CentOS5可以禁用的服务
chkconfig yum-updatesd off
chkconfig atd off
chkconfig autofs off
chkconfig avahi-daemon off
chkconfig bluetooth off
chkconfig cups off
chkconfig firstboot off
chkconfig gpm off
chkconfig hidd off
chkconfig ip6tables off
chkconfig isdn off
chkconfig kudzu off
chkconfig netfs off
chkconfig nfslock off
chkconfig pcscd off
chkconfig portmap off
chkconfig rpcgssd off
chkconfig rpcidmapd off
chkconfig sendmail off
chkconfig setroubleshoot off
chkconfig smartd off
运行等级3,查看优化过的服务
chkconfig –list|grep 3:on