Docker是在WSL中运行还是连接回Windows？
[英]Is Docker running within WSL or connecting back to Windows?
问题描述
After successfully installing Docker in WSL, if I run standard Docker commands, I get connection errors. 
在WSL中成功安装Docker后，如果我运行标准的Docker命令，则会出现连接错误。 Runing with sudo or not yields the same result in all examples. 在所有示例中，使用sudo运行或不运行会产生相同的结果。
root@SUR002731165154:~# sudo docker info
Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?
root@SUR002731165154:~# sudo docker version
Client:
Version: 1.13.1
API version: 1.26
Go version: go1.7.5
Git commit: 092cba3
Built: Wed Feb 8 06:42:29 2017
OS/Arch: linux/amd64
Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?
However, if I add -H localhost:2375 to the command I can run Docker no problem. 但是，如果我将-H localhost：2375添加到命令我可以运行Docker没问题。 Is Docker connecting to my localhost Windows 10 machine or is it running locally on WSL, or is doing a bit of both? Docker是连接到我的localhost Windows 10计算机还是在WSL上本地运行，或者两者兼而有之？
root@SUR002731165154:~# docker -H localhost:2375 version
Client:
Version: 1.13.1
API version: 1.26
Go version: go1.7.5
Git commit: 092cba3
Built: Wed Feb 8 06:42:29 2017
OS/Arch: linux/amd64
Server:
Version: 1.13.1
API version: 1.26 (minimum version 1.12)
Go version: go1.7.5
Git commit: 092cba3
Built: Wed Feb 8 08:47:51 2017
OS/Arch: linux/amd64
Experimental: true
root@SUR002731165154:~# docker -H localhost:2375 info
Containers: 11
Running: 0
Paused: 0
Stopped: 11
Images: 8
Server Version: 1.13.1
Storage Driver: overlay2
Backing Filesystem: extfs
Supports d_type: true
Native Overlay Diff: true
Logging Driver: json-file
Cgroup Driver: cgroupfs
Plugins:
Volume: local
Network: bridge host ipvlan macvlan null overlay
Swarm: inactive
Runtimes: runc
Default Runtime: runc
Init Binary: docker-init
containerd version: aa8187dbd3b7ad67d8e5e3a15115d3eef43a7ed1
runc version: 9df8b306d01f59d3a8029be411de015b7304dd8f
init version: 949e6fa
Security Options:
seccomp
Profile: default
Kernel Version: 4.9.8-moby
Operating System: Alpine Linux v3.5
OSType: linux
Architecture: x86_64
CPUs: 2
Total Memory: 1.934 GiB
Name: moby
ID: 4LYM:R5T5:6CPZ:Z2KC:YQ4R:NGN4:V6SR:DF7E:YPYO:7FHY:EQW5:2T7W
Docker Root Dir: /var/lib/docker
Debug Mode (client): false
Debug Mode (server): true
File Descriptors: 13
Goroutines: 21
System Time: 2017-02-28T18:54:13.7726687Z
EventsListeners: 0
Registry: https://index.docker.io/v1/
Experimental: true
Insecure Registries:
127.0.0.0/8
Live Restore Enabled: false
2 个解决方案
解决方案1
6 已采纳 2017-03-03 18:19:47
The Docker daemon can't run under WSL as it doesn't implement the necessary kernel ABI's. Docker守护程序无法在WSL下运行，因为它没有实现必要的内核ABI。 If you're running Docker for Windows, you are probably connecting to the Hyper-V virtual machine that it manages. 如果您正在运行Docker for Windows，您可能正在连接到它管理的Hyper-V虚拟机。
Because it's on a different machine, you will not be able to mount WSL directories as Docker volumes, but you can build images from a WSL directory. 因为它位于不同的计算机上，所以您将无法将WSL目录挂载为Docker卷，但您可以从WSL目录构建映像。 This is because on a build, the client creates a tarball and sends it to the daemon. 这是因为在构建时，客户端会创建一个tarball并将其发送到守护程序。
解决方案2
1 2019-03-09 09:41:37
This is a workaround which is to use Docker on windows in WSL instead. 这是一种解决方法，即在WSL中的Windows上使用Docker。
Just add the following to your WSL .bashrc file. 只需将以下内容添加到WSL .bashrc文件即可。
export PATH="$HOME/bin:$HOME/.local/bin:$PATH"
export PATH="$PATH:/mnt/c/Program\ Files/Docker/Docker/resources/bin"
alias docker=docker.exe
alias docker-compose=docker-compose.exe
Reference: https://blog.jayway.com/2017/04/19/running-docker-on-bash-on-windows/ 参考： https ： //blog.jayway.com/2017/04/19/running-docker-on-bash-on-windows/
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