#用于RHEL5系列
wget http://download.fedoraproject.org/pub/epel/5/i386/epel-release-5-4.noarch.rpm
rpm -ivh epel-release-5-4.noarch.rpm
#用于RHEL6系列
wget http://download.fedoraproject.org/pub/epel/6/i386/epel-release-6-5.noarch.rpm
rpm -ivh epel-release-6-5.noarch.rpm

yum clean all
yum install nginx pure-ftpd

vi /etc/yum.repos.d/epel.repo
[epel]
name=epel
mirrorlist=http://mirrors.fedoraproject.org/mirrorlist?repo=epel-$releasever&arch=$basearch
enabled=1
gpgcheck=0

yum clean all && yum update

rpm -Uvh http://poptop.sourceforge.net/yum/stable/rhel6/pptp-release-current.noarch.rpm