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
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