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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

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/containers/json: dial unix /var/run/docker.sock: connect: permission denied

Docker Makes Development Efficient And Predictable

docker automates boring configuration processes and is utilized across the development lifecycle for fast, easy, and portable desktop and cloud application development. Docker’s end-to-end platform comprises UIs, CLIs, APIs, and security that are all designed to function together across the application delivery lifecycle.


Using Docker You Can…

Build

Utilize Docker images to quickly construct your own unique applications on Windows and Mac to get a jump start on your coding. docker Compose can help you build a multi-container program.
docker integrates with all of your favorite development tools, including VS Code, CircleCI, and GitHub, so you can use them throughout your development pipeline.
Package apps as portable container images to run in a variety of environments, including Kubernetes on premises, AWS ECS, Azure ACI, Google GKE, and others.

Share

Use Docker Trusted Content from the Docker Hub repository, such as docker Official Images and images from docker Verified Publishers.
Collaborate with team members and other developers to come up with new ideas, and easily upload images to docker Hub.
With roles-based access control and docker Hub Audit Logs, you can customize developer access to images and gain insight into activity history.

Run

Deliver multiple applications with ease, and have them run the same way in all of your settings – desktop or cloud-native – including design, testing, staging, and production.
Deploy your applications in various containers, each with its own language. Reduce the possibility of clashing languages, libraries, or frameworks.
With the ease of docker Compose CLI, you can run your applications locally and in the cloud with AWS ECS and Azure ACI with just one command.

Where Can I Find Official Docker Images?

The best place to look for official images is Docker Hub. There you will find countless ready-made images to use for free, along with usage descriptions and source code reference to Github, Gitlab or other code repository.


got permission denied while trying to connect to the docker daemon socket
dial unix /var/run/docker.sock: connect: permission denied
got permission denied while trying to connect to the docker daemon socket at unix:///var/run/docker.sock

Solution For: Got Permission Denied While Trying To Connect To The Docker Daemon Socket

To resole this issue and to be able to run docker client using your user you must add your user to docker group.


dial unix /var/run/docker.sock: connect: permission denied


Please follow the 4 steps below:

1. Create docker group if doesn’t exists

# Create docker group if doesn't exists
sudo groupadd docker

2. Add user to docker group

# Add user to docker group
sudo usermod -aG docker $USER

3. Run the newgrp to change the current group ID during a login session

# Run the newgrp to change the current group ID during a login session
newgrp docker

4. Check docker client without root permissions

# 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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FAQ

How do I fix docker permission is denied?

How do I fix docker got permission denied while trying to connect to the docker daemon socket?

How do I give sudo permission to docker?

How can I tell if docker daemon is running?

Execute docker ps and check the docker client response. You container should have the Up status.

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