Docker: Unit file docker.service does not exist.

[lucylow]

solution:

sudo systemctl unmask docker.service
sudo systemctl unmask docker.socket
sudo systemctl start docker.service

[lucylow]

docker: Got permission denied while trying to connect to the Docker daemon socket at unix:///var/run/docker.sock: Post http://%2Fvar%2Frun%2Fdocker.sock/v1.40/containers/create: dial unix /var/run/docker.sock: connect: permission denied.

[lucylow]

FINAL SOLUTION:

https://stackoverflow.com/questions/48957195/how-to-fix-docker-got-permission-denied-issue

[lucylow]

sudo chmod 666 /var/run/docker.sock

[jpsiyyadri]

didn't work for RHEL

[sousaep1974]

I did all these steps but it still didn't work. Did you get this error:

"docker: Error response from daemon: dial unix /mnt/wsl/docker-desktop/shared-sockets/guest-services/docker.sock: connect: no such file or directory.
See 'docker run --help'."