Failed to start Docker Application Container Engine.
docker版本20
sudo systemctl daemon-reload
sudo systemctl restart docker
失败，我按提示输入命令
systemctl status docker.service -l
得到结果
● docker.service - Docker Application Container Engine
Loaded: loaded (/lib/systemd/system/docker.service; enabled; vendor preset: enabled)
Active: failed (Result: exit-code) since Sat 2020-11-28 23:57:39 CST; 2min 36s ago
TriggeredBy: ● docker.socket
Docs: https://docs.docker.com
Process: 51211 ExecStart=/usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock (code=exited, status=1/FAILURE)
Main PID: 51211 (code=exited, status=1/FAILURE)
11月 28 23:57:39 zitao systemd[1]: docker.service: Scheduled restart job, restart counter is at 3.
11月 28 23:57:39 zitao systemd[1]: Stopped Docker Application Container Engine.
11月 28 23:57:39 zitao systemd[1]: docker.service: Start request repeated too quickly.
11月 28 23:57:39 zitao systemd[1]: docker.service: Failed with result 'exit-code'.
11月 28 23:57:39 zitao systemd[1]: Failed to start Docker Application Container Engine.
11月 28 23:57:58 zitao systemd[1]: docker.service: Start request repeated too quickly.
11月 28 23:57:58 zitao systemd[1]: docker.service: Failed with result 'exit-code'.
11月 28 23:57:58 zitao systemd[1]: Failed to start Docker Application Container Engine.
到这里没法解决了，我百度很多都没办法。但是一天之后我看到了这一个
http://www.docker.org.cn/thread/72.html
有个大神的解决方法是这样，改掉daemon.json成这样
}
“registry-mirrors”: [“https://xxxxxxx.mirror.aliyuncs.com”],
“storage-driver” : “devicemapper”
}
改完之后我成功启动docker服务
