Mac下Mysql启动异常["ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/tmp/mysql.sock' (2)"]

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2002 (HY000): Can‘t connect to local MySQL server through socket ‘/tmp/mysql.sock‘ (2)

查看mysql的安装位置：

huijundeMacBook-Pro:bin huijunzhang$ which mysql
/usr/local/bin/mysql

说明mysql还是安装过的

huijundeMacBook-Pro:bin huijunzhang$ brew info mysql
mysql: stable 5.7.13 (bottled)
Open source relational database management system
https://dev.mysql.com/doc/refman/5.7/en/
Conflicts with: mariadb, mariadb-connector-c, mysql-cluster, mysql-connector-c, percona-server
/usr/local/Cellar/mysql/5.7.13 (13,344 files, 445.0M) *
  Poured from bottle on 2016-06-30 at 15:05:40
From: https://github.com/Homebrew/homebrew-core/blob/master/Formula/mysql.rb
==> Dependencies
Build: cmake ?
Required: openssl ?
==> Options
--with-archive-storage-engine
    Compile with the ARCHIVE storage engine enabled
--with-blackhole-storage-engine
    Compile with the BLACKHOLE storage engine enabled
--with-debug
    Build with debug support
--with-embedded
    Build the embedded server
--with-local-infile
    Build with local infile loading support
--with-test
    Build with unit tests
==> Caveats
We‘ve installed your MySQL database without a root password. To secure it run:
    mysql_secure_installation

To connect run:
    mysql -uroot

To have launchd start mysql now and restart at login:
  brew services start mysql
Or, if you don‘t want/need a background service you can just run:
  mysql.server start

有可能是mysql服务没有启动

huijundeMacBook-Pro:bin huijunzhang$ mysql.server start
Starting MySQL
. SUCCESS! 

哈哈，mysql服务启动了，好开心呀！

接下来要试试能否进入mysql了

huijundeMacBook-Pro:bin huijunzhang$ mysql
ERROR 1045 (28000): Access denied for user ‘huijunzhang‘@‘localhost‘ (using password: NO)

这个提示应该很明显了吧，权限问题，mysql下没有huijunzhang这个用户，装过mysql的朋友应该知道，安装mysql默认的用户名是root,端口是3306，别问我为什么知道。。。

那就使用root用户启动：

huijundeMacBook-Pro:bin huijunzhang$ sudo mysql
Password:
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 4
Server version: 5.7.13 Homebrew

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.

mysql>
mysql> show databases
    -> ;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| mysql              |
| performance_schema |
| sys                |
+--------------------+
4 rows in set (0.01 sec)

哈哈，问题解决了，好开心呀！

总结：出现“ERROR 2002 (HY000): Can‘t connect to local MySQL server through socket ‘/tmp/mysql.sock‘ (2)”的根本原因就是mysql服务没有启动,下面总结下mysql在mac下的几个常用的命令吧！

$ mysql.server start
$ mysql.server restart
$ mysql.server stop
$ mysql.server status
$ mysql -u root -p

 

Mac下Mysql启动异常["ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/tmp/mysql.sock' (2)"]

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本文系统来源：http://www.cnblogs.com/zhjsll/p/5702950.html

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