#!/usr/bin/bashecho "欢迎使用初始化jio本"read -p "是否安装epel源？Y/N:" an1if [ $an1 = 'y' ] || [ $an1 = 'Y' ];then#安装epel源  echo "正在安装epel源，请耐心等待..."  yum -y install epel-release &> /dev/nullelse  breakfi{read -p "是否需要配置base源?Y/N:" an2if [ $an2 = 'y' ] || [ $an2 = 'Y' ];then#配置yum源/bin/cp  /etc/yum.repos.d/CentOS-Base.repo  /etc/yum.repos.d/CentOS-Base.repo.baksed -ri "s/\(mirrorlist=\)/#1/g" /etc/yum.repos.d/CentOS-Base.reposed -ri "s/#\(baseurl=\)/1/g" /etc/yum.repos.d/CentOS-Base.repoelse  breakfi}{read -p "是否需要配置epel源？Y/N:" an3if [ $an3 = 'y' ] || [ $an3 = 'Y' ];then  /bin/cp /etc/yum.repos.d/epel.repo  /etc/yum.repos.d/epel.repo.bak  sed -ri "s/\(mirrorlist=\)/#1/g" /etc/yum.repos.d/epel.repo  sed -ri "s/.*\(baseurl=\)/1/g" /etc/yum.repos.d/epel.repoelse  breakfi}read -p "是否清楚缓存并建立新的缓存？Y/N:" an4if [ $an4 = 'y' ] || [ $an4 = 'Y' ];then  echo "正在清理缓存并建立新的缓存，请稍后..."  #清除缓存  yum clean all  &> /dev/null  #新建缓存  yum makecache &> /dev/null  if [ $? -eq 0 ];then    echo "缓存建立完成！"  else     echo "缓存建立失败，请检查网络或者日志文件！"  fielse  breakfi#关闭防火墙systemctl stop firewalld  &> /dev/nullsystemctl disable firewalld &> /dev/null
#关闭selinuxsetenforce 0 &> /dev/nullsed -ri 's/\(SELINUX=\)enforcing/\1disabled' /etc/selinux/config &> /dev/nullyum -y install vim wget lsfo   &> /dev/nullif [ $? -eq 0 ];then    echo "常用工具安装完成,祝您使用愉快！"else    echo "常用工具安装失败，请检查网络或日志"fi