WSL安装docker_wsl 安装docker 博客

参考资料

WSL安装docker（不折腾版）
启动失败解决方案：WSL Docker : Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?

1.安装要求

wsl一定要是WSL2，否则，启动docker会报错：

WSL Docker : Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?
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如果你是WSL1，打开powershell终端：

C:> wsl.exe -l -v
NAME STATE VERSION
* Ubuntu-20.04 Running 1
docker-desktop-data Running 2
docker-desktop Running 2
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发现ubuntu20.04 是 WSL1 而不是 WSL2，进行升级

C:> wsl.exe --set-version ubuntu-20.04 2
正在进行转换，这可能需要几分钟时间...
有关与 WSL 2 的主要区别的信息，请访问 https://aka.ms/wsl2
转换完成。
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2.安装

sudo apt-get remove docker docker-engine docker.io
sudo apt-get update
sudo apt-get install \
    apt-transport-https \
    ca-certificates \
    curl \
    software-properties-common
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
sudo apt-key fingerprint 0EBFCD88
sudo add-apt-repository \
   "deb [arch=amd64] https://download.docker.com/linux/ubuntu \
   $(lsb_release -cs) \
   stable"
sudo apt-get update
sudo apt-get install docker-ce
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3. 用root账号启动docker

sudo su
export DOCKER_HOST=tcp://localhost:2375 //永久性参考：https://www.cnblogs.com/SH170706/p/10242505.html
service docker start
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4. 测试

试一下执行docker命令：

docker version
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若输出以下结果，则说明成功

Client:
 Version:      18.03.1-ce
 API version:  1.37
 Go version:   go1.9.5
 Git commit:   9ee9f40
 Built:        Wed Jun 20 21:43:51 2018
 OS/Arch:      linux/amd64
 Experimental: false
 Orchestrator: swarm
 
Server:
 Engine:
  Version:      18.03.1-ce
  API version:  1.37 (minimum version 1.12)
  Go version:   go1.9.5
  Git commit:   9ee9f40
  Built:        Thu Apr 26 07:22:38 2018
  OS/Arch:      linux/amd64
  Experimental: false
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5. 错误