[系统运维]shell脚本安装mysql

#!/bin/bash
#更改主机名
hostnamectl set-hostname mysql
a=`ss -nulpt | grep 3306 | awk -F: '/tcp/{print $4}'`
if [ ${a} == 3306 ];then
   echo "install mysql"
   echo "ok"
else
   echo "no install mysql"
#创件yum仓库
   echo -e  "[mysql57-community]\nname=MySQL 5.7 Community Server\nbaseurl=https://mirrors.tuna.tsinghua.edu.cn/mysql/yum/mysql57-community-el7/\nenabled=1\ngpgcheck=0" >> /etc/yum.repos.d/local.repo
   yum clean all && yum makecache &> /dev/null
#装包  
   yum install -y httpd php php-mysqlnd php-xml php-json mysql-community* &> /dev/null
   systemctl enable mysqld --now
   b=`ss -nulpt | grep 3306 | awk -F: '/tcp/{print $4}'`
   if [ ${b} == 3306 ];then
      echo "install mysql"
         if [ $? == 0 ];then
             echo "ok"
             mysqladmin -uroot -p`grep -i password /var/log/mysqld.log | awk 'NR==1{print $11}'` password NSD2021@tedu.cn
             echo "passwd is ok"
         else
             echo "no"
         fi
   fi
fi