CentOS7 install MySQL8

Reference：
https://www.if-not-true-then-false.com/2010/install-mysql-on-fedora-centos-red-hat-rhel/

Step：

    1、https://www.if-not-true-then-false.com/2010/install-mysql-on-fedora-centos-red-hat-rhel/

    2、yum localinstall https://dev.mysql.com/get/mysql80-community-release-el7-1.noarch.rpm

    3、yum install mysql-community-server -y

    4.1、systemctl start mysqld.service
    4.2、systemctl enable mysqld.service
    4.3、systemctl status mysqld.service
    4.4、systemctl stop mysqld.service
    4.5、systemctl restart mysqld.service

    5、Get init password:
    grep 'A temporary password is generated for root@localhost' /var/log/mysqld.log |tail -1

    6、Update password:
    ALTER USER 'root'@'localhost' IDENTIFIED BY 'Root_123456';
    flush privileges;

    7、Create user and grant:
    CREATE USER 'name'@'%' IDENTIFIED WITH mysql_native_password BY 'Root_123456';
    GRANT ALL PRIVILEGES ON *.* TO 'name'@'%'  WITH GRANT OPTION;
    flush privileges;
    

    8、Open port 3306：
    firewall-cmd --zone=public --add-port=3306/tcp --permanent
    firewall-cmd --reload
    
    finish