网络配置

查看ip

• ipconfig
• ip addr
• vi /etc/sysconfig/network-scripts/ifcfg-xx
• yum install net-tools

配置网卡ip

vi /etc/sysconfig/network-scripts/ifcfg-xx
onboot = yes

service network restart

ip addr
（ifcfg-xx网卡已经配置到了ip）

使用ifconfig

yum install net-tools

替换Linux默认源

帮助文档：http://mirrors.163.com/.help/centos.html

备份/etc/yum.repos.d/CentOS-Base.repo

mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup

下载对应版本repo文件，放在/etc/yum.repos.d/文件夹下

CentOS7:
wget http://mirrors.163.com/.help/CentOS7-Base-163.repo

生成缓存

yum clean all
yum makecache

安装vim

yum install vim