Shiny从入门到入定——8-用户反馈

升级WSL

• 查看已安装的WSL版本(Windows PowerShell中运行)

  wsl.exe -l -v

  显示如下：

    NAME                   STATE           VERSION
  * Ubuntu-20.04           Running         1
    docker-desktop-data    Stopped         2

  看到安装的为WSL1，据说WSL1不支持Docker，所以换成WSL2，至于WSL1 和WSL2的异同可参考比较 WSL 1 和 WSL 2。

• 安装WSL2 (Windows PowerShell中运行)

  wsl.exe --set-version ubuntu-20.04 2

  显示如下：

  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。

安装Docker

在WSL中运行如下命令：

sudo apt-get remove docker docker-engine docker.io
sudo apt update
sudo apt 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 update
sudo apt install docker-ce

Root用户启动Docker

sudo su
export DOCKER_HOST=tcp://localhost:2375
service docker start

显示如下：

* Starting Docker: docker

测试(还是在root用户)

docker version

报错

以下是报错信息：

Client: Docker Engine - Community
 Version:           20.10.12
 API version:       1.41
 Go version:        go1.16.12
 Git commit:        e91ed57
 Built:             Mon Dec 13 11:45:33 2021
 OS/Arch:           linux/amd64
 Context:           default
 Experimental:      true
Cannot connect to the Docker daemon at tcp://localhost:2375. Is the docker daemon running?

修复

回到普通用户运行

• 编辑环境变量

  vi ~/.bashrc
  
  # 在最下面添加一行：
  export DOCKER_HOST='unix:///var/run/docker.sock'
  source ~/.bashrc

• 再次测试

  sudo docker version

  显示如下表明成功：

  Client: Docker Engine - Community
   Version:           20.10.12
   API version:       1.41
   Go version:        go1.16.12
   Git commit:        e91ed57
   Built:             Mon Dec 13 11:45:33 2021
   OS/Arch:           linux/amd64
   Context:           default
   Experimental:      true
  
  Server: Docker Engine - Community
   Engine:
    Version:          20.10.12
    API version:      1.41 (minimum version 1.12)
    Go version:       go1.16.12
    Git commit:       459d0df
    Built:            Mon Dec 13 11:43:42 2021
    OS/Arch:          linux/amd64
    Experimental:     false
   containerd:
    Version:          1.4.13
    GitCommit:        9cc61520f4cd876b86e77edfeb88fbcd536d1f9d
   runc:
    Version:          1.0.3
    GitCommit:        v1.0.3-0-gf46b6ba
   docker-init:
    Version:          0.19.0
    GitCommit:        de40ad0

参考

• WSL安装docker
• Cannot connect to the Docker daemon at tcp://localhost:2375. Is the docker daemon running?

代码获取

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