Add Repositories

Add Repositories 2014/12/22

	Add some useful external repositories to install useful softwares.
[1]	Install a plugin to add priorities to each installed repositories.

[root@dlp ~]#  yum -y install yum-plugin-priorities # set [priority=1] to official repository [root@dlp ~]#  sed -i -e "s/\]$/\]\npriority=1/g" /etc/yum.repos.d/CentOS-Base.repo

[2]	Add EPEL Repository which is provided from Fedora project.

[root@dlp ~]#  yum -y install epel-release # set [priority=5] [root@dlp ~]#  sed -i -e "s/\]$/\]\npriority=5/g" /etc/yum.repos.d/epel.repo # for another way, change to [enabled=0] and use it only when needed [root@dlp ~]#  sed -i -e "s/enabled=1/enabled=0/g" /etc/yum.repos.d/epel.repo # if [enabled=0], input a command to use the repository [root@dlp ~]#  yum --enablerepo=epel install [Package]

[3]	Add RPMforge Repository which provides many useful packages.

[root@dlp ~]#  yum -y install http://pkgs.repoforge.org/rpmforge-release/rpmforge-release-0.5.3-1.el7.rf.x86_64.rpm # set [priority=10] [root@dlp ~]#  sed -i -e "s/\]$/\]\npriority=10/g" /etc/yum.repos.d/rpmforge.repo # for another way, change to [enabled=0] and use it only when needed [root@dlp ~]#  sed -i -e "s/enabled = 1/enabled = 0/g" /etc/yum.repos.d/rpmforge.repo # if [enabled=0], input a command to use the repository [root@dlp ~]#  yum --enablerepo=rpmforge install [Package]