This question shows research effort; it is useful and clear 2 Show activity on this post. recently I did a sudo usermod -a -G docker $USER command. It made my linux behave funny, getting stuck at finishing screen of restart, not opening chrome a single time. I would like to undo it. didn't find anywhere online how to do it. would love some help! thx in advance dockersudo Follow this question to receive notifications asked Feb 5, 2018 at 6:29 urizafurizaf191 silver badge5 bronze badges 1 Answer 4 Show activity on this post. Follow this answer to receive notifications answered Feb 5, 2018 at 6:35 vivekyad4vvivekyad4v14.5k5 gold badges63 silver badges71 bronze badges 2 Thx! I already reinstalled linux. it gave me too many bugs which I didn't know to fix. Commented Feb 6, 2018 at 8:27 So you're removing the user: root from the docker group ?!? Commented Feb 4, 2021 at 9:54