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Kubernetes : A quick walkthrough on Important Takeaways

Rohith V
Full Stack Engineer || Java || Graduated From Government Engineerig College Thrissur. Interested in Data Structures in Java
・1 min read
Important Takeaways
Kubernetes is a system to deploy containerized apps
Nodes are individual machines or vm's that run containers
Masters are machines or vm's with a set of programs to manage nodes
Kubernetes didn't build our images - it got them from somewhere else
Kubernetes (the master) decided where to run each container - each node can run a dissimilar set of containers
To deploy something, we update the desired state of the master with a config file
The master works constantly to meet you desired state

GitHub logo Rohithv07 / Docker

My Workplay on Docker and Kubernetes. Ref :

Docker and Kubernetes

My Workplay on docker

Commands to remember :

  • docker run :- runs a command in a new container . docker run = docker create + docker start

  • docker run -p <localhostport>:<containerport> <imagename/id> :- running on ports

  • docker ps :- to list all the running containers

  • docker ps --all :- list all the container ever created

  • docker system prune :- to delete all the containers ever created along with some other properties

  • docker logs <container-id> :- to get the logs

  • docker start :- start stopped container

  • docker stop :- stop the container - gets a sigterm message - terminate signal

  • docker kill :- kills the container or stops the container instantly

  • docker exec -it <container id> <command> :- Execute an additional command in container. -it makes us to provide the input. -it equivalent to -i -t

  • docker exec -it <container id> sh :- provides access to the terminal…

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