Adding YUM Repositories on CentOS

YUM is a powerful tool to install software on CentOS/Red Hat Linux, YUM works with third party repositories like RPM Forge, it's easy to add it following this steps:

• # yum install  yum-priorities (This will install a program that prevents the third party repositories to overwrite the native packages)
• To enable and set the priorities check the file /etc/yum/pluginconf.d/priorities.conf and make sure to write this lines:
  
  [main]
  enabled = 1
  
  [base]
  priority=1
  
  [addons]
  priority=1
  
  [updates]
  priority=1
  
  [extras]
  priority=1
  
  [centosplus]
  priority=2
  
  [contrib]
  priority=2
  
• Install the RPM Forge repositories:
  
  # rpm --import http://apt.sw.be/RPM-GPG-KEY.dag.txt -> This will install DAG's GPG key
  # rpm -K rpmforge-release-0.5.1-1.el5.rf.*.rpm -> This will check the package
  # rpm -i rpmforge-release-0.5.1-1.el5.rf.*.rpm -> This will install the package
  # yum check-update -> The output for this command must use the priorities and exclude some packages.
  
• Finally we could install ntfs-3g and use it's features on a CentOS Clean Installation.
• This is the package for Red Hat EL5 and CentOS 5 rpmforge-release-0.5.2-2.el5.rf.x86_64.rpm
• It's a good idea to install the repositories for Extra Packages for Enterprise Linux  (EPEL):
  
  # rpm -Uvh epel-release-5-4.noarch.rpm
  # yum repolist -> epel|Extra Packages for Enterprise Linux 5 - x86_64
• This is the package for Red Hat EL5 and CentOS 5 epel-release-5-4.noarch.rpm
  

To learn more about this check this links

RPM Forge 
EPEL