1.下载mysql源
yum -y install wget wget https://dev.mysql.com/get/mysql57-community-release-el7-11.noarch.rpm
2.安装mysql源
yum -y localinstall mysql57-community-release-el7-11.noarch.rpm
3.在线安装Mysql
yum -y install mysql-community-server
4.启用MySQL服务
systemctl start mysqld
5.设置开机启动
systemctl enable mysqld
systemctl daemon-reload
6.修改root本地登录密码
vi /var/log/mysqld.log
mysql -u root -p
mysql> ALTER USER 'root'@'localhost' IDENTIFIED BY 'your password';
7.设置允许远程登录
mysql> GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY 'your password' WITH GRANT OPTION;
exit
开启防火墙
systemctl start firewalld
firewall-cmd --zone=public --add-port=3306/tcp --permanent firewall-cmd --reload
8.配置默认编码为utf8
修改/etc/my.cnf配置文件，在[mysqld]下添加编码配置，如下所示： [mysqld] character_set_server=utf8 init_connect='SET NAMES utf8'
systemctl restart mysqld
查看编码 mysql> show variables like '%character%';
参考链接：
https://jingyan.baidu.com/article/5552ef47f509bd518ffbc933.html（开启防火墙）