapper/VolGroup00-lvhome 185G 40G 136G 23% /home /dev/hda3 518M 46M 446M 10% /boot Where's the difficulty?

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How to upgrade from 5.8 to 6.2
by Eric Kom 24 Jun '12

24 Jun '12

Good day, Please am new on CentOS, may you help me with the upgrade from 5.8 to 6.2 using? Thanks a lot -- -- You Truly Eric Kom System Administrator - Metropolitan College _________________________________________ / You are scrupulously honest, frank, and \ | straightforward. Therefore you have few | \ friends. / ----------------------------------------- \ \ .--. |o_o | |:_/ | // \ \ (| Kom | ) /'\_ _/`\ \___)=(___/ 2 Hennie Van Till, White River, 1240 Tel: 013 750 2255 | Fax: 013 750 0105 | Cell: 078 879 1334 erickom(a)kom.za.net | erickom(a)namekom.co.za | erickom(a)erickom.co.za www.kom.za.net | www.kom.za.org | www.erickom.co.za Key fingerprint: 513E E91A C243 3020 8735 09BB 2DBC 5AD7 A9DA 1EF5

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Media check on Centos 6.2 DVD1 i386
by Keith Roberts 24 Jun '12

24 Jun '12

I've downloaded and md5sum checked the Centos 6.2 DVD1 and burnt it to a DVD. Should there be an option to check the DVD media from the grub boot menu please? Keith ----------------------------------------------------------- Websites: http://www.karsites.net http://www.php-debuggers.net http://www.raised-from-the-dead.org.uk All email addresses are challenge-response protected with TMDA [http://tmda.net] -----------------------------------------------------------

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CentOS 6.2-x86-64
by Gene Heskett 23 Jun '12

23 Jun '12

Greetings all, newbie to CentOS here. Also newbie to 64 bit installs. Package Manager problem: I found a yumex, which is not part of the 64 bit install, but it wants a way older version of python-2.4 whereas we have 2.6.6-something after the post install upgrade. 1st Question: Is there anything that can be done about this? Or is there something better, like a 64 bit synaptic to replace yumex? Mail problem: I've been using a fetchmail -> procmail system here for years to unload kmail from its mail pulling duties, making it many times easier to use. Adjuncts to that are spamassassin, clamav, and mailfilter There appears not to be any 64 bit builds of clamav and mailfilter. I do have the src for mailfilter, however it refuses to build on x86-64, issuing this error: ================== Making all in src gmake[2]: Entering directory `/usr/src/mailfilter-0.8.2/src' g++ -DHAVE_CONFIG_H -I. -I.. -I/usr/local/include -I. -I../include -I.. - DLOCALEDIR=\"/usr/local/share/locale\" -I../intl -I.. -I../include -I. - Wall -g -O2 -MT header.o -MD -MP -MF .deps/header.Tpo -c -o header.o header.cc header.cc: In member function ‘int Header::rfc822_valid_msgid(const char*)’: header.cc:77: error: invalid conversion from ‘const char*’ to ‘char*’ gmake[2]: *** [header.o] Error 1 gmake[2]: Leaving directory `/usr/src/mailfilter-0.8.2/src' gmake[1]: *** [all-recursive] Error 1 gmake[1]: Leaving directory `/usr/src/mailfilter-0.8.2' gmake: *** [all] Error 2 =================== Lines 77-78 in that file: if (!(dom = strrchr (msgid, '@'))) return -1; Obviously strrchr() tries to convert the header spec here from line 35: int Header :: rfc822_valid_msgid (const char* msgid) into a plain char. Boom on a 64 bit machine. 2nd Question: How best to fix that? I know enough C to be dangerous, but somewhere between .0000zip and absolutely nothing about c++. There are other mail related problems, like a missing inotifywait and its library, but moving the 32 bit versions into what appeared to be the correct locations, and that seems to work 99% well. Suffice to say mail is moving, but the noise filters aren't working. Thanks to anyone who can help here. Cheers, Gene -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) Never appeal to a man's "better nature." He may not have one. Invoking his self-interest gives you more leverage. -- Lazarus Long

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Re: [CentOS] Upgrading from 5.7 to 5.8
by Markus Falb 23 Jun '12

23 Jun '12

On 23.6.2012 14:18, Sorin Srbu wrote: >> -----Original Message----- >> From: centos-bounces(a)centos.org [mailto:centos-bounces@centos.org] On >> Behalf Of Keith Roberts >> Sent: den 23 juni 2012 14:08 >> To: CentOS mailing list >> Subject: [CentOS] Upgrading from 5.7 to 5.8 >> >> My box did upgrade itself automatically from the >> initial 5.5 DVD installation to 5.7 >> >> How can I tell if my box has been automatically upgraded >> from 5.7 to 5.8 please? > > # cat /etc/redhat-release $ rpm -qf /etc/redhat-release centos-release-5-8.el5.centos $ rpm -q centos-release centos-release-5-8.el5.centos $ rpm -q --qf "%{version}\n" centos-release 5 $ rpm -q --qf "%{release}\n" centos-release 8.el5.centos I don't know if it is more sane to ask the content of the file or to ask rpm, but I tend to the rpm method. I vaguely remember that modification of /etc/redhat-release was used to trick some third-party software that depends on the content of the file. yum also does an rpm lookup AFAIU , see distroverpkg in yum.conf(5) -- Kind Regards, Markus Falb

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Re: [CentOS] Upgrading from 5.7 to 5.8
by Keith Roberts 23 Jun '12

23 Jun '12

On Sat, 23 Jun 2012, Sorin Srbu wrote: > To: 'CentOS mailing list' <centos(a)centos.org> > From: Sorin Srbu <sorin.srbu(a)orgfarm.uu.se> > Subject: Re: [CentOS] Upgrading from 5.7 to 5.8 > >> -----Original Message----- >>>> How can I tell if my box has been automatically upgraded >>>> from 5.7 to 5.8 please? >>> >>> # cat /etc/redhat-release >> >> OK thanks for that. So it looks like I'm on 5.8 already. >> >> [root@karsites ~]# cat /etc/redhat-release >> CentOS release 5.8 (Final) > > Yupp! You're welcome. > > I think you might be able to see it graphically on the "main" tab of System > Monitor. OK. Thanks for that Sorin. Keith :-) ----------------------------------------------------------- Websites: http://www.karsites.net http://www.php-debuggers.net http://www.raised-from-the-dead.org.uk All email addresses are challenge-response protected with TMDA [http://tmda.net] -----------------------------------------------------------

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