CentOS / RHEL: Delete Old Yum Repositories and Configuration Files

How do I delete old yum repositories and configuration files under RHEL 5 or CentOS Linux server?

You can delete old yum repositories and its configuration files from /etc/yum.repos.d/ directory

Method #1: Delete Repo Configuration Files Using the rm Command

Type the following commands
# cd /etc/yum.repos.d/ # ls -l
Sample outputs:

-rw-r--r-- 1 root root  954 Aug 11  2010 epel.repo
-rw-r--r-- 1 root root 1054 Aug 11  2010 epel-testing.repo
-rw-r--r-- 1 root root  561 Dec 14  2010 rhel-debuginfo.repo
-rw-r--r-- 1 root root  222 Dec 14  2010 rhel-source.repo
-rw-r--r-- 1 root root  235 Jan 16 15:27 srpm.repo

To delete epel.repo, enter:
# rm epel.repo epel-testing.repo ### ***************************** ### ### make sure you delete GPG keys also ### ### ***************************** ### # rm /etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL # yum clean all