配置docker的這個文件/etc/docker/daemon.json后出錯或者修改docker.service之后。修改此文件后重新加載

systemctl daemon-reload 加載配置文件。使其生效
systemctl start docker 重啟

問題原因： 是因為docker.service 這個文件中配置的啟動參數和daemon.json的參數沖突了

Job for docker.service failed because the control process exited with error code. See “sys temctl status docker.service” and “journalctl -xe” for details.

一定要分清楚自己電腦上的docker.service的位置，有的在usr下，有的在、ect/systemd/system/下。

docker.service的

ExecStart=/usr/bin/dockerd --selinux-enabled=false --insecure-registry=127.0.0.1

用于指定啟動參數，參數不能和daemon.json的重復。我就是重復報錯。

Dec 05 11:54:15 contosnodedou dockerd[23207]: unable to configure the Docker daemon with file /et
Dec 05 11:54:15 contosnodedou systemd[1]: docker.service: main process exited, code=exited, statu
Dec 05 11:54:15 contosnodedou 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.
--
-- The result is failed.
Dec 05 11:54:15 contosnodedou systemd[1]: Unit docker.service entered failed state.
Dec 05 11:54:15 contosnodedou systemd[1]: docker.service failed.
Dec 05 11:54:15 contosnodedou systemd[1]: docker.service holdoff time over, scheduling restart.
Dec 05 11:54:15 contosnodedou systemd[1]: Stopped Docker Application Container Engine.
-- Subject: Unit docker.service has finished shutting down
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit docker.service has finished shutting down.
Dec 05 11:54:15 contosnodedou systemd[1]: start request repeated too quickly for docker.service
Dec 05 11:54:15 contosnodedou 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.
--
-- The result is failed.
Dec 05 11:54:15 contosnodedou systemd[1]: Unit docker.service entered failed state.
Dec 05 11:54:15 contosnodedou systemd[1]: docker.service failed.

如果還是啟動不了，只能重新安裝

docker上傳私有倉庫步驟

docker images //查看所有鏡像

docker tag images中的鏡像id 私有倉庫的ip:port/鏡像名:新的tag

docker push 私有倉庫的ip:port/鏡像名:新的tag //長傳自己的鏡像

docker pull 私有倉庫的ip:port/鏡像名:新的tag //其他拉去。。。

Docker數據目錄遷移解決方案親測

Docker 刪除 images

1. 刪除指定容器
   docker rm -f
2. 刪除未啟動成功的容器
   docker rm $(docker ps -a|grep Created|awk ‘{print $1}’)
   或者
   docker rm $(docker ps -qf status=created)
3. 刪除退出狀態的容器
   docker rm $(docker ps -a|grep Exited|awk ‘{print $1}’)
   或者
   docker rm $(docker ps -qf status=exited)
4. 刪除所有未運行的容器
   docker rm $(docker ps -a -q) #正在運行的刪除不了，所有未運行的都被刪除了
   或者
   docker container prune #Docker 1.13版本以后，可以使用 docker containers prune 命令，刪除孤立的容器