I followed this one:
sudo systemctl status docker
returns:
● docker.service - Docker Application Container Engine
Loaded: loaded (/lib/systemd/system/docker.service; enabled; vendor preset: enabled)
Active: failed (Result: exit-code) since Sat 2022-03-12 13:55:47 UTC; 2s ago
TriggeredBy: ● docker.socket
Docs: https://docs.docker.com
Process: 4686 ExecStart=/usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock (code=exited, status=1/FAILURE)
Main PID: 4686 (code=exited, status=1/FAILURE)
Mar 12 13:55:45 Node2 systemd[1]: docker.service: Main process exited, code=exited, status=1/FAILURE
Mar 12 13:55:45 Node2 systemd[1]: docker.service: Failed with result 'exit-code'.
Mar 12 13:55:45 Node2 systemd[1]: Failed to start Docker Application Container Engine.
Mar 12 13:55:47 Node2 systemd[1]: docker.service: Scheduled restart job, restart counter is at 3.
Mar 12 13:55:47 Node2 systemd[1]: Stopped Docker Application Container Engine.
Mar 12 13:55:47 Node2 systemd[1]: docker.service: Start request repeated too quickly.
Mar 12 13:55:47 Node2 systemd[1]: docker.service: Failed with result 'exit-code'.
Mar 12 13:55:47 Node2 systemd[1]: Failed to start Docker Application Container Engine.