无法找到mysql.sock和mysql.pid
在一次服务器重启后就无法启动mysql了
[root@vultr mysql]# service mysqld start
/usr/bin/mysqld_safe: line 183: 6408 Killed nohup /usr/sbin/mysqld --basedir=/usr --datadir=/var/lib/mysql --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/var/log/mysqld.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock < /dev/null > /dev/null 2>&1
MySQL Daemon failed to start.
Starting mysqld: [FAILED]