If you want to avoid typing sudo whenever you run the docker command, add your username to the docker group:

 
  • sudo usermod -aG docker ${USER}

To apply the new group membership, you can log out of the server and back in, or you can type the following:

 
  • su - ${USER}

You will be prompted to enter your user's password to continue. Afterwards, you can confirm that your user is now added to the docker group by typing:

 
  • id -nG
 

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Output

sammy sudo docker

If you need to add a user to the docker group that you're not logged in as, declare that username explicitly using:

 
  • sudo usermod -aG docker username

The rest of this article assumes you are running the docker command as a user in the docker user group. If you choose not to, please prepend the commands with sudo

Submitted 4 years 11 months ago by ddkits-admin.