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<section><h1>Installing Docker on Arch Linux</h1><blockquote>Mon 7th March 2022 By David T. Sadler.</blockquote><h2>Installing Docker</h2><p>Docker is installed via pacman.</p><pre><code class="shell">$ sudo pacman -S docker</code></pre><h2>Starting Docker Engine</h2><p>Start the Docker daemon which provides the Docker Engine. This process serves the Docker API and manages Docker containers.</p><pre><code class="shell">$ sudo systemctl start docker.service</code></pre><p>If you want Docker Engine to automatically start when you system boots issue the below command.</p><pre><code class="shell">$ sudo systemctl enable docker.service</code></pre><p>Verify that Docker Engine is running.</p><pre><code class="shell">$ docker info</code></pre><p>Verify that you can run containers. The below will download the latest Arch Linux image and use it to run a "Hello World" bash script in the container.</p><pre><code class="shell">$ docker run -it --rm archlinux bash -c "echo Hello World"</code></pre><h2>Problems </h2><p>You may get an error when running docker info.</p><pre><code class="shell">$ docker info
Got permission denied while trying to connect to the Docker daemon socket at unix:///var/run/docker.sock: Get http://%2Fvar%2Frun%2Fdocker.sock/v1.39/containers/json: dial unix /var/run/docker.sock: connect: permission denied</code></pre><p>The issue is that the user you're running the docker command as is not a member of the docker group. Therefore you can either run the command via sudo or add your user to the docker user group, re-login, and restart docker.service.</p><h3>Links</h3><a href="/posts/docker/">Docker - Read More Posts.</a><p>I don't have comments as I don't want to manage them. You can however contact me at the below address if you want to.</p><a href="mailto:david@davidtsadler.com">Email david@davidtsadler.com</a><h3>License</h3><a href="https://creativecommons.org/licenses/by-sa/4.0/">The contents of this site is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.</a><p>Copyright © 2021 David T. Sadler.</p><a href="/">Return to Homepage.</a></section>
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