服务无法启动.删除 mariadb,mariadb-server. 删除 /var/lib/mysql 和 /etc/my.cnf 重新安装
开机启动
systemctl enable mariadb
服务启动
systemctl start mariadb
(status restart stop)
初始化:
mysql_secure_installation
之后按照提示操作
开放端口:
firewall-cmd –zone=public –add-port=3306/tcp –permanent
firewall-cmd –reload
链接:
mysql -h host -u user -P port -p
创建用户:
insert into mysql.user(Host,User,Password) values(“localhost”,”test”,password(“1234”));
授权:
grant select,delete,update,create,drop on . to test@”%” identified by “1234”;
grant select,update on testDB.* to test@localhost identified by ‘1234’;
刷新系统权限表:
flush privileges;
utf8:
vi /etc/my.cnf
[mysqld] character-set-server = utf8 collation-server = utf8_general_ci skip-character-set-client-handshake
其他:
show databases;
use xxx;
show tables;