安装mysql

1.添加 MySQL YUM 源

wget 'https://dev.mysql.com/get/mysql57-community-release-el7-11.noarch.rpm'

sudo rpm -ivh mysql57-community-release-el7-11.noarch.rpm

yum repolist all | grep mysql

2.安装最新版本的mysql

sudo yum -y install mysql-community-server

3.启动 MySQL 服务

sudo systemctl start mysqld

sudo systemctl status mysqld

4.获取默认生成的密码

sudo grep 'temporary password' /var/log/mysqld.log

5.登录mysql，修改初始密码

mysql -uroot -p

ALTER USER 'root'@'localhost' IDENTIFIED BY 'NewPassword';