#安装wget
yum install wget -y
#下载安装包
wget http://repo.mysql.com/mysql-community-release-el7-5.noarch.rpm
#安装
rpm -ivh mysql-community-release-el7-5.noarch.rpm
#安装服务
yum install -y mysql-server
#设置权限
chown mysql:mysql -R /var/lib/mysql
#初始化mysql
mysqld --initialize
#启动 MySQL
systemctl start mysqld
#完成mysql 安装 查看 MySQL 运行状态
systemctl status mysqld
#添加mysql端口
firewall-cmd --zone=public --add-port=3306/tcp --permanent
firewall-cmd --reload
#登录mysql
mysql
#修改密码策略
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set global validate_password_policy=0;
set global validate_password_length=4;
#修改密码 为123456
SET PASSWORD = PASSWORD('123456');
#设置远程登录 登录密码123456
grant all privileges on *.* to 'root'@'%' identified by '123456' with grant option;
flush privileges;
#退出mysql登录
exit;
原文链接:https://www.cnblogs.com/ypeuee/p/13235307.html