Navicate连接Mysql报错2003 Cant connect to MySQL server on (10038)

报错

使用Navicate连接，一般服务器有防火墙，首先你需要增加端口

https://blog.csdn.net/yujing1314/article/details/104081351

正文

然后

mysql -u root -p

Enter password:

Welcome to the MySQL monitor. Commands end with ; or \g.

Your MySQL connection id is 34

Server version: 5.7.26 MySQL Community Server (GPL)

Copyright © 2000, 2019, 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> show databases;

±-------------------+

| Database |

±-------------------+

| information_schema |

| mysql |

| performance_schema |

| sys |

±-------------------+

4 rows in set (0.00 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 |

| db |

| engine_cost |

| event |

| func |

| general_log |

| gtid_executed |

| help_category |

| help_keyword |

| help_relation |

| help_topic |

| innodb_index_stats |

| innodb_table_stats |

| ndb_binlog_index |

| plugin |

| proc |

| procs_priv |

| proxies_priv |

| 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 |

±--------------------------+

31 rows in set (0.00 sec)

mysql> select Host,User,Password from user;

ERROR 1054 (42S22): Unknown column ‘Password’ in ‘field list’

mysql> select Host, User from user;

±----------±--------------+

| Host | User |

±----------±--------------+

| localhost | mysql.session |

| localhost | mysql.sys |

| localhost | root |

±----------±--------------+

3 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

允许远程连接

mysql> GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' WITH GRANT OPTION;

Query OK, 0 rows affected (0.00 sec)

刷新

mysql> FLUSH PRIVILEGES;

Query OK, 0 rows affected (0.00 sec)

mysql> EXIT

又报错

第一步：登录mysql

[root@localhost bin]# mysql -u root -p

Enter password:

Welcome to the MySQL monitor. Commands end with ; or \g.

Your MySQL connection id is 7

Server version: 5.5.58 MySQL Community Server (GPL)

Copyright © 2000, 2017, 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.

第二步：选择库

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

第三步：修改密码

mysql> update user set password=password(“123456”) where user=“root”;

Query OK, 4 rows affected (0.02 sec)

Rows matched: 5 Changed: 4 Warnings: 0

第四步：刷新

mysql> flush privileges;

Query OK, 0 rows affected (0.00 sec)

结束

mysql> quit;

Bye

最后 成功