Unter xenial (Beispiel):
service docker status
● docker.service - Docker Application Container Engine
Loaded: loaded (/etc/systemd/system/docker.service; enabled; vendor preset: enabled)
Active: active (running) since Mon 2018-04-09 23:46:28 CEST; 1 day 13h ago
Docs: https://docs.docker.com
Main PID: 1580 (dockerd)
Tasks: 42
Memory: 253.4M
CPU: 31min 39.175s
CGroup: /system.slice/docker.service
├─1580 /usr/bin/dockerd -H fd://
├─1745 docker-containerd --config /var/run/docker/containerd/containerd.toml
├─2842 docker-containerd-shim -namespace moby -workdir /var/lib/docker/containerd/daemon/io.containerd.runtime.v1.linux/moby/d55dbf9c227058f7cbd12906d0ba213e3aeed302c51f96ce7bd4afbeec692cc0 -address /var/run/docker/containerd/
└─2843 docker-containerd-shim -namespace moby -workdir /var/lib/docker/containerd/daemon/io.containerd.runtime.v1.linux/moby/c8674cb0a7ff3bcaf9919d765acfb611c4bdbcfa36d8d071e84c4aa79489ee05 -address /var/run/docker/containerd/
Aus der Manpage zu service
service runs a System V init script or systemd unit
