使用 vultr 主机安装mysql,按照文档:http://www.fancyecommerce.com/2016/04/29/linux-安装mysql5-6/
启动的时候报错
后来发现该主机默认存在下面的文件和文件夹
/etc/my.cnf
/etc/my.cnf.d/
也就是vultr主机,里面默认有mysql的配置,进而造成报错
[root@vultr mysql]# /etc/init.d/mysql restart
ERROR! MySQL server PID file could not be found!
Starting MySQL. ERROR! The server quit without updating PID file (/var/lib/mysql/vultr.guest.pid).
解决办法,将其删除
[root@vultr mysql]# rm -rf /etc/my.cnf
[root@vultr mysql]# rm -rf /etc/my.cnf.d/
[root@vultr mysql]# /etc/init.d/mysql restart
ERROR! MySQL server PID file could not be found!
Starting MySQL. SUCCESS!
然后就启动成功了