在Docker Hub上查询镜像：
pi@pi-NMH-WCX9:~$ docker search hello-world
在Docker Hub上拉取镜像：
pi@pi-NMH-WCX9:~$ docker pull hello-world
查看容器列表：
pi@pi-NMH-WCX9:~$ docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
8a024dac6f5d hexo_ubuntu22.04:latest "/usr/local/bin/hexo…" 3 days ago Up 3 hours 22/tcp, 0.0.0.0:8123->4000/tcp, [::]:8123->4000/tcp hexo-server
c8d2b2520c00 8a3cdc4d1ad3 "/bin/bash" 3 months ago Up 3 hours 127.0.0.1:8122->22/tcp loving_hertz查看镜像列表：
# Usage: docker images [OPTIONS] [REPOSITORY[:TAG]]
pi@pi-NMH-WCX9:~$ docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
hexo_ubuntu22.04 latest 261dea374744 3 days ago 1.11GB
docker_ubuntu22-04 latest 2a0823f51114 3 months ago 3.42GB
ubuntu 22.04 8a3cdc4d1ad3 6 months ago 77.9MB
ubuntu 20.04 5f5250218d28 6 months ago 72.8MB
hello-world latest d2c94e258dcb 20 months ago 13.3kB创建&运行容器：
# Usage: docker run [OPTIONS] IMAGE [COMMAND] [ARG...]
# 注意：IMAGE 即可以是 IMAGE_ID，也可以是 REPOSITORY:TAG , 或 REPOSITORY
pi@pi-NMH-WCX9:~$ docker run hello-world:latestHello from Docker!
This message shows that your installation appears to be working correctly.To generate this message, Docker took the following steps:1. The Docker client contacted the Docker daemon.2. The Docker daemon pulled the "hello-world" image from the Docker Hub.(amd64)3. The Docker daemon created a new container from that image which runs theexecutable that produces the output you are currently reading.4. The Docker daemon streamed that output to the Docker client, which sent itto your terminal.To try something more ambitious, you can run an Ubuntu container with:$ docker run -it ubuntu bashShare images, automate workflows, and more with a free Docker ID:https://hub.docker.com/For more examples and ideas, visit:https://docs.docker.com/get-started/在运行容器执行命令：
# Usage: docker exec [OPTIONS] CONTAINER COMMAND [ARG...]
#Execute a command in a running container
#
#Aliases:
# docker container exec, docker exec
#
#Options:
# -d, --detach Detached mode: run command in the background
# --detach-keys string Override the key sequence for detaching a container
# -e, --env list Set environment variables
# --env-file list Read in a file of environment variables
# -i, --interactive Keep STDIN open even if not attached
# --privileged Give extended privileges to the command
# -t, --tty Allocate a pseudo-TTY
# -u, --user string Username or UID (format: "<name|uid>[:<group|gid>]")
# -w, --workdir string Working directory inside the container删除容器：
# Usage: docker rm [OPTIONS] CONTAINER [CONTAINER...]
# 注意：CONTAINER 即容器ID，一般前4位数就可以代表一个容器
pi@pi-NMH-WCX9:~$ docker rm d3e2
d3e2删除镜像：
# Usage: docker rmi [OPTIONS] IMAGE [IMAGE...]
pi@pi-NMH-WCX9:~$ docker rm d2c9
d2c9