How to update yum repositories on your server

yum (Yellow dog Updater Modified) is a package manager for RPM’s compatible with Linux systems such as CentOS, Fedora core and latest Redhat Enterprise Linux.

To enable the installation of the most recent rpms made available by vendors and open source teams worldwide, you must update Yum on your server. Let us examine the process of updating Yum repositories.

You need to install the fastestmirror and yum priorities to start with.
# yum install yum-fastestmirror
# yum install yum-priorities

Now, you need to import a RPM GPG key. You can download the key and import OR import it directly.
# rpm –import http://dag.wieers.com/rpm/packages/RPM-GPG-KEY.dag.txt
or
# cd /usr/local/src
# wget http://dag.wieers.com/rpm/packages/RPM-GPG-KEY.dag.txt
# rpm –import RPM-GPG-KEY.dag.txt

Now let’s install rpm’s release version. To do that first understand the OS architecture. You need to download the rpm according to it.
getconf LONG_BIT

This command will give the output about the OS architecture (32 OR 64 bit).

Download the rpm rpmforge-release-0.3.6-1.el5.rf.i386.rpm OR rpmforge-release-0.3.6-1.el5.rf.x86_64.rpm from the URL http://apt.sw.be/redhat/el5/en depending on OS architecture.

Install rpmforge with command
# rpm -ivh rpmforge-release-0.3.6-1.el5.rf.i386.rpm

Perform a yum update.
# yum check-update

Performing a update on the rpm’s will consume time. Once it’s completed with updating the rpm, go ahead and install the rpm’s you want. This will install the latest available rpm’s available within the community.

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