docker.service 失败。详情见 'journalctl -xe'

Question

 docker.service - Docker Application Container Engine
   Loaded: loaded (/lib/systemd/system/docker.service; enabled; vendor preset: enabled)
   Active: inactive (dead) since Thu 2018-05-17 15:47:26 CEST; 17h ago
     Docs: https://docs.docker.com
 Main PID: 11843 (code=exited, status=0/SUCCESS)
   CGroup: /system.slice/docker.service

May 18 08:48:38 temp systemd[1]: docker.service: Job docker.service/start failed with result 'dependency'.
May 18 08:49:09 temp systemd[1]: Stopped Docker Application Container Engine.
May 18 08:49:09 temp systemd[1]: Dependency failed for Docker Application Container Engine.
May 18 08:49:09 temp systemd[1]: docker.service: Job docker.service/start failed with result 'dependency'.
May 18 08:49:15 temp systemd[1]: Dependency failed for Docker Application Container Engine.
May 18 08:49:15 temmp systemd[1]: docker.service: Job docker.service/start failed with result 'dependency'.
May 18 09:00:03 temp systemd[1]: Dependency failed for Docker Application Container Engine.
May 18 09:00:03 temp systemd[1]: docker.service: Job docker.service/start failed with result 'dependency'.
May 18 09:03:51 temp systemd[1]: Dependency failed for Docker Application Container Engine.
May 18 09:03:51 temp systemd[1]: docker.service: Job docker.service/start failed with result 'dependency'.

试图卸载 docker 并重新安装它，但它引发了同样的错误是 docker 守护进程正在运行，有人可以在这里帮助我。

Answer 1

有一个 docker 需要的服务没有运行，因此，systemd 不会启动 docker。

尝试启动journalctl -f(没有-u)来查看所有单元日志，然后启动docker并仔细阅读日志，你可能会看到一些其他单元尝试开始和失败。