脚本

#!/usr/bin/env bash

rm -f /etc/my.cnf
rm -rf /etc/my.cnf.d
rm -rf mysql

yum install -y  epel-release

yum install -y wget
wget  https://repo.mysql.com/mysql80-community-release-el7-1.noarch.rpm
rpm -ivh mysql80-community-release-el7-1.noarch.rpm
rpm --import https://repo.mysql.com/RPM-GPG-KEY-mysql-2022
yum install -y mysql-community-server-8.0.25
systemctl enable mysqld.service
cat /var/log/mysqld.log | grep password


yum -y install mysql-community-libs-compat.x86_64
yum install -y https://repo.percona.com/yum/percona-release-latest.noarch.rpm
yum install -y percona-xtrabackup-80.x86_64

systemctl start mysqld.service

修改密码

获取初始密码登录mysql

[root@lys-mysql-test001 ~]# cat /var/log/mysqld.log | grep password
2022-04-14T06:49:57.151045Z 6 [Note] [MY-010454] [Server] A temporary password is generated for root@localhost: ed>1Rfx?
mysql -u root -p

ALTER USER 'root'@'localhost' IDENTIFIED BY 'AAbb1122!!';