carried out
systemctl start docker
An error
Failed to start docker.service: Unit docker.service is masked.
solve
systemctl unmask docker.service
systemctl unmask docker.socket
systemctl start docker.service
carried out
systemctl start docker
An error
Failed to start docker.service: Unit docker.service is masked.
solve
systemctl unmask docker.service
systemctl unmask docker.socket
systemctl start docker.service