我无法从我的 ubuntu 服务器重新启动我的 mysql 服务。这是错误：
? mysql.service - LSB: Start and stop the mysql database server daemon
Loaded: loaded (/etc/init.d/mysql; bad; vendor preset: enabled)
Active: failed (Result: exit-code) since mer. 2016-06-08 17:31:06 CEST; 54s ago
Docs: man:systemd-sysv-generator(8) Process: 4087 ExecStart=/etc/init.d/mysql start (code=exited, status=1/FAILURE)
juin 08 17:31:06 SRV-OVH-GIC03-V /etc/init.d/mysql[4569]: 0 processes alive and '/usr/bin/mysqladmin --defaults-file=/etc/mysql/debian.cnf ping' resulted in
juin 08 17:31:06 SRV-OVH-GIC03-V /etc/init.d/mysql[4569]: [61B blob data]
juin 08 17:31:06 SRV-OVH-GIC03-V /etc/init.d/mysql[4569]: error: 'Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' …