buildx 不是 docker 命令

Question

我已经在 Ubuntu 23.04 上安装了 Docker 20.10.21。我也跑过

export DOCKER_CLI_EXPERIMENTAL=enabled

然而，当我跑步时docker buildx，我得到

docker: 'buildx' is not a docker command.
See 'docker --help'

我的印象是，在 Debian 风格的操作系统上，buildx 随docker.io软件包一起安装。我怎样才能让它发挥作用？

docker version节目

Client:
 Version:           20.10.21
 API version:       1.41
 Go version:        go1.20.1
 Git commit:        20.10.21-0ubuntu3
 Built:             Tue Feb 28 14:28:22 2023
 OS/Arch:           linux/amd64
 Context:           default
 Experimental:      true

Server:
 Engine:
  Version:          20.10.21
  API version:      1.41 (minimum version 1.12)
  Go version:       go1.20.1
  Git commit:       20.10.21-0ubuntu3
  Built:            Tue Feb 28 12:17:52 2023
  OS/Arch:          linux/amd64
  Experimental:     false
 containerd:
  Version:          1.6.12-0ubuntu3
  GitCommit:        
 runc:
  Version:          1.1.4-0ubuntu3
  GitCommit:        
 docker-init:
  Version:          0.19.0
  GitCommit:

Answer 1

如果您遇到 Docker BuildKit 问题并需要安装docker-buildx，可以使用以下命令：

sudo apt install docker-buildx