报错信息
-- Unit docker.service has begun starting up.
3月 23 22:53:52 docker dockerd[82851]: unable to configure the Docker daemon with file /etc/docker/daemon.json: invalid character '"' after object key:value pair
3月 23 22:53:52 docker systemd[1]: docker.service: main process exited, code=exited, status=1/FAILURE
3月 23 22:53:52 docker systemd[1]: Failed to start Docker Application Container Engine.
-- Subject: Unit docker.service has failed
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit docker.service has failed.
思路：
刚下载号私有仓库，就修改了/etc/docker/daemon.json配置文件
解决：
检查/etc/docker/daemon.json配置文件
