一键安装mysql5.7及密码策略修改方法

[root@uat01 ~]# cat InstallMysql01.sh 
#!/bin/bash
#2018-10-13
#旅行者-Travel
#1.安装wget
yum -y install wget
#2、下载mysql的yum源
URL="https://repo.mysql.com//mysql80-community-release-el7-1.noarch.rpm"
wget $URL -P /etc/yum.repos.d/
yum -y install yum-utils #如果没有该包，下边执行yum-config-manager不生效
yum -y install /etc/yum.repos.d/mysql80-community-release-el7-1.noarch.rpm
 if [ $? -eq 0 ];then
  rm -rf /etc/yum.repos.d/mysql80-community-release-el7-1.noarch*
 fi
yum-config-manager --disable mysql80-community
yum-config-manager --enable mysql57-community
yum -y install mysql-community-server
 sleep 5
 systemctl start mysqld 
 systemctl enable mysqld
 systemctl status mysqld
 if [ $? -eq 0 ];then
  echo -e "install succefull"
  result="`grep 'temporary password' /var/log/mysqld.log`"
  p1="`echo $result |awk '{print $NF}'`"
  echo "数据库密码为:$p1"
 
 fi
[root@uat01 ~]#