# Install Docker Engine on Capsul

1. On Windows, open a cmd.exe window and connect to your capsul using the ssh command. ![ssh-login](../res/install-docker-capsul/ssh-to-capsul.png)

1. In your browser, open https://docs.docker.com/engine/install/debian/ and follow the instructions to **Install Docker Engine on Debian.** After you finish these steps, be sure to do the last step, to add the *user* to the *docker* group. 
![000](../res/install-docker-capsul/000.png)
![001](../res/install-docker-capsul/001.png)
![002](../res/install-docker-capsul/002.png)

# Add *user* to the *docker* Group

After installing docker on your capsule, use *sudo usermod* command to add *user* to the *docker* group. Be sure to logout for this change to take effect. When you ssh back into the capsul, the *id* command shows which groups *user* is in.

    ![13](../res/install-docker-capsul/13.png)
![14](../res/install-docker-capsul/14.png)
![15](../res/install-docker-capsul/15.png)

After installing docker on the capsule and confirming that *user* is in the *docker* group, continue to the next step.

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