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Upgrading FC2 -> Centos4RC1 (possible, but messy)
by Michael Best 23 Feb '05

23 Feb '05

This was my experience with upgrading, your mileage may vary especially if it's in kilometers. This is what I had to do to get my system running again. ############## In order to attempt this upgrade, I had to use "linux upgradeany", a mode not listed for the installer CDs. My first problem was I could no longer boot the system after the upgrade. My grub menu showed my old FC2 kernel, Fedora Core (2.6.10-1.14_FC2), but not the kernel for Centos. Trying to boot this FC2 kernel it froze after "Enabling swap space:" * Boot up the "linux rescue", chroot /mnt/sysimage * used lynx to download kernel-2.6.9-5.EL.i686.rpm * rpm -ivh kernel-2.6.9-5.EL.i686.rpm warning: kernel-2.6.9-5.EL.i686.rpm: V3 DSA signature: NOKEY, key ID 4fe06303 error: failed to stat /dev/shm: No such file or directory Preparing... ################################################## package kernel-2.6.10-1.14_FC2 (which is newer than kernel-2.6.9-5.EL) is already installed * rpm -ivh --old-package kernel-2.6.9-5.EL.i686.rpm warning: kernel-2.6.9-5.EL.i686.rpm: V3 DSA signature: NOKEY, key ID 4fe06303 error: failed to stat /dev/shm: No such file or directory Preparing... ################################################## error: %pre(kernel-2.6.9-5.EL.i686) scriptlet failed, exit status 255 error: install: %pre scriptlet failed (2), skipping kernel-2.6.9-5.EL * rpm2cpio kernel-2.6.9-5.EL.i686.rpm | cpio -i --make-directories * mv boot/* /boot/ * mv lib/modules/* /lib/modules/ * depmod -a * mkinitrd /boot/initrd-2.6.9-5.EL 2.6.9-5.EL * edit /etc/grub.conf an add in this kernel * rebooted into the Centos-4 system at this point just need to do some finishing work to get things started * fedora-release-2-4.i386 wasn't upgraded to centos-release * yum wouldn't run as the fedora release version was 2 cp /etc/yum.conf /etc/yum.conf.old cp /etc/yum.conf.rpmnew /etc/yum.conf wget http://beta.centos.org/centos/4.0beta/os/i386/CentOS/RPMS/centos-release-4.… rpm -e --nodeps fedora-release rpm -ivh centos-release-4.0beta-5.i386.rpm rpm --import /usr/share/rhn/RPM-GPG-KEY-centos4.0beta yum clean all rpm -e --nodeps $(rpm -qa | grep kernel | grep FC2) yum install kernel (or rpm -ivh kernel-2.6.9-5.EL.i686.rpm) yum update -Mike

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Oracle Apps on Linux
by Joao Medeiros 23 Feb '05

23 Feb '05

Hi folks, I seem to remember someone asking how to install Oracle Apps on Linux so here goes a quick and dirty how-to:- 0 - You will need access to Metalink (Oracle's support site) for downloading patches and read documentation on line. 1 - Size up your Linux box to at least 1Gb memory and 200Gb of disk space. I'm assuming you have a Pentium 4 at around 3GHz. 2 - Download and install if not already installed compat-gcc-7.3-2.96.126. Fedora Core 3 doesn't come with it but you can get it from Fedora Core 2. WBEL and CentOS should have it installed by default. 3 - Download the latest version of Oracle Applications from edelivery.oracle.com. Latest release available is 11.5.10 and comes in 46 zip files totalling a 25Gb. It expands to about the same size since there's a lot of compressed files in it. 4 - Create a new group called dba. Create a new user called oracle and assign dba as the primary group. 5 - Log in as oracle and edit the .bash_profile to add the variable LD_ASSUME_KERNEL=2.4.19. Make sure you export it. 6 - Start unloading the zip files and make sure you follow the instructions from Oracle so that they end up in a nice tree under /Stage11i. Review the Installation guide. 7 - Rename the /usr/bin/unzip to whatever you want to call it and copy the unzip from /Stage11i/startCD/Disk1/rapidwiz/unzip/Linux. 8 - Change to /Stage11i/startCD/Disk1/rapidwiz and execute RapidWizVersion. If it is not 11.5.10.33 you will need to download patch 4132885 from Metalink. Unzip the files under /Stage11i/startCD as it will overwrite the contents of Disk1. 9 - Download patch 3006854 from Metalink to fix an OS library problem. 10 - Start your installation by running /Stage11i/startCD/Disk1/rapidwiz/rapidwiz. Choose single box installation. 11 - Review the log file for any errors. Fix if required. 12 - If you're using an SQL Client from outside the Linux box you will need to comment some lines in your $ORACLE_HOME/network/admin/SID_Servername/sqlnet.ora file (replace SID with your chosen SID, mine is PROD, default is VIS) and (replace Servername with your hostname). Look for the lines with tcp.validnode_checking and tcp.invited_nodes; put a '#' in the beginning. Restart your listener. 13 - Open your browser and point it to http://yourservername.yourdomainname:8000. Log in as operations/welcome and start hacking away :-) Let me know if you're stuck with anything and I'll do what I can to help. Cheers, Joao Note ---- Oracle Apps forms in a browser is currently only supported on Netscape 4.7.xx and IE6 although it can be put to work with Firefox. References ---------- Metalink Note http://metalink.oracle.com/metalink/plsql/ml2_documents.showNOT?p_id=287453. 1 Metalink Note http://metalink.oracle.com/metalink/plsql/ml2_documents.showNOT?p_id=277291. 1 João Medeiros Leics, UK Linux User 381318

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Slow logout from gnome
by John Newbigin 23 Feb '05

23 Feb '05

I don't know if anyone else has had this problem but on a number of CentOS-3 boxes I had a problem when you log out from X/Gnome it would take ages (> 1 min) to log out. Saving the session made it quicker for the next logout, but the culprit appears to be the rhn-applet. Uninstall that rpm and problem solved. John. -- John Newbigin Computer Systems Officer Faculty of Information and Communication Technologies Swinburne University of Technology Melbourne, Australia http://www.it.swin.edu.au/staff/jnewbigin

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Error in access internet from server...
by Tiago Bahi - VOE INTERNET 23 Feb '05

23 Feb '05

Hi, guys I have CentOS 3.4 I ping any host in intranet and internet from server I connect in server for any service: web, mail (pop,imap, smtp), dns, mysql, ssh with success but I can't use wget, curl, yum... The connection always go to triying and nothing happens. Maybe problem with routes? Iptables? Thanks, Tiago Bahi There are some erros that I see: __________________________________________ YUM: /etc/cron.daily/yum.cron: Error getting file http://mirror.centos.org/centos/3/addons/i386/headers/header.info [Errno 4] IOError: <urlopen error > __________________________________________ CLAMAV ERROR: Clamd was NOT notified: Can't connect to clamd on 127.0.0.1:3310 connect(): Connection refused __________________________________________

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Re: AW: AW: [Centos] 3Ware 9xxx 9500S-4LP SATA Raid with CentOS3.3?
by Scott Lewis 22 Feb '05

22 Feb '05

http://www.3ware.com/KB/article.aspx?id=11843 "These instructions are for RH Advanced Server Update 2 and ****any other Linux distribution that does not include the driver for the 3ware 9000 series controllers.**** " The knowledgebase article also includes the aforementioned perl script(dug a bit more and found it).

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Centos at FOSDEM in Brussels?
by Ryan Sweet 22 Feb '05

22 Feb '05

Hi, I'm a Centos user in Brussels, BE. I'll be going to the FOSDEM conference next weekend and I was thinking about printing up and giving out centos CDs while there. 1) any other centos folks going to be at FOSDEM? 2) any guidelines for printing CD's - I can only run 50 or 100... regards, -Ryan -- Ryan Sweet <ryan.sweet(a)aoes.com> Advanced Operations and Engineering Services AOES Group BV http://www.aoes.com Phone +31(0)71 5795521 Fax +31(0)71572 1277

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Re: AW: [Centos] 3Ware 9xxx 9500S-4LP SATA Raid with CentOS3.3?
by Scott Lewis 22 Feb '05

22 Feb '05

3 3

3Ware 9xxx 9500S-4LP SATA Raid with CentOS3.3?
by Sven 22 Feb '05

22 Feb '05

Hello I have at this time a w3are 7006-2 controller in my server Dual Xenon 2.8Ghz . But now i will change it to a 9500S-4LP SATA Raid Controller. I have seen in lsmod that the 7000 driver is loaded. scsi_mod 115112 3 [sg 3w-xxxx sd_mod] My question Is it possible to running this card with centos 3.3? I have seen this at 3ware http://www.3ware.com/KB/article.aspx?id=12706 But there is only for 32 bit Athlon/Opteron computers. How can i get a 3w-9xxx driver for centos 3.3? And what i must do exactly to running these card with centos 3.3 ( installation / kernel ) thanks for every help Sven Sommerlatt

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Re: [Centos] partition table Cent4RC1
by David Kaupp 22 Feb '05

22 Feb '05

The warm and fuzzes was mostly towards the rackmount I had put FC3 and FC2 on. FC2 crapped out when the 2.6 kernel was introduced, Fc3 wouldn't even boot past grub. If I had the time I would investigate the situation more, but I'm pretty much the only tech for 250+ desktops and other IT duties. Kickstart is on my long list of things to do. I'm using ghost since, it seems(ed?) to work and its an application my boss is accustomed to. I'm going to stick with Cent3 at work and try Cent4 on my home server. the not being able to boot issue may not have been due to the 2.6 kernel Dave Kaupp Catholic Charities, Diocese of San Diego http://www.ccdsd.org 619-231-2828 x520 619-287-9454 x157 >>> jperrin(a)gmail.com 02/19/05 11:40AM >>> We've had some issues at work with similar things, and it seems due more to breakage in ghost than anything else. Kickstart files work like a champ for making multiple identical machines if that's your thing, but a good kickstart file can also provide you with a fast method to rebuild a server should you feel a burning desire to burn it down and start over. The 2.6 kernel and specifically SELinux give me the most warm&fuzzy feelings I've had for a while. I'd not be so quick to write it off just because some 3rd party (primarily windows oriented app) doesn't work well. Just my $0.02 -- Jim Perrin. On Fri, 18 Feb 2005 11:52:20 -0800, David Kaupp <dkaupp(a)ccdsd.org> wrote: > I just installed CentRC1 on a Dell gx150 as a test. I'm running into the same problem I had with Fc3. I get a partition table error when trying to use ghost8 to create an image. I was considering putting Cent4 on a ProliantDL380, FC3 installed on that machine but wouldn't boot up, stuck on Grub. I had FC2 on the Proliant but when FC2 went to the 2.6 kernel, it hung up on the Nash prompt. So I ended up putting WBEL on that machine. I'm still evaluating what OS I want to finally put on there. Looks like Centos3 or a BSD. > > So my question is, does anyone know if RH will ever put the 2.6 kernel in RHEL3? I'm not getting a lot of warm fuzzies anymore from linux, since the 2.6 kernels have come out. I can hang with CentOS3 until 2008 as long as the kernel stays with something that works. Has anyone tried RHEL4 or Cent4 on a proliant DL380? > > Dave Kaupp > Catholic Charities, Diocese of San Diego > http://www.ccdsd.org > 619-231-2828 x520 619-287-9454 x157 > > _______________________________________________ > CentOS mailing list > CentOS(a)caosity.org > http://lists.caosity.org/mailman/listinfo/centos > _______________________________________________ CentOS mailing list CentOS(a)caosity.org http://lists.caosity.org/mailman/listinfo/centos

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Re: AW: [Centos] 3Ware 9xxx 9500S-4LP SATA Raid with CentOS3.3?
by Scott Lewis 22 Feb '05

22 Feb '05

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