3.3、mysql5.7&8.0开启远程登录权限
1、mysql5.7开启远程登录权限
GRANT ALL PRIVILEGES
ON *.* TO 'root'@'%' IDENTIFIED BY 'Admin123*' WITH GRANT OPTION;
FLUSH PRIVILEGES;
2、mysql8.0开启远程登陆权限
mysql> show databases;
+--------------------+
| Database |
+--------------------+
| information_schema |
| mysql |【这个数据库含有usr表】
| performance_schema |
| sys |
+--------------------+
4 rows in set (0.01 sec
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> show tables
-> ;
+---------------------------+
| Tables_in_mysql |
+---------------------------+
| columns_priv |
| component |
| db |
| default_roles |
| engine_cost |
| func |
| general_log |
| global_grants |
| gtid_executed |
| help_category |
| help_keyword |
| help_relation |
| help_topic |
| innodb_index_stats |
| innodb_table_stats |
| password_history |
| plugin |
| procs_priv |
| proxies_priv |
| role_edges |
| server_cost |
| servers |
| slave_master_info |
| slave_relay_log_info |
| slave_worker_info |
| slow_log |
| tables_priv |
| time_zone |
| time_zone_leap_second |
| time_zone_name |
| time_zone_transition |
| time_zone_transition_type |
| user |【找到user表】
+---------------------------+
33 rows in set (0.00 sec)
mysql> update user set host = "%" where user='root';【设置root用户远程连接】
Query OK, 1 row affected (0.03 sec)
Rows matched: 1 Changed: 1 Warnings: 0
mysql> select host, user, authentication_string, plugin from user;【查看用户权限，root的host为%,表示可以进行远程连接】
+-----------+------------------+------------------------------------------------------------------------+-----------------------+
| host | user | authentication_string | plugin |
+-----------+------------------+------------------------------------------------------------------------+-----------------------+| % | root | $A$005$1pg#)80Qbb.*0( ~F1iXY3XZdgigIERqgyo/8rRlwEiW/gN00A0zVF2llP5 | caching_sha2_password || localhost | mysql.infoschema | $A$005$THISISACOMBINATIONOFINVALIDSALTANDPASSWORDTHATMUSTNEVERBRBEUSED | caching_sha2_password || localhost | mysql.session | $A$005$THISISACOMBINATIONOFINVALIDSALTANDPASSWORDTHATMUSTNEVERBRBEUSED | caching_sha2_password || localhost | mysql.sys | $A$005$THISISACOMBINATIONOFINVALIDSALTANDPASSWORDTHATMUSTNEVERBRBEUSED | caching_sha2_password |
+-----------+------------------+------------------------------------------------------------------------+-----------------------+
4 rows in set (0.00 sec)
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