Discuss April 2013

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168 participants
149 discussions

freenx not working with newly installed centos 6.4
by Natxo Asenjo 22 May '13

22 May '13

hi, this is not the same as http://bugs.centos.org/view.php?id=6298 I can login with ssh but not with freenx With 6.3 this worked, I just spinned some new servers and now I can no longer use freenx. in /var/log/messages: pr 3 22:05:11 testthuis nxserver[3435]: (nx) Failed login for user=admin from IP=192.168.0.160 Apr 3 22:06:01 testthuis nxserver[3619]: (nx) Failed login for user=admin from IP=192.168.0.160 Apr 3 22:06:52 testthuis nxserver[3818]: (nx) Failed login for user=admin from IP=192.168.0.160 in /var/log/nx/nxserver.log: -- NX SERVER START: -c /usr/bin/nxserver - ORIG_COMMAND= -- NX SERVER START: - ORIG_COMMAND= Info: Using fds #4 and #3 for communication with nxnode. HELLO NXSERVER - Version 3.2.0-74-SVN OS (GPL, using backend: not detected) NX> 105 hello NXCLIENT - Version 3.2.0 NX> 134 Accepted protocol: 3.2.0 NX> 105 SET SHELL_MODE SHELL NX> 105 SET AUTH_MODE PASSWORD NX> 105 login NX> 101 User: admin NX> 102 Password: Info: Closing connection to slave with pid 3761. NX> 404 ERROR: wrong password or login NX> 999 Bye My node.conf file is a copy of the node.conf.sample file, nothing changed. I do not want to use the nx database authentication but our ldap (ipa) authentication., this has always worked until now. I have temporarily set selinux in permissive mode but no difference. Can anyone else reproduce this? At work we have a mirror, so I tried at home with a manually installed centos and internet upgrades. No difference. TIA, -- Groeten, natxo

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still no centos 6.4 live cd dvd available?
by ppse＠web.de 13 May '13

13 May '13

Hello, in the release announcement for centos 6.4 on march 9th, the 6.4-live cd/dvd was supposed to be released a few days after the centos 6.4 release. Meanwhile 6 weeks later i still can't find any live cd/dvd in the mirror repositories. Any hint when there is a 6.4. live cd available? I'd like to test centos 6.4 on several machines (x86_64) without foregoing installation. Thank you in advance

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Supermicro & Boot Failures with DVD Centos 6.2
by Gregory P. Ennis 10 May '13

10 May '13

Eve.8ryone, I have had a SuperMicro machine running Centos 5.8 that had been progressively updated with yum-cron from a 5.0 CD install. I upgraded the SuperMicro with more memory, switched out the CD with a DVD and tried to boot to the Centos x64 6.2 dvd. My plan was to test the memory before I added the hard drives, but I could not I could not get the machine to boot from the disc. I also tried some Fedora install discs as well as LiveFedora and the machine would still not boot. I could get it to boot with a dreaded Microsoft install disc. We also updated the bios with the latest version and this did not make a difference. We have not tried to use these disks with the hard drives installed yet because we were in the process of just testing the memory. Has anyone had this problem with SuperMicro's. Is the problem as simple as a requirement to have a hard disc installed. Your help would be appreciated. Thank you, Greg Ennis

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ECC memory errors
by Peter Peltonen 07 May '13

07 May '13

I started to receive this kind of messages a few days ago on one of my servers: Message from syslogd@ at Mon Apr 29 08:02:55 2013 ... server1 kernel: EDAC MC0: UE row 0, channel-a= 0 channel-b= 1 labels "-": (Branch=0 DRAM-Bank=0 RDWR=Read RAS=0 CAS=0, UE Err=0x2 (Aliased Uncorrectable Non-Mirrored Demand Data ECC)) I've never had ECC memory to fail on me before, so now I am wondering the following: * The server is running CentOS 5.7 and is acting as Xen dom0. Is there any possibility this could be a kernel issue and upgrading would help, or would upgrading at this point just cause more trouble? * Is there now a possibility that my data can get corrupt: should I shutdown the server as soon as possible or can I keep running until I replace the memories? * This server has been running for several years in a datacenter without problems: what are your experiences, are these kind of problems most likely caused by a failing motherboard or the memories? Regards, Peter

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Strange Postfix problem
by tdukes＠palmettoshopper.com 06 May '13

06 May '13

Hello, Was trying to setup postfix on my home PC. Running Centos 6.4. I don't have a static IP and use zoneedit and ddclient to keep my installation of zoneminder current. So I decided I wanted to get zoneminder to send me email alerts. Sent some test messages but none were sent. I went to webdnstools website thinking maybe there is a dns or network problem. When it checks my dns setup, everything is fine except the mail server is has the wrong IP address. The A record and the www A record have the correct IP. The IP address its reporting is one that belongs to my ISP. TIA

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trying to recover an audio CD...
by Fred Smith 02 May '13

02 May '13

I'm trying to recover data from an audio cd. it is a recording of a live session, made on a professional cd recorder, on the fly. apparently, instead of stopping it and fixating the disc, someone turned off the power. oops. I know that wodim will fixate a disk as long as it was otherwise properly terminated (I've done it more than once), but this one it won't fixate. depending on the drive I try it in, I get different messages, but in either case, it remains unfixated. so i've tried reading it with cdparanoia, but it can't do anything with it, or not that I've figured out how to do. So, can anyone suggest ways to try to recover this audio data? thanks! -- ---- Fred Smith -- fredex(a)fcshome.stoneham.ma.us ---------------------------- Do you not know? Have you not heard? The LORD is the everlasting God, the Creator of the ends of the earth. He will not grow tired or weary, and his understanding no one can fathom. ----------------------------- Isaiah 40:28 (niv) -----------------------------

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lxde
by Scott Robbins 02 May '13

02 May '13

Sorry, I accidentally deleted the lxde thread, (on mail where I just use POP3) so headers may be broken for some of you. Anyway, ScientificLinux forums have a post about building lxde. It is time consuming, but if you really want it.... It's using Fedora 14 as the version and has links to necessary rpms. http://scientificlinuxforum.org/index.php?showtopic=759 -- Scott Robbins PGP keyID EB3467D6 ( 1B48 077D 66F6 9DB0 FDC2 A409 FA54 EB34 67D6 ) gpg --keyserver pgp.mit.edu --recv-keys EB3467D6

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CentOS Dojo at Phoenix, AZ on the 10th May 2013
by Karanbir Singh 01 May '13

01 May '13

Hi, The second CentOS user interaction Dojo is taking place at Phoenix, AZ, USA on the 10th May 2013. And once again, we have a great line up of speakers covering a broad spectrum of technologies that people running CentOS usualy care about most. For details on the speakers, the topics and the venue : http://wiki.centos.org/Events/Dojo/Phoenix2013 The early bird ticket sales end on the 30th Apr, so if you can make it - be sure to register early ( You can register now at http://centosdojophoenix.eventbrite.co.uk/ ) The plan is to start at 9:00 with the sessions starting at 9:30, and a nice long lunch break in the middle, with evening BoF sessions and maybe even open spaces for people to interact and talk about the things they care about most : And I'll be fielding any questions that anyone had about and on CentOS, the project as well as CentOS Linux, the distribution. Note: This is a not for profit event, all ticket sales revenue is cycled back into paying for attendee t-shirts, catering at the venue and costs for the event itself. Looking forward to seeing some of the mailing list regulars on the day. - KB -- Karanbir Singh +44-207-0999389 | http://www.karan.org/ | twitter.com/kbsingh GnuPG Key : http://www.karan.org/publickey.asc

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flashing a BIOS on an HP server
by m.roth＠5-cent.us 01 May '13

01 May '13

Hi, folks, Since I've gotten a total of one response in days on the HP forum, maybe the collective mind here has an answer.... As I've mentioned in other posts, we have an HP dl580 g5 that started throwing ECC errors. But wait, it's worse: memory is mirrored.... And the thing is fully populated with 32 DIMMs. I took my best guess, pulled the matching set of DIMMs, and took two off of one of the four riser boards to replace them. I find that the m/b *must* be fully populated before adding riser boards... *and* the riser boards are mirrored. So I had to pull two riser boards, the one I'd taken two DIMMs off of, and it's mirror. Brought it back up, no errors. Then, Monday, I tried replacing one of the two, apparently good riser boards with one that I'd taken out, and had put the two DIMMs that I was guessing included the bad one. I *still* can't provoke the error. Maybe it only happens when I have everything fully populated? (I've run stress to the point where all 2G of swap is used....) Meanwhile, I'd joined an HP forum, and someone suggested that I really, really needed a BIOS update, and that would fix it. Sounds plausible. However, when I found the d/l of that, I ran into three things: first, the damn thing was an .exe, and they do *not* seem to have a .bin. Second, the "description" (laughable, at best) didn't seem to say anything about ECC errors, but whatever. Then there's the biggie: it *seems* to say that I have to install a previous BIOS update first... but I'm not sure. I would have thought it was a full package. Now, as the system is long out of warranty, and there's no way the other Institute will spring to pay HP, they won't even talk to me about *anything*, so I'm on my own. The upshot: does anyone here have a clue as to whether I can flash update the BIOS with the latest update, or whether I actually have to do the older one first? Thanks in advance. mark

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Re: [CentOS] Apache stops without evident cause
by James B. Byrne 30 Apr '13

30 Apr '13

On Mon, April 29, 2013 09:02, James Hogarth wrote: >> It is just the httpd service that stops. > > Define 'stops' Attempts to access the web sites served by that service report Server not Found. Running 'service httpd start' starts the service. > > Are there any httpd processes still running? No. > > What are you doing with the server - php, proxy to tomcat, etc Straight-up static web sites. Nothing fancy or dynamic. No CGI scripts. > > There's very little information to go on in your post... > > You have what I have. There is simply no trace of the process by the time my periodic (every 15 minutes) sweep notices that the httpd process is gone and restarts it. -- *** 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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Discuss April 2013