Permission denied – we don’t like it! 🙂
After docker installation you can encounter error: Got permission denied while trying to connect to the Docker daemon socket at unix:///var/run/docker.sock: Get http://%2Fvar%2Frun%2Fdocker.sock/v1.40/images/json: dial unix /var/run/docker.sock: connect: permission denied
To resole this issue and to be able to run docker client using your user you must add your user to docker group.
1. Create docker group if doesn’t exists
sudo groupadd docker
2. Add user to docker group
sudo usermod -aG docker $USER
3. Run the newgrp to change the current group ID during a login session
4. Check docker client without root permissions
docker images docker run hello-world
You should see the output like below:
Hello from Docker! This message shows that your installation appears to be working correctly. To generate this message, Docker took the following steps: 1. The Docker client contacted the Docker daemon. 2. The Docker daemon pulled the "hello-world" image from the Docker Hub. (amd64) 3. The Docker daemon created a new container from that image which runs the executable that produces the output you are currently reading. 4. The Docker daemon streamed that output to the Docker client, which sent it to your terminal. To try something more ambitious, you can run an Ubuntu container with: $ docker run -it ubuntu bash Share images, automate workflows, and more with a free Docker ID: https://hub.docker.com/ For more examples and ideas, visit: https://docs.docker.com/get-started/
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