安装MySQL

apt-get install mysql-server

service mysql status

mysql

set password for 'root'@'localhost' = password('Admin@123');

GRANT ALL PRIVILEGES ON *.* TO 'root'@'%'IDENTIFIED BY 'Admin@123' WITH GRANT OPTION;

service mysql stop
vim /etc/mysql/mysql.conf.d/mysqld.cnf

service mysql start

service mysql status