Centos6.6 系统优化

1：最小化安装

2：修改网卡

vim /etc/sysconfig/network-scripts/ifcfg-eth0

DEVICE=eth0
HWADDR=52:54:00:0e:c2:c3
TYPE=Ethernet
UUID=14902246-7b8b-4553-b2c3-167458f3ae72
ONBOOT=no
NM_CONTROLLED=yes
BOOTPROTO=yes
USERCTL=no
IPV6INIT=no
IPADDR=192.168.122.4
NETMASK=255.255.255.0
DNS2=8.8.8.8
GATEWAY=192.168.122.1
DNS1=114.114.114.144
~

3:修改主机名

vim /etc/sysconfig/network

4:hosts 本机解析

vim /etc/networks 

5：精简开机系统服务

1: ntsysv

2: setup   system server

3: 

chkconfig --list|grep 3:on|grep -vE "crond|sshd|network|rsyslog|sysstat" |awk '{print "chkconfig "$1 " off" }'|bash

chkconfig --list|grep 3:on

6：锁定系统文件

chattr +i /etc/passwd /etc/group /etc/gshadow /etc/inittab

7：关闭selinux

sed -i 's/SELINUX=enforcing/SELINUX=disabled/' /etc/selinux/config