linux安装MySQL后输入mysql显示 ERROR 2002 (HY000): Can't connect to local MySQL server through socket

我是小白，大佬勿喷

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linux安装MySQL后输入mysql显示

ERROR 2002 (HY000): Can't connect to local MySQL server through socket
解决办法
输入service mysql restart

root@DES:/# service mysql restart
 * Stopping MySQL database server mysqld                                                                         [ OK ]
 * Starting MySQL database server mysqld                                                                                No directory, logging in with HOME=/
                                                                                                                 [ OK ]

然后输入mysql

root@DES:/# mysql
Welcome to the MySQL monitor.  Commands end with ; or g.
Your MySQL connection id is 4
Server version: 5.7.26-0ubuntu0.18.04.1 (Ubuntu)

Copyright (c) 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>

问题解决