centos7 安装 mysql

#首先需要安装mariadb-server
yum install -y mariadb-server
#启动服务
systemctl start mariadb.service
#添加到开机启动
systemctl enable mariadb.service

#设置mysql密码
mysqladmin -u root password "17090056"

grant all privileges  on *.* to [email protected]'%' identified by "17090056";

flush privileges;

select host,user,password from user;
#增加 防火墙 放行端口3306
firewall-cmd --zone=public --add-port=3306/tcp --permanent
#
firewall-cmd --reload
#停止firewall
systemctl stop firewalld.service
#禁止firewall开机启动
systemctl disable firewalld.service