Docker 服务无法启动

Question

重新启动虚拟机后，命令 docker 映像命令显示错误：

Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?

似乎 Docker 服务无法正常工作。我试图在Ubuntu VM（v 20.10）上启动docker服务，docker引擎的版本是20.10.5。我使用 systemctl 状态 docker 进行故障排除显示：

docker.service - Docker Application Container Engine

     Loaded: loaded (/lib/systemd/system/docker.service; enabled; vendor preset: enabled)

     Active: failed (Result: exit-code) since Sun 2021-06-06 03:32:23 UTC; 13min ago

TriggeredBy: ● docker.socket

       Docs: https://docs.docker.com

    Process: 7228 ExecStart=/usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock (code=exited, status=2)

   Main PID: 7228 (code=exited, status=2)

Jun 06 03:32:20 cdipp-srv systemd[1]: Failed to start Docker Application Container Engine.

Jun 06 03:32:23 cdipp-srv systemd[1]: docker.service: Scheduled restart job, restart counter is at 3.

Jun 06 03:32:23 cdipp-srv systemd[1]: Stopped Docker Application Container Engine.

Jun 06 03:32:23 cdipp-srv systemd[1]: docker.service: Start request repeated too quickly.

Jun 06 03:32:23 cdipp-srv systemd[1]: docker.service: Failed with result 'exit-code'.

Jun 06 03:32:23 cdipp-srv systemd[1]: Failed to start Docker Application Container Engine.

Answer 1

尝试更新您的系统，尤其是与 Docker 相关的软件包。然后启动 Docker.service 以查看它是否成功运行。

Answer 2

对我来说，这个问题通过安装另一个版本的Docker解决了;已切换回 。对我来说，另一个问题是，由于存储问题，我的目录被重新定位，并且在全新重新安装后，我修改为指向我的自定义docker目录。20.10.1720.10.12/var/lib/docker/lib/systemd/system/docker.service