1、service --status-all

service --status-all

输出：
● fdfs_storaged.service - LSB: FastDFS storage server
   Loaded: loaded (/etc/rc.d/init.d/fdfs_storaged; bad; vendor preset: disabled)
   Active: active (running) since Thu 2019-03-28 09:53:35 CST; 5 years 8 months ago
     Docs: man:systemd-sysv-gen