DevOps Classroomnotes 06/Apr/2023

Docker Installation

• When we install docker we get two major components
  • docker client:
    • A command line to interact with docker engine
  • docker engine: This is collection of multiple components
    • Orchestration
    • Docker daemon
    • Runtime
      
• to play with docker commands
  • manual --help
  • cheatsheet
• Install
  • Linux VM:
    • Docker can be installed by following instructions over here Refer Here
    • script based installation Refer Here
      curl -fsSL https://get.docker.com -o get-docker.sh
sh get-docker.sh
      
    • Docker allows communication to the unix socket for the users who belong to docker group. so lets add current user to docker group sudo usermod -aG docker <username>. logout and login
    • Now execute docker container run hello-world
      

Windows 10/11 (Non Home editions)

• Refer Here
• I will not recommend installing docker on windows.

Mac

• Refer Here

Docker Playground

• Create a Docker Hub account Refer Here
• This playground gives a linux machine with docker installed for 4 hours for free. Refer Here

terms To be aware of

• containerd
• runc
• libcontainer
• oci
• docker shim
• appc
• grpc
• rkt containers

Cheatsheets

• Refer Here
• Refer Here