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Image Pull 

How can you download a Docker image from DockerHub?
How can you check the list of Docker images?
How do you start a new container using a specific image?
How can you exit a container without terminating it?

Pull

Download an image from DockerHub. 
 
docker image pull ubuntu:latest
docker image ls
    # REPOSITORY   TAG       IMAGE ID       CREATED      SIZE
    # ubuntu       latest    d2e4e1f51132   8 days ago   77.8MB
Start a new container. 
 
docker container run -it ubuntu:latest /bin/bash
root@2b180477ee63:/ ps -elf
    # F S UID    PID    TIME    CMD
    # 4 S root    1    00:00:00    /bin/bash
    # 0 R root    11    00:00:00    ps -elf
Exit container without terminating it. 
 
# Ctrl-PQ
root:~/$ ps
    # PID TTY          TIME CMD
    # 11626 pts/0    00:00:00 bash
    # 31569 pts/0    00:00:00 ps

# See running containers
root:~/$ sudo docker container ls
    # CONTAINER ID   IMAGE           COMMAND    NAMES
    # 2b180477ee63   ubuntu:latest   "/bin/bash"    nostalgic_lewin

# Make a new connection to container
docker container exec -it nostalgic_lewin bash
root@2b180477ee63:/#

# Stop and kill the container
docker container stop nostalgic_lewin
docker container rm nostalgic_lewin
docker container ls -a



  Last update: 370 days ago