Mysql报错解决Can't connect to local MySQL server through socket | PID file could not be found

问题描述

重启机器后登陆mysql报错如下：
Can’t connect to local MySQL server through socket ‘/var/lib/mysql/mysql.sock’ (111)
重启mysql服务报错如下：
ERROR! MySQL (Percona Server) PID file could not be found!

解决方法

mkdir -p /var/run/mysqld/
chown -R mysql:mysql /var/run/mysqld/