출처 http://www.linuxtechi.com/enable-epel-repository-centos-rhel/
EPEL stands for ‘Extra Packages for Enterprise Linux‘ , as the name suggest epel provides additional rpm packages for RHEL , CentOS , Scientific Linux (SL) & Oracle Enterprise Linux (OLE) . EPEL is created and maintained by Fedora community and EPEL packages are 100% free/libre open source software (FLOSS).
In this post we will discuss how to enable epel repository in CentOS / RHEL 5.X / 6.X / 7.X
For CentOS 5.X / RHEL 5.X
Open the terminal & become the root user and execute below command :
For 32 bit OS
# rpm -Uvh http://download.fedoraproject.org/pub/epel/5/i386/epel-release-5-4.noarch.rpm
For 64 bit OS
# rpm -Uvh http://download.fedoraproject.org/pub/epel/5/x86_64/epel-release-5-4.noarch.rpm
For CentOS 6.X / RHEL 6.X
Open the terminal execute below command as a root user.
For 32 bit OS
# rpm -Uvh http://download.fedoraproject.org/pub/epel/6/i386/epel-release-6-8.noarch.rpm
For 64 bit OS
# rpm -Uvh http://download.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm
For CentOS 7.X / RHEL 7.X
Open the terminal execute below command as a root user
For 64 bit OS
# rpm -Uvh http://download.fedoraproject.org/pub/epel/7/x86_64/e/epel-release-7-2.noarch.rpm
Note : EPEL repository file is located under ‘/etc/yum.repos.d/epel.repo’
List New Repository
[root@localhost ~]# yum repolist
Loaded plugins: fastestmirror, langpacks
Loading mirror speeds from cached hostfile
* base: mirror.nbrc.ac.in
* epel: ftp.jaist.ac.jp
* extras: mirror.nbrc.ac.in
* updates: mirror.nbrc.ac.in
repo id repo name status
base/7/x86_64 CentOS-7 - Base 8,465
epel/x86_64 Extra Packages for Enterprise Linux 7 - x86_64 6,349
extras/7/x86_64 CentOS-7 - Extras 75
updates/7/x86_64 CentOS-7 - Updates 1,127
repolist: 16,016
List EPEL Packages :
[root@localhost ~]# yum --disablerepo="*" --enablerepo="epel" list available
Sample Output
Getting Package info
[root@localhost ~]# yum --enablerepo=epel info htop
Loaded plugins: fastestmirror, langpacks
Loading mirror speeds from cached hostfile
* base: mirror.nbrc.ac.in
* epel: ftp.jaist.ac.jp
* extras: mirror.nbrc.ac.in
* updates: mirror.nbrc.ac.in
Available Packages
Name : htop
Arch : x86_64
Version : 1.0.3
Release : 3.el7
Size : 87 k
Repo : epel/x86_64
Summary : Interactive process viewer
URL : http://hisham.hm/htop/
License : GPL+
Description : htop is an interactive text-mode process viewer for Linux, similar to
: top(1).
Installing package from epel repo.
[root@localhost ~]# yum --enablerepo=epel install htop
