解决docker启动报错问题。Job for docker.service failed because the control process exited with error code.
解决启动（启动命令：systemctl start docker）报错问题
Job for docker.service failed because the control process exited with error code. See "systemctl status docker.service" and "journalctl -xe" for details.
1、查看服务是否启动。
systemctl status docker.service2、进入docker目录
cd /etc/docker3、修改文件类型
mv daemon.json daemon.conf4、重新启动docker服务
systemctl restart docker
