This will apply to both x86 and x86_64 servers. Various cleanups are :
Edit /etc/hosts
127.0.0.1 localhost.localdomain localhost
xxx.xxx.xxx.xxx server.example.com server
Usually selinix is not needed and if it is set on permissive it just outputs alot of logs
Edit /etc/selinux/config
SELINUX=disabled
SELINUXTYPE=targeted
Import the GPG keys for software packages
# rpm --import /usr/share/rhn/RPM-GPG-KEY*
Update the system
# yum update -y
Install some software packages
# install fetchmail wget bzip2 unzip zip nmap openssl lynx fileutils ncftp gcc gcc-c++
NTP Setup
yum install ntp
chkconfig --levels 235 ntpd on
ntpdate 0.pool.ntp.org
/etc/init.d/ntpd start
