(firstvirtualenv) root@iZwz980ructn8c30g25slxZ:/etc# cd mysql
(firstvirtualenv) root@iZwz980ructn8c30g25slxZ:/etc/mysql# ls
conf.d debian.cnf debian-start my.cnf my.cnf.fallback mysql.cnf mysql.conf.d
(firstvirtualenv) root@iZwz980ructn8c30g25slxZ:/etc/mysql# cd mysql.conf.d
(firstvirtualenv) root@iZwz980ructn8c30g25slxZ:/etc/mysql/mysql.conf.d# ls
mysqld.cnf mysqld_safe_syslog.cnf
(firstvirtualenv) root@iZwz980ructn8c30g25slxZ:/etc/mysql/mysql.conf.d# vim mysqld.cnf
(firstvirtualenv) root@iZwz980ructn8c30g25slxZ:/etc/mysql/mysql.conf.d# mysql -u root -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 4
Server version: 5.7.22-0ubuntu0.16.04.1 (Ubuntu)
Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
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 from user
-> ;
+-----------+
| User |
+-----------+
| localhost |
| localhost |
| localhost |
| localhost |
+-----------+
4 rows in set (0.00 sec)
mysql> select Host,User from user
-> ;
+-----------+------------------+
| Host | User |
+-----------+------------------+
| localhost | debian-sys-maint |
| localhost | mysql.session |
| localhost | mysql.sys |
| localhost | root |
+-----------+------------------+
4 rows in set (0.00 sec)
mysql> update user set Host='%' where User='root';
Query OK, 1 row affected (0.00 sec)
Rows matched: 1 Changed: 1 Warnings: 0
mysql> select Host,User from user;
+-----------+------------------+
| Host | User |
+-----------+------------------+
| % | root |
| localhost | debian-sys-maint |
| localhost | mysql.session |
| localhost | mysql.sys |
+-----------+------------------+
4 rows in set (0.00 sec)
mysql> flush pricileges;
ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'pricileges' at line 1
mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)
mysql> exit()
-> ;
ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'exit()' at line 1
mysql> exit;
Bye
(firstvirtualenv) root@iZwz980ructn8c30g25slxZ:/etc/mysql/mysql.conf.d# service mysql restart
(firstvirtualenv) root@iZwz980ructn8c30g25slxZ:/etc/mysql/mysql.conf.d#
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https://blog.csdn.net/baidu_31950961/article/details/73251973