thufir@arrakis:~ $
thufir@arrakis:~ $ ll /etc/yum.repos.d/
total 20
-rw-r--r-- 1 root root 2139 Sep 28  2013 CentOS-Base.repo
-rw-r--r-- 1 root root  718 May 31  2013 CentOS-Debuginfo.repo
-rw-r--r-- 1 root root  630 May 31  2013 CentOS-Media.repo
-rw-r--r-- 1 root root 3664 May 31  2013 CentOS-Vault.repo
-rw-r--r-- 1 root root  293 May 31  2013 schmooze.repo
thufir@arrakis:~ $
thufir@arrakis:~ $ cat /etc/redhat-release
CentOS release 6.4 (Final)
thufir@arrakis:~ $
thufir@arrakis:~ $ yum search alpine
Loaded plugins: fastestmirror, refresh-packagekit
Determining fastest mirrors
 * base: centos.eecs.wsu.edu
 * extras: mirror.spro.net
 * updates: mirror.hostduplex.com
schmooze-commercial                                                                                                          171/171
Warning: No matches found for: alpine
No Matches found
thufir@arrakis:~ $

yum install epel-release
yum install alpine