一， /boot分区备份

二，网络配置

修改主机名：

#vi /etc/sysconfig/network

NETWORKING=yes

#HOSTNAME=localhost.localdomain

HOSTNAME=CentOS-1

#也可以在这里设置网关

#GATEWAY=192。168.30.1

设置网络为DHCP获取

vi /etc/sysconfig/network-scrip/ifcfg-eth0

DEVICE="eth0"

BOOTPROTO="dhcp"

HWADDR="08:00:27:A7:AB:97"

NM_CONTROLLED="no"

ONBOOT="no"

TYPE="Ethernet"

UUID="9622f9e1-6218-4c56-9f45-7ae29b477e89"

设置静态IP

vi /etc/sysconfig/network-scrip/ifcfg-eth0

[root@CentOS-3 ssh]# cat /etc/sysconfig/network-scripts/ifcfg-eth0

DEVICE=eth0

BOOTPROTO=none

HWADDR=08:00:27:e2:62:9b

NM_CONTROLLED=no

ONBOOT=yes

TYPE=Ethernet

IPADDR=192.168.30.223

NETMASK=255.255.255.0

GATEWAY=192.168.30.1

DNS=8.8.8.8

USERCTL=no

IPV6INIT=no

三，安装wget工具

yum install wget

四，源配置

cd /etc/yum.repos.d

mv CentOS-Base.repo bak-CentOS-Base.repo

wget http://mirrors.163.com/.help/CentOS6-Base-163.repo

yum clean all

yum makecache

五，ssh密钥配置

http://www.jb51.net/os/RedHat/63316.html

六，sudo配置

七，编译环境和工具的安装

yum groupinstall "Development Libraries" "Development Tools"