Debug School: Dikshyanta Das

Assignment:Day2

Dikshyanta Das — Tue, 15 Nov 2022 04:50:12 +0000

What is the use of "docker update"?
The docker update command is used to dynamically update the container configuration so that they do not consume too many resources from the underlying host.
What is use of "docker wait"?
The "docker wait" command waits till the container exits and prints the exit code in the terminal.

Assignment -2 : Container Lifecycle.

Dikshyanta Das — Mon, 14 Nov 2022 10:16:02 +0000

1.What is the diff between docker pause and docker unpause?

docker pause suspends all the processes inside the container while docker un-pause un-suspends all the processes inside the container.

2.What is the diff between docker stop and docker kill?

docker stop attempts to gracefully shutdown the the process inside the container by sending SIGTERM signal while docker kill command immediately terminates the processes by sending SIGKILL signal.

Understanding on Docker

Dikshyanta Das — Mon, 14 Nov 2022 07:31:46 +0000

What is Docker?
Docker is a container management tool.

Why Docker?
Because it is really easy and cost effective to setup container using Docker . Docker helps to create complete isolated containers.

What is Container?
Container is a independent isolated unit having its own network interface , process tree and consists of all dependencies and libraries installed which is required to run a particular application.

Docker Workflow?
Docker consists of three parts , Docker Daemon, REST API and Docker CLI. The REST API is used to interact between Docker CLI and Docker daemon.

How container is created?
Container is created from Docker Images buy running the Docker run command.