centos7启动MySQL报 Job for mysqld.service failed because the control process exited with error code. See "systemctl status mysqld.service
/var/run/mysqld/的属主和属组属于root，mysql并不能在其中创建文件 手动的新建目录 ...
原文：centos7.3配置mysql5.6无法启动和重启报错：Job for mysqld.service failed because a timeout was exceeded.
entos . 配置mysql . 无法启动和重启报错：Job for mysqld.service failed because a timeout was exceeded.尝试用root登录MySQL是报错ERROR HY : Can t connect to local MySQL server through socket var lib mysql mysql.sock 分别使用sys ...
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