启动mysql
service mysqld start
关闭
service mysqld stop重启
service mysqld restart
查看状态mysql启动
service mysqld status
查看MySQL的用户密码
mysql> use mysql;
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A
Database changed
mysql> select host,user,password from mysql.user;
+-----------------------+------+-------------------------------------------+
| host | user | password |
+-----------------------+------+-------------------------------------------+
| localhost | root | *DE7010E8D422A39DBEAF62B32B013E488A497A8B |
| localhost.localdomain | root | |
| 127.0.0.1 | root | |
| ::1 | root | |
| localhost | | |
| localhost.localdomain | | |
| % | root | *E9E97379046088F46B96EDA0E4E4E972CEC52E54 |
+-----------------------+------+-------------------------------------------+
7 rows in set (0.00 sec)这是用户密码
mysql> set password for 'root'@'%'=password('111111')
-> ;
Query OK, 0 rows affected (0.00 sec)
mysql> select host,user,password from mysql.user;
+-----------------------+------+-------------------------------------------+
| host | user | password |
+-----------------------+------+-------------------------------------------+
| localhost | root | *DE7010E8D422A39DBEAF62B32B013E488A497A8B |
| localhost.localdomain | root | |
| 127.0.0.1 | root | |
| ::1 | root | |
| localhost | | |
| localhost.localdomain | | |
| % | root | *FD571203974BA9AFE270FE62151AE967ECA5E0AA |
+-----------------------+------+-------------------------------------------+
7 rows in set (0.00 sec)
查看mysql端口信息
[root@localhost ~]# netstat -anp| grep 3306
tcp6 0 0 :::3306 :::* LISTEN 12665/mysqld
unix 2 [ ACC ] SEQPACKET LISTENING 13306 1/systemd /run/udev/control