启动mysql之后，不能进入mysql命令行： Can‘t connect to local MySQL server through socket ‘/tmp/mysql.sock‘：
修改/etc/my.cnf 当中 socket=/tmp/mysql.sock
重启mysql，即可
Can't connect to local MySQL server through socket '/tmp/mysql.sock'
原文：http://shucai.blog.51cto.com/9075040/1735774