The EPEL repository, maintained by the team of fedoraproject, give us the ability to install additional packages such as htop, nagios, etc. multitail with the yum command. By default in RedHat or CentOS, are not allowed because it is not considered stable or reliable. Let’s see how to enable them on CentOS 5.*/6.* or RHEL 5.*/6.*.
The first step is to check that these are not already installed on your system. We can do this by running the command:
# yum repolist
having as output the list of active repo: Continue reading