---
slug: "ubuntu-docker-cant-start"
title: "Ubuntu の Docker が起動しない"
description: "/usr/bin/dockerd がいない\n→ /usr/bin/docker を /usr/bin/docker-ce に書き換え\n→ 起動した"
url: "https://www.ytyng.com/blog/ubuntu-docker-cant-start"
publish_date: "2019-06-30T23:09:26Z"
created: "2019-06-30T23:09:26Z"
updated: "2026-02-27T03:41:35.713Z"
categories: []
keywords: ""
featured_image_url: "https://media.ytyng.com/resize/20230812/16215ae1f5144e1cbe42f57f640b64bf.png.webp?width=768"
has_video: false
has_music: false
video_urls: []
music_urls: []
lang: "ja"
---

# Ubuntu の Docker が起動しない

<pre>$ sudo systemctl status docker<br />● docker.service - Docker Application Container Engine<br /> Loaded: loaded (/lib/systemd/system/docker.service; enabled; vendor preset: enabled)<br /> Active: failed (Result: exit-code) since Mon 2019-07-01 07:48:16 JST; 7min ago<br /> Docs: https://docs.docker.com<br /> Process: 1521 ExecStart=/usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock -s overlay2 (code=exited, status=203/EXEC)<br /> Main PID: 1521 (code=exited, status=203/EXEC)<br />Jul 01 07:48:14 sagittarius systemd[1521]: docker.service: Failed at step EXEC spawning /usr/bin/dockerd: No such file or directory<br />Jul 01 07:48:14 sagittarius systemd[1]: docker.service: Main process exited, code=exited, status=203/EXEC<br />Jul 01 07:48:14 sagittarius systemd[1]: docker.service: Failed with result 'exit-code'.<br />Jul 01 07:48:14 sagittarius systemd[1]: Failed to start Docker Application Container Engine.<br />Jul 01 07:48:16 sagittarius systemd[1]: docker.service: Service hold-off time over, scheduling restart.<br />Jul 01 07:48:16 sagittarius systemd[1]: docker.service: Scheduled restart job, restart counter is at 3.<br />Jul 01 07:48:16 sagittarius systemd[1]: Stopped Docker Application Container Engine.<br />Jul 01 07:48:16 sagittarius systemd[1]: docker.service: Start request repeated too quickly.<br />Jul 01 07:48:16 sagittarius systemd[1]: docker.service: Failed with result 'exit-code'.<br />Jul 01 07:48:16 sagittarius systemd[1]: Failed to start Docker Application Container Engine.</pre>
<p></p>
<p></p>
<p></p>
<pre>$ grep ExecStart /lib/systemd/system/docker.service<br />ExecStart=/usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock</pre>
<p></p>
<pre>$ ls /usr/bin/docker*<br />/usr/bin/docker* /usr/bin/docker-init* /usr/bin/docker-proxy* /usr/bin/dockerd-ce*</pre>
<p></p>
<p>/usr/bin/dockerd がいない</p>
<p></p>
<p>/usr/bin/docker を /usr/bin/docker-ce に書き換え</p>
<pre>$ grep ExecStart /lib/systemd/system/docker.service<br /># ExecStart=/usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock<br />ExecStart=/usr/bin/dockerd-ce -H fd:// --containerd=/run/containerd/containerd.sock</pre>
<p></p>
<pre>$ sudo systemctl daemon-reload</pre>
<pre>$ sudo systemctl start docker</pre>
<p></p>
<p>起動した</p>