Container-docker

Notes on Container

link for Brian Holt notes

https://btholt.github.io/complete-intro-to-containers/

To know which OS version of host

cat /etc/issue

To run container

docker run --interactive --tty alpine:3.10

short-ver

docker run -it alpine:3.10

-it -> for interactive shell

To run container in the background

docker run --detach -it ubuntu:bionic

short-ver

docker run -dit ubuntu:bionic

To show running container which docker is managing for us

docker ps --all

To kill a container running in the background

docker kill name_container

To name a conatiner use this flag

--name

To kill it automatically after exiting use this flag

--rm

example --

docker run --rm -dit --name my-ubuntu ubuntu:bionic

To remove containers and images

docker container prune || docker image prune

To fetch container for running

docker pull jturpin/hollywood

(push is used to push container to registry like docker hub)

To know more about container

docker inspect node

To pauses or unpause all the processes in a container

docker pause <ID or name> || docker unpause <ID or name>

To execute commands against running container

docker exec <ID or name> <command (like-ps aux)>

To know overall history of composition of container

docker history node

To know more about the host system

docker info

To know processes running in the container

docker run mongo
docker top <ID outputted by previous command> # you should see MongoDB running

To see Logs

docker log mongo

Restart - (it restarts)

To search into registry

docker search python

Anksus/Container-docker