wget http://download.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-5.noarch.rpm
$ sudo rpm -ivh epel-release-6-5.noarch.rpm
$ sudo yum search xfce
$ sudo yum groupinfo xfce
$ sudo yum groupinstall xfce
wget http://download.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-5.noarch.rpm
$ sudo rpm -ivh epel-release-6-5.noarch.rpm
$ sudo yum search xfce
$ sudo yum groupinfo xfce
$ sudo yum groupinstall xfce