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