http://repo.mysql.com/yum/mysql-5.6-community/

# 查看和mysql有关的安装包

yum search mysql 

# 安装mysql社区版本yum源

yum -y install http://repo.mysql.com/yum/mysql-5.6-community/el/7/x86_64/mysql-community-release-el7-5.noarch.rpm

# 找到community社区版本的mysql包

yum search mysql |grep community

# 使用yum安装下列

yum -y install mysql-community-server.x86_64 mysql-community-client.x86_64 mysql-community-server.x86_64 mysql-community-client.x86_64

# 下载离线包

yumdownloader mysql-community-server.x86_64 mysql-community-client.x86_64 mysql-community-libs.x86_64 mysql-community-common.x86_64

# 安装

yum -y install mysql-community-client-5.6.41-2.el7.x86_64.rpm mysql-community-server-5.6.41-2.el7.x86_64.rpm mysql-community-common-5.6.41-2.el7.x86_64.rpm mysql-community-libs-5.6.41-2.el7.x86_64.rpm

# 启停服务

systemctl {start|stop|restart|status} mysqld.service

systemctl start mysqld.service

# 查看服务状态

systemctl status mysqld.service

# 安全初始化

/usr/bin/mysql_secure_installation

# 停系统防火墙

systemctl stop firewalld.service

# 查看强制访问控制状态

getenforce

# 关闭强制访问控制策略

setenforce 0

# 创建root远程登陆密

mysql -h 127.0.0.1 -u root -p

mysql> grant all privileges on *.* to root@'%' identified by "root";

mysql> flush privileges;