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CentOS5 installation crashes
by Andrew Henry 15 Feb '08

15 Feb '08

Im installing CentOS5.1 on an Acer Aspire 5021 laptop with AMD Turion64 and ATI X700 128MB gfx card. I want to partition my 80MB ATA disk as LVM, so I: Choose custom partition. delete all existing partitions. add one LVM vg partition taking up entire disk. I do not change any default options. I then click the LVM button to add my logical volumes as follows: 5GB / 8GB /home 5GB /tmp 4GB /var 1GB swap all are ext3 partitions. I exit the LVM dialogue and click Next to continue with the partitioning, and... it all crashes. I get a debug error box with lots of unintelligible errors that I am completely unfamiliar with. I click OK on the error dialogue and the installation freezes and I can only power off with the button. I will probably look for this on bug tracker and log a bug report if I don't find a similar case, but I wanted to mail the list first (because it's easier) and ask if anyone knows of the issue and how to get around it? thanks, andrew -- GnuPG Key ID: ECB18ABA Fingerprint: FDF3 91FC F5BC 1164 E217 315E 337E 219B ECB1 8ABA

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PAE Kernel doesn´t boot
by i.anfrage 15 Feb '08

15 Feb '08

hi @all, i´m having big problems implementing a pae-kernel. i´m using centos5 on following hw intel core2duo 2,66 e6750 gigabyte p35-ds3p board 8 gb ram 4 * samsung_sata_hd501lj nvidia geforce 8500gt i can use a xen-pae kernel without having problems, but as i need to run vmware, it´s not a valid option to keep that kernel. the default kernel (which supports only up to 4gb ram) works fine, too. as soon as i boot a pae kernel the system stops booting at the point: "udev starting". i also can´t install the 64-bit version of centos5. i´ve tried the following kernels 2.6.18-53.1.4.el5PAE 2.6.18-53.el5PAE 2.6.18-53.1.6.el5PAE 2.6.18-53.1.13.el5PAE 2.6.18-53.1.13.el5xen 2.6.18-53.1.6.el5xen any suggestions??? tia!!! tom

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Kernel 2.6.18-53.1.13.el5 fails on network.
by Steven Haigh 15 Feb '08

15 Feb '08

Hi all, After the latest lot of kernel security updates have come out, I updated one of my colo boxes and rebooted. It didn't come back up and fails when booting on: * CPU Microcode update * iptables * eth0 The booting process completes, however as you can imagine, there is no network connectivity at all. The only config changes were installing the new kernel. Booting back into 2.6.18-8.1.8.el5 make things work 100% again. The system is a dual P3 1Ghz with an e100 network card. Has anyone else come across this? Sadly, this is a headless box in an unattended colo - so I can't sit down and reboot upon reboot to try and figure out the cause of the problem. -- Steven Haigh Email: netwiz(a)crc.id.au Web: http://www.crc.id.au Phone: (03) 9001 6090 - 0412 935 897

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Apache2 crashes, MySQL uses upto 90% CPU
by Devraj Mukherjee 15 Feb '08

15 Feb '08

Hi everyone, I am running CentOS 4.6 and use the centosplus repo. Apache version 2.0.59 and MySQL 5.0.54 and for the past few days Apache 2 has been crashing randomly. The CPU usage has been maxing out (The machine has 2 x Xeon processors, with 4Gb RAM) and there are many httpd processes that appear to be defunct. I read around and found that logrotate may be crashing Apache if it doesn't quit in time. I have performance tuned MySQL to cache queries, modified php.ini not to use too many persistent connections, restricted the number of connections that Apache will answer to. Top says: 8136 mysql 16 0 202 51:55.73 5.7 680m 225m 5352 S mysqld Is there anyone else experiencing similar things? Any suggestions? Thanks for your time. -- "I never look back darling, it distracts from the now", Edna Mode (The Incredibles)

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Screen blacks b/w window changes
by Chris McDonald 15 Feb '08

15 Feb '08

Is there a setting that can be changed that keeps the screen from going black when changing between?

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domain name display issue in linux pc
by padmaja.rv＠vodcalabs.com 14 Feb '08

14 Feb '08

Hi, Thanks for your response on the kernel switching.I was away and could not reply immediately. Right now, I am facing a differentissue. I have to set up DNS server using BIND on Centos 4.3. When Itype the hostname on Centos, it shows: sipserver.vodcalocal.com But the cli prompt has root@sipserver~ meaning only the sipserver part of the hostname is displayed. whyis this so? What is the actual hostname then? I see in the /etc/sysconfig/network that thehostname is sipserver.vodcalocal.com the /etc/hosts file has the followingcontent: # Do not remove the following line, orvarious programs # that require network functionalitywill fail. 127.0.0.1 localhost.localdomain localhost sipserver 192.168.50.51 sipserver.vodcalocal.com The /etc/sysconfig/network has thefollowing config: NETWORKING=yes HOSTNAME=sipserver.vodcalocal.com I have seen in many forums that the/etc/sysconfig/network file has many other entries like domain name,gateway type, gateway ip etc, which are not present in myconfiguration. when i type $ domainname, i get-- (none) $ domainname -d vodcalocal.com $ domainname -f sipserver.vodcalocal.com Why does not the command domainnamelist the domain name? also domainname -f and domainname -d displaydifferent results. can the machine have the domainname and hostnamesame if I am going to run dns server on it? I run a SIP server on this PC whichneeds the domainname set but whenever I type echo $DOMAIN_NAME, itshows blank and I have to export the path variable DOMAIN NAME andset it. On another screen, I again dont see the domain name set. Howto set the domain name across all terminals and sessions andrestarts?an Thanks Padmaja

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kickstart file problem
by Lundgren, Andrew 14 Feb '08

14 Feb '08

I have a kickstart file that I am using to install multiple machines. If I install with no %post script, everything runs great. When I add the following %post section, if fails. I have been working on this for a few days now without luck, Any help would be appreciated. Here is the error, the script follows. Traceback (most recent call first): File "/usr/lib/anaconda/kickstart.py", line 82, in run os.unlink(path) File "/usr/lib/anaconda/kickstart.py", line 781, in <lambda> map (lambda s: s.run(anaconda.rootPath, serial, anaconda.intf), postScripts) File "/usr/lib/anaconda/kickstart.py", line 781, in postAction map (lambda s: s.run(anaconda.rootPath, serial, anaconda.intf), postScripts) File "/tmp/treedir.17875/instimage/usr/lib/anaconda/packages.py", line 44, in doPostAction anaconda.id.instClass.postAction(anaconda, flags.serial) File "/usr/lib/anaconda/dispatch.py", line 201, in moveStep rc = stepFunc(self.anaconda) File "/usr/lib/anaconda/dispatch.py", line 124, in gotoNext self.moveStep() File "/usr/lib/anaconda/gui.py", line 1007, in nextClicked self.anaconda.dispatch.gotoNext() File "/usr/lib/anaconda/iw/progress_gui.py", line 243, in renderCallback self.intf.icw.nextClicked() File "/usr/lib/anaconda/gui.py", line 1034, in handleRenderCallback self.currentWindow.renderCallback() OSError: [Errno 2] No such file or directory: '/mnt/sysimage/tmp/ks-script-ah2YMC' Local variables in innermost frame: intf: <gui.InstallInterface instance at 0x2aaab6572a28> tempfile: <module 'tempfile' from '/usr/lib64/python2.4/tempfile.py'> self: (s: '# setup NTP|echo "setup NTP"|cat << EOF > /etc/ntp.conf|restrict default noquery notrap nomodfiy|restrict 127.0.0.1|server 0.rhel.ntp.org|server 1.rhel.ntp.org|server 2.rhel.ntp.org|driftfile /var/lib/ntp/drift|EOF|/sbin/chkconfig ntpd on|# setup services.|echo "setup services"|/sbin/chkconfig atd off|/sbin/chkconfig autofs off|/sbin/chkconfig avahi-daemon off|/sbin/chkconfig bluetooth off|/sbin/chkconfig cpuspeed off|/sbin/chkconfig cups off|/sbin/chkconfig gpm off|/sbin/chkconfig hidd off|/sbin/chkconfig ip6tables off|/sbin/chkconfig pcscd off|/sbin/chkconfig netfs --add|/sbin/chkconfig netfs on|# relocate tmp|echo "relocate root"|rm -rf /tmp|ln -s /var/tmp /tmp|# add lustre module configuration|echo "add lustre module configuration"|echo "options lnet networks=tcp0(eth1,eth0)" >> /etc/modprobe.conf|# create motd|echo "set motd"|echo "Built as admin/ingest using VIPER install 1.0" > /etc/motd|echo "Adding level3 with bad password set"|/usr/sbin/useradd -d /home/level3 -m -u 100 -g 100 -p BLOCKED level3|' i: /bin/sh c: 1) messages: /mnt/sysimage/root/post-install.log scriptRoot: /mnt/sysimage chroot: /mnt/sysimage fd: 31 rc: 0 path: /mnt/sysimage/tmp/ks-script-ah2YMC serial: 0 os: <module 'os' from '/usr/lib64/python2.4/os.py'> My script that I add is listed above, but a less cryptic version is here: %post --log=/mnt/sysimage/root/post-install.log # setup NTP echo "setup NTP" cat << EOF > /etc/ntp.conf restrict default noquery notrap nomodfiy restrict 127.0.0.1 server 0.rhel.ntp.org server 1.rhel.ntp.org server 2.rhel.ntp.org driftfile /var/lib/ntp/drift EOF /sbin/chkconfig ntpd on # setup services. echo "setup services" /sbin/chkconfig atd off /sbin/chkconfig autofs off /sbin/chkconfig avahi-daemon off /sbin/chkconfig bluetooth off /sbin/chkconfig cpuspeed off /sbin/chkconfig cups off /sbin/chkconfig gpm off /sbin/chkconfig hidd off /sbin/chkconfig ip6tables off /sbin/chkconfig pcscd off /sbin/chkconfig netfs --add /sbin/chkconfig netfs on # relocate tmp echo "relocate root" rm -rf /tmp ln -s /var/tmp /tmp # add lustre module configuration echo "add lustre module configuration" echo "options lnet networks=tcp0(eth1,eth0)" >> /etc/modprobe.conf # create motd echo "set motd" echo "Built as admin/ingest using VIPER install 1.0" > /etc/motd echo "Adding level3 with bad password set" /usr/sbin/useradd -d /home/level3 -m -u 100 -g 100 -p BLOCKED level3

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RE: [CentOS] FW: Memory Problem
by Damien Solodow 14 Feb '08

14 Feb '08

Ah. You're not running the PAE kernel. Reboot the box, and bring up the grub menu. Choose the PAE kernel. Then you'll see what you're supposed to and can uninstall the other kernel(s) From: centos-bounces(a)centos.org [mailto:centos-bounces@centos.org] On Behalf Of Van Staden, Allan Sent: Thursday, February 14, 2008 3:33 PM To: CentOS mailing list Subject: RE: [CentOS] FW: Memory Problem Uname -r = 2.6.18-53.1.13.el5 I installed webmin and from there I see that the total memory is 2.96 GB and when I run top it shows Mem: 3107572k total. Allan From: centos-bounces(a)centos.org [mailto:centos-bounces@centos.org] On Behalf Of Damien Solodow Sent: 14 February 2008 10:26 PM To: CentOS mailing list Subject: RE: [CentOS] FW: Memory Problem When you do a 'uname -r' what is the result? Also, what are you looking at to determine available RAM? From: centos-bounces(a)centos.org [mailto:centos-bounces@centos.org] On Behalf Of Van Staden, Allan Sent: Thursday, February 14, 2008 3:22 PM To: CentOS(a)centos.org Subject: [CentOS] FW: Memory Problem I am sure this has been covered before, but I can find it in my archives. I loaded up a new server IBM x3650, 2x Intel dual core cpu's I installed additional RAM to take it up to 7 gigs according to http://www.centos.org/product.html#seven <http://www.centos.org/product.html#seven> CentOS 5 x86 which I am using supports up to 16gigs of RAM. Once I boot up CentOS only see's about 3.2Gigs of Ram. I installed the kernel-PAE package and upgraded my kernel to 2.6.18-53.1.13.el5. Searching on the web the suggestions are that I done the above, as I have done to sort out my problem buy nothing seems to work. Any help would be much appreciated Allan To read FirstRand Bank's Disclaimer for this email click on the following address or copy into your Internet browser: https://www.fnb.co.za/disclaimer.html <https://www.fnb.co.za/disclaimer.html> If you are unable to access the Disclaimer, send a blank e-mail to firstrandbankdisclaimer(a)fnb.co.za <mailto:firstrandbankdisclaimer@fnb.co.za> and we will send you a copy of the Disclaimer. To read FirstRand Bank's Disclaimer for this email click on the following address or copy into your Internet browser: https://www.fnb.co.za/disclaimer.html <https://www.fnb.co.za/disclaimer.html> If you are unable to access the Disclaimer, send a blank e-mail to firstrandbankdisclaimer(a)fnb.co.za <mailto:firstrandbankdisclaimer@fnb.co.za> and we will send you a copy of the Disclaimer.

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RE: [CentOS] FW: Memory Problem
by Damien Solodow 14 Feb '08

14 Feb '08

When you do a 'uname -r' what is the result? Also, what are you looking at to determine available RAM? From: centos-bounces(a)centos.org [mailto:centos-bounces@centos.org] On Behalf Of Van Staden, Allan Sent: Thursday, February 14, 2008 3:22 PM To: CentOS(a)centos.org Subject: [CentOS] FW: Memory Problem I am sure this has been covered before, but I can find it in my archives. I loaded up a new server IBM x3650, 2x Intel dual core cpu's I installed additional RAM to take it up to 7 gigs according to http://www.centos.org/product.html#seven <http://www.centos.org/product.html#seven> CentOS 5 x86 which I am using supports up to 16gigs of RAM. Once I boot up CentOS only see's about 3.2Gigs of Ram. I installed the kernel-PAE package and upgraded my kernel to 2.6.18-53.1.13.el5. Searching on the web the suggestions are that I done the above, as I have done to sort out my problem buy nothing seems to work. Any help would be much appreciated Allan To read FirstRand Bank's Disclaimer for this email click on the following address or copy into your Internet browser: https://www.fnb.co.za/disclaimer.html <https://www.fnb.co.za/disclaimer.html> If you are unable to access the Disclaimer, send a blank e-mail to firstrandbankdisclaimer(a)fnb.co.za <mailto:firstrandbankdisclaimer@fnb.co.za> and we will send you a copy of the Disclaimer.

2 1

Backing up remote system
by Scott Ehrlich 14 Feb '08

14 Feb '08

I have an Overland Arcvault tape library, a CentOS 5 box, a Windows XP system, and RAID box that supports NFS and CIFS. The RAID box is remotely located and acts as central file storage. I might normally use dump to perform backups, but as was learned here, and on dump's man page, dump doesn't support remote file systems such as NFS or CIFS. So, for now, I've connected the library to a Windows XP system, running Service Pack 2. I have a shell script that tar gz's the directories of choice to preserve, places them in /backup, and, via samba's config of making /backup available, have it mounted as a drive letter on the XP system. I'm then using XP's built-in backup/restore program to store the contents of /backup to tape, and that is working fine for now. Is there a reliable Linux/CentOS-based way to do this, too? I know people keep saying use Amanda and/or bacula and be done with it, but in the event something goes wrong and the mysql, etc database gets corrupt, and people want their data back, it would be much easier to use a readily-available command, like cpio, tar, etc, to do the job. I've also elected to tar gz the contents ahead of time, for if I were to try and directly archive some of the files via a CIFS mount, I've experienced permission problems with various files and folders. A local tar of the files has gotten around that, then just have the Windows box copy the tar files to tape. Now to see what options tar has for producing incremental backups with a cron'ed tar job, unless someone has a better, comparable approach with existing OS tools (tar, cpio, dump, etc). I want to retain as many permissions as possible. I've tried rsync before, but that also requires enough disk space for the file copying, and some of the options I've used have complains of proper permissions being kept during the process. Thanks again. Scott

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