• : Function ereg() is deprecated in /home/tcdaemon/tygerclan-Prod/site/includes/file.inc on line 649.
  • : Function ereg() is deprecated in /home/tcdaemon/tygerclan-Prod/site/includes/file.inc on line 649.
  • : Function ereg() is deprecated in /home/tcdaemon/tygerclan-Prod/site/includes/file.inc on line 649.
  • : Function ereg() is deprecated in /home/tcdaemon/tygerclan-Prod/site/includes/file.inc on line 649.
  • : Function ereg() is deprecated in /home/tcdaemon/tygerclan-Prod/site/includes/file.inc on line 649.
  • : Function ereg() is deprecated in /home/tcdaemon/tygerclan-Prod/site/includes/file.inc on line 649.
  • : Function ereg() is deprecated in /home/tcdaemon/tygerclan-Prod/site/includes/file.inc on line 649.
  • : Function ereg() is deprecated in /home/tcdaemon/tygerclan-Prod/site/includes/file.inc on line 649.
  • : Function ereg() is deprecated in /home/tcdaemon/tygerclan-Prod/site/includes/file.inc on line 649.
  • : Function ereg() is deprecated in /home/tcdaemon/tygerclan-Prod/site/includes/file.inc on line 649.
  • : Function ereg() is deprecated in /home/tcdaemon/tygerclan-Prod/site/includes/file.inc on line 649.
  • : Function ereg() is deprecated in /home/tcdaemon/tygerclan-Prod/site/includes/file.inc on line 649.
  • : Function ereg() is deprecated in /home/tcdaemon/tygerclan-Prod/site/includes/file.inc on line 649.
  • : Function ereg() is deprecated in /home/tcdaemon/tygerclan-Prod/site/includes/file.inc on line 649.
  • : Function ereg() is deprecated in /home/tcdaemon/tygerclan-Prod/site/includes/file.inc on line 649.
  • : Function ereg() is deprecated in /home/tcdaemon/tygerclan-Prod/site/includes/file.inc on line 649.
  • : Function ereg() is deprecated in /home/tcdaemon/tygerclan-Prod/site/includes/file.inc on line 649.
  • : Function ereg() is deprecated in /home/tcdaemon/tygerclan-Prod/site/includes/file.inc on line 649.
  • : Function ereg() is deprecated in /home/tcdaemon/tygerclan-Prod/site/includes/file.inc on line 649.
  • : Function ereg() is deprecated in /home/tcdaemon/tygerclan-Prod/site/includes/file.inc on line 649.
  • : Function ereg() is deprecated in /home/tcdaemon/tygerclan-Prod/site/includes/file.inc on line 649.
  • : Function ereg() is deprecated in /home/tcdaemon/tygerclan-Prod/site/includes/file.inc on line 649.
  • : Function ereg() is deprecated in /home/tcdaemon/tygerclan-Prod/site/includes/file.inc on line 649.
  • : Function ereg() is deprecated in /home/tcdaemon/tygerclan-Prod/site/includes/file.inc on line 649.
  • : Function ereg() is deprecated in /home/tcdaemon/tygerclan-Prod/site/includes/file.inc on line 649.
  • : Function ereg() is deprecated in /home/tcdaemon/tygerclan-Prod/site/includes/file.inc on line 649.
  • : preg_replace(): The /e modifier is deprecated, use preg_replace_callback instead in /home/tcdaemon/tygerclan-Prod/site/includes/unicode.inc on line 311.
  • : preg_replace(): The /e modifier is deprecated, use preg_replace_callback instead in /home/tcdaemon/tygerclan-Prod/site/includes/unicode.inc on line 311.
  • : preg_replace(): The /e modifier is deprecated, use preg_replace_callback instead in /home/tcdaemon/tygerclan-Prod/site/includes/unicode.inc on line 311.
  • : preg_replace(): The /e modifier is deprecated, use preg_replace_callback instead in /home/tcdaemon/tygerclan-Prod/site/includes/unicode.inc on line 311.
  • : preg_replace(): The /e modifier is deprecated, use preg_replace_callback instead in /home/tcdaemon/tygerclan-Prod/site/includes/unicode.inc on line 311.
  • : preg_replace(): The /e modifier is deprecated, use preg_replace_callback instead in /home/tcdaemon/tygerclan-Prod/site/includes/unicode.inc on line 311.
  • : preg_replace(): The /e modifier is deprecated, use preg_replace_callback instead in /home/tcdaemon/tygerclan-Prod/site/includes/unicode.inc on line 311.
  • : preg_replace(): The /e modifier is deprecated, use preg_replace_callback instead in /home/tcdaemon/tygerclan-Prod/site/includes/unicode.inc on line 311.
  • : Function split() is deprecated in /home/tcdaemon/tygerclan-Prod/site/modules/filter/filter.module on line 1200.
  • : Function split() is deprecated in /home/tcdaemon/tygerclan-Prod/site/modules/filter/filter.module on line 1200.
  • : Function split() is deprecated in /home/tcdaemon/tygerclan-Prod/site/modules/filter/filter.module on line 1200.
  • : Function split() is deprecated in /home/tcdaemon/tygerclan-Prod/site/modules/filter/filter.module on line 1200.
  • : Function split() is deprecated in /home/tcdaemon/tygerclan-Prod/site/modules/filter/filter.module on line 1200.
  • : Function split() is deprecated in /home/tcdaemon/tygerclan-Prod/site/modules/filter/filter.module on line 1200.
  • : Function split() is deprecated in /home/tcdaemon/tygerclan-Prod/site/modules/filter/filter.module on line 1200.
  • : Function split() is deprecated in /home/tcdaemon/tygerclan-Prod/site/modules/filter/filter.module on line 1200.
  • : Function split() is deprecated in /home/tcdaemon/tygerclan-Prod/site/modules/filter/filter.module on line 1200.
  • : Function split() is deprecated in /home/tcdaemon/tygerclan-Prod/site/modules/filter/filter.module on line 1200.
  • : Function split() is deprecated in /home/tcdaemon/tygerclan-Prod/site/modules/filter/filter.module on line 1200.
  • : Function split() is deprecated in /home/tcdaemon/tygerclan-Prod/site/modules/filter/filter.module on line 1200.
  • : Function split() is deprecated in /home/tcdaemon/tygerclan-Prod/site/modules/filter/filter.module on line 1200.
  • : Function split() is deprecated in /home/tcdaemon/tygerclan-Prod/site/modules/filter/filter.module on line 1200.

Convert RHEL to CentOS 5.5

Intro

Here is a quick howto on how to convert an Red Hat Enterprise Linux to Centos 5.5.  You can do this with with any RHEL 5 version 5.5 or older. 

Instructions
  • Make temporary work directory
mkdir ~/centos
cd ~/centos
  • Download CentOS specifc packages
wget http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-5
wget http://mirror.centos.org/centos/5.5/os/i386/CentOS/centos-release-5-5.el...
wget http://mirror.centos.org/centos/5.5/os/i386/CentOS/centos-release-notes-...
wget http://mirror.centos.org/centos/5.5/os/i386/CentOS/yum-3.2.22-26.el5.cen...
wget http://mirror.centos.org/centos/5.5/os/i386/CentOS/yum-updatesd-0.9-2.el...
wget http://mirror.centos.org/centos/5.5/os/i386/CentOS/yum-fastestmirror-1.1...
wget http://mirror.centos.org/centos/5.5/os/i386/CentOS/yum-changelog-1.1.16-14.el5.centos.1.noarch.rpm
  • Import CentOS Signing key
rpm --import RPM-GPG-KEY-CentOS-5
  • Wipe yum cached information
yum clean all
  • Remove Red Hat Network software
rpm -e --nodeps redhat-release rhn-client-tools yum-rhn-plugin
  • Install CentOS specific packages
rpm -Uvh --force *.rpm
  • Upgrade all existing software
yum upgrade
  • Reboot the server and all should be upated.
Other notes

If you want upgrade to a different version of CentOS, all you have to do is modified the CentOS and package versions in the URLs for the RPMs. Make sure to convert to the same version or newer of CentOS otherwise you may loose functionality. 

  • i.e.  http://mirror.centos.org/centos/5.{CentOS-version}/os/i386/CentOS/{package-name}-{package-version}.centos.i386.rpm
References