yum update
yum install sysstat
chkconfig --level 123456 bluetooth off
chkconfig --level 123456 avahi-daemon off
chkconfig --level 123456 cups off
chkconfig --level 123456 iptables off
chkconfig --level 123456 ip6tables off
chkconfig --level 123456 pcscd off
chkconfig --level 0123456 yum-updatesd off
chkconfig --level 0123456 smartd off
chkconfig --level 0123456 hidd off
chkconfig --level 0123456 gpm off
chkconfig --level 0123456 apmd off
chkconfig --level 345 ntpd on
chkconfig --level 345 ntpdate on
vi /etc/ntp.conf
vi /etc/sysconfig/selinux
vi /etc/sysconfig/network-scripts/ifcfg-eth0