Docker 一键安装命令

curl -fsSLo- get.docker.com | /bin/sh

国内使用阿里云镜像

wget get.docker.com -O get.docker.sh
bash  get.docker.sh  --mirror Aliyun

Docker 基础命令学习

# 运行 hello-world 检查Docker引擎是否安装
docker run hello-world

Unable to find image 'hello-world:latest' locally
latest: Pulling from library/hello-world
b8dfde127a29: Pull complete
Digest: sha256:5122f6204b6a3596e048758cabba3c46b1c937a46b5be6225b835d091b90e46c
Status: Downloaded newer image for hello-world:latest

Hello from Docker!
This message shows that your installation appears to be working correctly.

To try something more ambitious, you can run an Ubuntu container with:
$ docker run -it ubuntu bash

# 运行一个 Ubuntu 容器
docker run -it ubuntu bash

# 显示所有的容器
docker ps -a

# 显示本机镜像
docker images

CONTAINER ID   IMAGE         COMMAND    CREATED         STATUS                     PORTS     NAMES
841f77ef8a1f   hello-world   "/hello"   5 seconds ago   Exited (0) 4 seconds ago             crazy_feynman

# 查看Ubuntu镜像的历史
docker history hello-world

IMAGE          CREATED        CREATED BY                                      SIZE      COMMENT
d1165f221234   2 months ago   /bin/sh -c #(nop)  CMD ["/hello"]               0B
<missing>      2 months ago   /bin/sh -c #(nop) COPY file:7bf12aab75c3867a…   13.3kB

# 查看镜像的历史
docker history ubuntu

#  删除所有容器
docker rm  -f  $(docker ps -qa)

#  删除所有镜像
docker rmi -f  $(docker images -qa)

Untagged: hello-world:latest
Untagged: hello-world@sha256:5122f6204b6a3596e048758cabba3c46b1c937a46b5be6225b835d091b90e46c
Deleted: sha256:d1165f2212346b2bab48cb01c1e39ee8ad1be46b87873d9ca7a4e434980a7726
Deleted: sha256:f22b99068db93900abe17f7f5e09ec775c2826ecfe9db961fea68293744144bd

docker -help
Flag shorthand -h has been deprecated, please use --help
unknown shorthand flag: 'e' in -elp
See 'docker --help'.

Usage:  docker [OPTIONS] COMMAND

A self-sufficient runtime for containers

Options:
      --config string      Location of client config files (default "/root/.docker")
  -c, --context string     Name of the context to use to connect to the daemon (overrides DOCKER_HOST env var and
                           default context set with "docker context use")
  -D, --debug              Enable debug mode
  -H, --host list          Daemon socket(s) to connect to
  -l, --log-level string   Set the logging level ("debug"|"info"|"warn"|"error"|"fatal") (default "info")
      --tls                Use TLS; implied by --tlsverify
      --tlscacert string   Trust certs signed only by this CA (default "/root/.docker/ca.pem")
      --tlscert string     Path to TLS certificate file (default "/root/.docker/cert.pem")
      --tlskey string      Path to TLS key file (default "/root/.docker/key.pem")
      --tlsverify          Use TLS and verify the remote
  -v, --version            Print version information and quit

Management Commands:
  app*        Docker App (Docker Inc., v0.9.1-beta3)
  builder     Manage builds
  buildx*     Build with BuildKit (Docker Inc., v0.5.1-docker)
  config      Manage Docker configs
  container   Manage containers
  context     Manage contexts
  image       Manage images
  manifest    Manage Docker image manifests and manifest lists
  network     Manage networks
  node        Manage Swarm nodes
  plugin      Manage plugins
  scan*       Docker Scan (Docker Inc.)
  secret      Manage Docker secrets
  service     Manage services
  stack       Manage Docker stacks
  swarm       Manage Swarm
  system      Manage Docker
  trust       Manage trust on Docker images
  volume      Manage volumes

Commands:
  attach      Attach local standard input, output, and error streams to a running container
  build       Build an image from a Dockerfile
  commit      Create a new image from a container's changes
  cp          Copy files/folders between a container and the local filesystem
  create      Create a new container
  diff        Inspect changes to files or directories on a container's filesystem
  events      Get real time events from the server
  exec        Run a command in a running container
  export      Export a container's filesystem as a tar archive
  history     Show the history of an image
  images      List images
  import      Import the contents from a tarball to create a filesystem image
  info        Display system-wide information
  inspect     Return low-level information on Docker objects
  kill        Kill one or more running containers
  load        Load an image from a tar archive or STDIN
  login       Log in to a Docker registry
  logout      Log out from a Docker registry
  logs        Fetch the logs of a container
  pause       Pause all processes within one or more containers
  port        List port mappings or a specific mapping for the container
  ps          List containers
  pull        Pull an image or a repository from a registry
  push        Push an image or a repository to a registry
  rename      Rename a container
  restart     Restart one or more containers
  rm          Remove one or more containers
  rmi         Remove one or more images
  run         Run a command in a new container
  save        Save one or more images to a tar archive (streamed to STDOUT by default)
  search      Search the Docker Hub for images
  start       Start one or more stopped containers
  stats       Display a live stream of container(s) resource usage statistics
  stop        Stop one or more running containers
  tag         Create a tag TARGET_IMAGE that refers to SOURCE_IMAGE
  top         Display the running processes of a container
  unpause     Unpause all processes within one or more containers
  update      Update configuration of one or more containers
  version     Show the Docker version information
  wait        Block until one or more containers stop, then print their exit codes

卸载Docker Engine，CLI和Containerd软件包

apt-get purge docker-ce docker-ce-cli containerd.io

• 主机上的映像，容器，卷或自定义配置文件不会自动删除。要删除所有图像，容器和卷：

rm -rf /var/lib/docker
rm -rf /var/lib/containerd