Job for docker.service failed because start of the service was attempted too often

问题

Job for docker.service failed because start of the service was attempted too often.

[root@vincent run]# systemctl start docker
Job for docker.service failed because start of the service was attempted too often. See "systemctl status docker.service" and "journalctl -xe" for details.
To force a start use "systemctl reset-failed docker.service" followed by "systemctl start docker.service" again.
[root@vincent run]# 
[root@vincent run]# systemctl status docker
● docker.service - Docker Application Container Engine
   Loaded: loaded (/usr/lib/systemd/system/docker.service; disabled; vendor preset: disabled)
   Active: failed (Result: start-limit) since Sat 2020-07-11 14:10:34 CST; 50s ago
     Docs: https://docs.docker.com
  Process: 1101 ExecStart=/usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock (code=exited, status=1/FAILURE)
 Main PID: 1101 (code=exited, status=1/FAILURE)

Jul 11 14:10:32 vincent systemd[1]: docker.service failed.
Jul 11 14:10:34 vincent systemd[1]: docker.service holdoff time over, scheduling restart.
Jul 11 14:10:34 vincent systemd[1]: Stopped Docker Application Container Engine.
Jul 11 14:10:34 vincent systemd[1]: start request repeated too quickly for docker.service
Jul 11 14:10:34 vincent systemd[1]: Failed to start Docker Application Container Engine.
Jul 11 14:10:34 vincent systemd[1]: Unit docker.service entered failed state.
Jul 11 14:10:34 vincent systemd[1]: docker.service failed.
Jul 11 14:11:12 vincent systemd[1]: start request repeated too quickly for docker.service
Jul 11 14:11:12 vincent systemd[1]: Failed to start Docker Application Container Engine.
Jul 11 14:11:12 vincent systemd[1]: docker.service failed.
[root@vincent run]# 

解决办法

把/etc/docker/daemon.json文件修改后缀为conf的文件daemon.conf，然后重启docker即可