centos初始化脚本

#!/bin/bash

#vim /etc/resolv.conf
#nameserver 8.8.8.8 #google域名服务器
#nameserver 8.8.4.4 #google域名服务器

# 修改源
cd /etc/yum.repos.d/

mv CentOS-Base.repo CentOS-Base.repo.backup

wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo

# 运行yum makecache生成缓存

yum makecache

# 更新系统

yum -y update

# 安装lrzsz

yum -y install lrzsz