how-to-install-docker-on-ubuntu-19-10_systemctl_status.bash

● docker.service - Docker Application Container Engine
   Loaded: loaded (/lib/systemd/system/docker.service; enabled; vendor preset: enabled)
   Active: active (running) since Wed 2019-12-25 16:16:50 UTC; 3min 26s ago
     Docs: https://docs.docker.com
 Main PID: 3890 (dockerd)
    Tasks: 10
   Memory: 39.2M
   CGroup: /system.slice/docker.service
           └─3890 /usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock

Dec 25 16:16:50 ubuntu dockerd[3890]: time="2019-12-25T16:16:50.455006666Z" level=warning msg="Your kernel does not support cgroup rt runtime"
Dec 25 16:16:50 ubuntu dockerd[3890]: time="2019-12-25T16:16:50.455168946Z" level=warning msg="Your kernel does not support cgroup blkio weight"
Dec 25 16:16:50 ubuntu dockerd[3890]: time="2019-12-25T16:16:50.455330855Z" level=warning msg="Your kernel does not support cgroup blkio weight_device"
Dec 25 16:16:50 ubuntu dockerd[3890]: time="2019-12-25T16:16:50.455994629Z" level=info msg="Loading containers: start."
Dec 25 16:16:50 ubuntu dockerd[3890]: time="2019-12-25T16:16:50.683010855Z" level=info msg="Default bridge (docker0) is assigned with an IP address 172.17.0.0/16. Daemon option --bip can be used to set a preferred IP address"
Dec 25 16:16:50 ubuntu dockerd[3890]: time="2019-12-25T16:16:50.757212458Z" level=info msg="Loading containers: done."
Dec 25 16:16:50 ubuntu dockerd[3890]: time="2019-12-25T16:16:50.851097384Z" level=info msg="Docker daemon" commit=a872fc2f86 graphdriver(s)=overlay2 version=19.03.3
Dec 25 16:16:50 ubuntu dockerd[3890]: time="2019-12-25T16:16:50.851846870Z" level=info msg="Daemon has completed initialization"
Dec 25 16:16:50 ubuntu dockerd[3890]: time="2019-12-25T16:16:50.902925118Z" level=info msg="API listen on /run/docker.sock"
Dec 25 16:16:50 ubuntu systemd[1]: Started Docker Application Container Engine.