##想当然的指定hostname和端口。。。。失败

[root@mysql01 ~]# /opt/mysql/bin/mysql -uroot -h localhost -P 3307 -p

Enter password:

ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/tmp/mysql.sock' (2)

##正确方法，指定通信协议 --protocol tcp

[root@mysql01 ~]# /opt/mysql/bin/mysql -uroot -h localhost -P 3307 -p --protocol tcp

Enter password:

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

Your MySQL connection id is 8

Server version: 5.6.31-log Source distribution

Copyright (c) 2000, 2016, 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.

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标签：bin,protocol,socket,##,IP,MySQL,mysql,Oracle

来源： https://blog.51cto.com/accole/2468277