【问题解决】解决“ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/tmp/mysql.sock'

在mac上安装了mysql后进行登录，总是报ERROR 2002 (HY000)的错误，网上搜索说要先删除/tmp/mysql.sock文件。后来发现/tmp目录下并没有mysql.sock文件，于是启动mysql服务，问题解决！

cd /usr/local/mysql/
sudo ./support-files/mysql.server start

详细可参考此链接：https://blog.csdn.net/cryhelyxx/article/details/43015911