Discuss October 2011

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146 discussions

CentOS 6 is a bear
by Bob Hoffman 11 Oct '11

11 Oct '11

Gotta say, centos has been tough to install and get working. The anaconda installer makes large drive setups horridly tedious (especially if reinstalling a lot). Package selection seems a bit off... I did a virtualization package, no custom..did not install qemu, libvirt, and all attempts to do any virtualization failed due to non-installed packages. Then I decided to select all the virtualization packages in custom, but had selected 'web server' as the base package. I was never able to connect to the net here at home...apparently some things with 'modprobe' did not install and the eth devices 'does not exist' or something like that. Then I decided on the entire gnome package, with all the bells and whistles...everything worked, but who wants that? I removed some packages in gnome to see and reboot made machine dead. Did that 4 different times with very few package removals. Did a number of various tries with custom selections, but the dependencies seem to not be grabbing all it needs to work. Never got a non gnome setup to recognize eth devices (well, one time, but it never was able to get the net). I just installed a custom set up, all virtualization packages- virtualization selected as base. I added some gnome stuff and a few other doo dads.....booted up..went right to the command line.... no virt software works, errors everywhere. Display will not come up (x, vnc, or gnome no matter what).. Every installation, in first boot up had major missing or odd problems. One time I booted up with a gnome set up and selinux was stopping 5 differetn gdm programs..at boot...due to security risks... wtf? Any attempt to disable or make selinux permissive results in a dead machine, unable to ever boot again (left one up for 12 hours, never came back up, thought it was relabeling, but no message.) Removing packages with the gnome running only worked about 10% of the time, all others resulted in dead machine at reboot. I am considering, the only way to actually install and use this as a virtualized host is to go full desktop and hope the selinux enforcing will not break the system (with all the programs it will not let run on boot)... I have never, not once, been able to connect to the net in the command line setups...I know how to configure eths, network, dns, etc...not once, not even dhcp..config eth0 up, etc.. Gnome has not a single issue with the same exact file setups.. Many command line setups would not even see the eth devices, something about modprobe this or that not installed.....wth? quite an interesting task. I have now taken the server out of the center and am just going to endlessly install until I get a system that is low resources and actually allows the virtualization to work. My last install, with all virt packages selected...?..... cannot run virt-manager, libvirt, though some virt programs do work...why? something each needed to run was not installed as a dependency....<smacks head> Reinstalling would not be so bad, but the anaconda installer does not quite set up the drives the same on a reinstall forcing a deletion of partitions and redoing the entire setup..quite annoying /rant off

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Broadcom NetXtremeII and CentOS 6
by stwe22＠comcast.net 11 Oct '11

11 Oct '11

Has anyone managed to get CentOS 6 x86_64 running on a server with a Broadcom NetXtremeII BCM5709 network adaptor? If so have you seen any issues with the network freezing? On booting everything works fine then the network will just stop - can't ping anything. If we manually restart the network service it will run again for a few seconds/minutes before hanging again. We have even installed the latest bnx2 drivers (netxtreme2-6.2.23) as supplied by the server manufacturer - problem remains. Any ideas/thoughts would be greatly appreciated.

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trace?
by hadi motamedi 11 Oct '11

11 Oct '11

Dear All I have installed an announcement application on my centos 6.0 server that calls for putting specific voice announcement files under /usr/local/srf/bin/prompt to be played in response to certain conditions occurred . There are a huge number of files in the announcement directory and it seems that just one of these voice files is corrupt . Can you please let me know how can I trace in real time to see which application is going to use this folder and which of these files will be accessed at the moment ? My goal is to find that corrupted voice file in real time . Thank you

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centos6: usbip: how to build and use it?
by Dario Lesca 11 Oct '11

11 Oct '11

Someone can show me how to build the usbip standard kernel modules for centos 6? For other distro (mandr*, suse, debian ubuntu, ecc) this standard kernel driver and our control programs and daemon are on standard repository then installable via yum or apt-get > http://rpm.pbone.net/index.php3?stat=3&limit=1&srodzaj=1&dl=40&search=usbip… Many thanks -- Dario Lesca (Inviato dal mio Fedora Linux)

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Is there a problem with C6 CR and glibc?
by Patrick Bervoets 11 Oct '11

11 Oct '11

C6 with CR x86_64 Third time when trying to install a packet I get: yum install samba [...] --> Finished Dependency Resolution Error: Package: glibc-2.12-1.7.el6_0.5.i686 (updates) Requires: glibc-common = 2.12-1.7.el6_0.5 Installed: glibc-common-2.12-1.25.el6_1.3.x86_64 (@cr) glibc-common = 2.12-1.25.el6_1.3 Available: glibc-common-2.12-1.7.el6.x86_64 (base) glibc-common = 2.12-1.7.el6 Available: glibc-common-2.12-1.7.el6_0.3.x86_64 (updates) glibc-common = 2.12-1.7.el6_0.3 Available: glibc-common-2.12-1.7.el6_0.4.x86_64 (updates) glibc-common = 2.12-1.7.el6_0.4 Available: glibc-common-2.12-1.7.el6_0.5.x86_64 (updates) glibc-common = 2.12-1.7.el6_0.5 Had the same problem yesterday with a Canondriver-rpm and earlier with either Hugin or Scribus. Searched on Google and found many old pages (afaik nothing C6). I don't think there is a glibc-common i686 package (neither do I know if that would be a good idea). Should I downgrade glibc-common to 2.12-1.7? Or install a second glibc-common? Or just wait? BTW I tried to install Samba with only Base, Updates and CR repo enabled. Thanks Patrick

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RHEL 5.2 beta relased
by Rajagopal Swaminathan 11 Oct '11

11 Oct '11

Greetings, http://www.zdnet.com/blog/open-source/red-hat-enterprise-linux-62-beta-is-o… -- Regards, Rajagopal

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compilation error
by mattias 11 Oct '11

11 Oct '11

i try to compile a application but /usr/bin/ld can not find -lc what librarie are i missing

2 1

CentOS Summit?
by Kay Williams 10 Oct '11

10 Oct '11

Hello, I am writing to gauge interest in holding a gathering for CentOS users, admins and developers? A conference is a fun and efficient way for like-minded individual to meet, learn about each other, share stories, exchange ideas, provide support and friendship, and come up with even better ideas for the future. If there is sufficient interest, I would be willing to help organize. Perhaps an event could be held around the same time as other relevant conferences such as LinuxCon or OSCon. Let me know your thoughts. Kay Williams kay(a)thewilliams.net P.S. By way of background, I have been working with CentOS since the early days, but prior to that I worked at Microsoft for many years where it was often my role to organize and present at technology summits. I am sure we can come up with a format that is fun, relevant and interesting.

1 0

Choosing a CentOS version
by Bade Iriabho 10 Oct '11

10 Oct '11

This may be a noob question but there is something I have been trying to understand, there are currently three main versions of CentOS 4, 5, and 6. My main question is simply how do I know what version I should deploy? I have searched online and either I did not do a good job of searching or the information I get is inadequate. To better understand why I ask this question, here are some of the build up questions. - Is there an online resource that lists (compare/contrast) the different versions (i.e. 4, 5, and 6) and why you should pick a particular one? - Is a particular version the best for a web server, how do I know this? - Should or does it matter what version I deploy? - Can assume that once a version is decided upon, one should stick to the latest release. i.e. for version 5, go with 5.7 right now? If you can point me to an online resource, that would be awesome as well. B.I.

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{Q} Relate to daylight saving time on Nov. 6 cron job
by mcclnx mcc 10 Oct '11

10 Oct '11

We have CENTOS 4.X and 5.X on DELL servers. On Nov. 6, 2:00 A.M. will change to 1:00 A.M. If I have cron job on 1:20 A.M., will it run twice? Thanks.

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Discuss October 2011