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If you are looking to run Docker on your Ubuntu 20.04 LTS Focal Fossa system, you might have encountered the issue of having to use sudo every time you run a Docker command. This can be a hassle and may hinder your productivity, but there is a way to avoid this inconvenience.
By default, installing Docker on Ubuntu 20.04 requires execution of Docker commands with sudo privileges. However, this can be changed by modifying the Docker daemon configuration file.
The first step is to install Docker on your Ubuntu 20.04 system. This can be done through the official Docker repository, which provides the latest release version of Docker.
Once installed, you can proceed with modifying the Docker daemon configuration file. This file can be found at /etc/docker/daemon.json. If the file does not exist, you can create it.
Next, you need to add the following lines to the file:
"group": "docker" This configuration sets the group ownership of the Docker Unix socket to "docker". This means that any user who is a part of the "docker" group will have permission to execute Docker commands without using sudo.
After saving the file, you need to restart the Docker daemon in order to apply the changes. You can do this by executing the following command:
sudo systemctl restart dockerFinally, you need to add your user account to the "docker" group. This can be done using the following command:
sudo usermod -aG docker $USERReplace $USER with your username. After executing this command, you need to log out and log back in for the changes to take effect.
Once you have completed these steps, you should be able to execute Docker commands without using sudo. This can save you a lot of time and increase your efficiency when working with Docker on Ubuntu 20.04.
In conclusion, by modifying the Docker daemon configuration file and adding your user account to the "docker" group, you can run Docker commands without having to use sudo on Ubuntu 20.04 LTS Focal Fossa system. This simple solution can help you avoid the hassle of using sudo every time you execute a Docker command, and increase your productivity in the process.
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