1.hostname
2.ip/dns
3.selinux
sed -i 's/SELINUX=enforcing/SELINUX=disabled/' /etc/sysconfig/selinux
4.iptables
见iptables.sh
5.yum (非必须)
本地的yum
第三方yum
wget -q -O - http://www.atomicorp.com/installers/atomic | sh (atomic)
yum -y install epel-release.noarch (epel)
6.ulimit
7.Developent Tools gcc gcc-c++ etc;