centos系统 yum配置 初始化脚本

#删除系统原有的YUM源
rm -rf /etc/yum.repos.d/*
                 
#配置阿里云基础源（base,extras,updates）
curl https://mirrors.aliyun.com/repo/Centos-7.repo -o /etc/yum.repos.d/CentOS-Base.repo
                 
#配置阿里云EPEL源
curl https://mirrors.aliyun.com/repo/epel-7.repo -o /etc/yum.repos.d/epel.repo
               
#安装基本的软件包
yum install -y wget curl vim-enhanced git net-tools bash-completion
  
#关闭防火墙
systemctl stop firewalld.service
systemctl disable firewalld.service