一、發現問題

樓主不管輸入那個命令,都出現了:

FATA[0000] Cannot connect to the Docker daemon. Is 'docker -d' running on this host? 

二、解決方法

以及類似的錯誤,就連docker version命令都報錯了,樓主開始找啊找,找到了好多東西,結果發現沒一個能行的,最后樓主使用這樣的命令:

# vim /etc/default/docker 

在該文件中添加如下內容:

DOCKER_OPTS="-H unix:///var/run/docker.sock -H 0.0.0.0:5555" 

# service docker restart 

這樣就行了..我也不知道怎么樣就行了.真的好神奇.

樓主趕快使用了一下

syx@syx-VB:~$ docker version Client version: 1.6.2 Client API version: 1.18 Go version (client): go1.3.3 Git commit (client): 7c8fca2 OS/Arch (client): linux/amd64 Server version: 1.6.2 Server API version: 1.18 Go version (server): go1.3.3 Git commit (server): 7c8fca2 OS/Arch (server): linux/amd64 

好神奇,終于可以了,樓主趕快把docker升級到最新版本.

$ sudo add-apt-repository ppa:docker-maint/testing $ sudo apt-get update $ sudo apt-get install docker.io 

樓主這樣就行了一次,然后就又不行了樓主開始找原因,這次樓主問了問別了,別人說在ubuntu下安裝一個devicemapper

樓主使用的命令如下:

root@syx-VB:~# apt-get install -y libdevmapper-dev 

還是不行啊

root@syx-VB:~# service docker restart  root@syx-VB:~# docker version  root@syx-VB:~# docker version Client version: 1.7.0-dev Client API version: 1.19 Go version (client): go1.4.2 Git commit (client): 9234460 OS/Arch (client): linux/amd64 FATA[0000] Get http:///var/run/docker.sock/v1.19/version: read unix /var/run/docker.sock: connection reset by peer. Are you trying to connect to a TLS-enabled daemon without TLS? 

樓主英語不行,看不懂是啥意思,接著問.

人家告訴樓主使用docker -d來看看:

root@syx-VB:~# docker -d INFO[0000] Listening for HTTP on unix (/var/run/docker.sock) FATA[0000] Error starting daemon: error initializing graphdriver: "/var/lib/docker" contains other graphdrivers: devicemapper; Please cleanup or explicitly choose storage driver (-s <DRIVER>) 

看不懂,接著問大神!!!

root@syx-VB:/var/lib/docker# ls aufs containers devicemapper graph init linkgraph.db repositories-aufs repositories-devicemapper tmp trust volumes 

還真有這個目錄,于是使用:

root@syx-VB:/var/lib/docker# rm -r devicemapper/ 

接著:

root@syx-VB:/var/lib/docker# docker version Client version: 1.7.0-dev Client API version: 1.19 Go version (client): go1.4.2 Git commit (client): 9234460 OS/Arch (client): linux/amd64 FATA[0000] Cannot connect to the Docker daemon. Is 'docker -d' running on this host?