https://errorvault.dev/tags/docker-desktop/ Recent content in Docker-Desktop on ErrorVault — Developer Error Code Dictionary Hugo en-us Thu, 16 Jul 2026 19:56:04 +0800 https://errorvault.dev/docker/docker-daemon-connection-cannot-connect/ Thu, 16 Jul 2026 19:56:04 +0800 https://errorvault.dev/docker/docker-daemon-connection-cannot-connect/ <h2 id="1-symptoms">1. Symptoms</h2> <p>When the Docker daemon is inaccessible, every <code>docker</code> CLI command fails with a recognizable error message. The most common presentation appears as follows:</p> <div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#282a36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span>$ docker ps </span></span><span style="display:flex;"><span>Cannot connect to the Docker daemon at unix:///var/run/docker.sock. </span></span><span style="display:flex;"><span>Is the docker daemon running? </span></span><span style="display:flex;"><span> </span></span><span style="display:flex;"><span>$ docker images </span></span><span style="display:flex;"><span>Cannot connect to the Docker daemon at unix:///var/run/docker.sock. </span></span><span style="display:flex;"><span>Is the docker daemon running? </span></span><span style="display:flex;"><span> </span></span><span style="display:flex;"><span>$ docker-compose up </span></span><span style="display:flex;"><span>ERROR: </span></span><span style="display:flex;"><span> Can&#39;t connect to Docker daemon at http+docker://localhost </span></span><span style="display:flex;"><span> </span></span><span style="display:flex;"><span> Is the docker daemon running? </span></span></code></pre></div><p>On systems where Docker Desktop is installed, you may encounter an equivalent message indicating that the daemon is not reachable:</p>