Intro to Docker

Prompts and answers

• If we wanted to pull a docker image, what would our command look like?
  docker pull
• If we wanted to list all images on a device running Docker, what would our command look like?
  docker image ls
• Let's say we wanted to pull the image "tryhackme" (no quotations); what would our command look like?
  docker pull tryhackme
• Let's say we wanted to pull the image "tryhackme" with the tag "1337" (no quotations). What would our command look like?
  docker pull tryhackme:1337
• What would our command look like if we wanted to run a container interactively?
  docker run -it
• What would our command look like if we wanted to run a container in "detached" mode?
  docker run -d
• Let's say we want to run a container that will run and bind a webserver on port 80. What would our command look like?
  docker run -p 80:80
• How would we list all running containers?
  docker ps
• Now, how would we list all containers (including stopped)?
  docker ps -a
• What instruction would we use to specify what base image the container should be using?
  FROM
• What instruction would we use to tell the container to run a command?
  RUN
• What docker command would we use to build an image using a Dockerfile?
  build
• Let's say we want to name this image; what argument would we use?
  -t
• I want to use docker-compose to start up a series of containers. What argument allows me to do this?
  up
• I want to use docker-compose to delete the series of containers. What argument allows me to do this?
  down
• What is the name of the .yml file that docker-compose uses?
  docker-compose.yml
• What does the term "IPC" stand for?
  Interprocess Communication
• What technology can the Docker Server be equalled to?
  API
• Connect to the machine. What is the name of the container that is currently running?
  CloudIsland
• After starting the container, try to connect to https://LAB_WEB_URL.p.thmlabs.com/ in your browser. What is the flag?
  THM{WEBSERVER_CONTAINER}