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 


六，sudo配置 

七，编译环境和工具的安装 

yum groupinstall "Development Libraries" "Development Tools"