#docker commands

To manage Docker images, first check existing images. Use “docker image prune” to remove dangling images and “docker image prune -a” for all unused images. You can also filter images by age. Additionally, script removal for images older than six months or one year to keep the workspace clean. Step 1: Check all images present docker images Step 2: Delete unused (dangling) images These are…

Drop the stopped container in Docker Check the stopped container in Docker: sh-4.2$ sunny@Oracle1:/etc$ docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES bda5c34bfbd2 image-oracle "/bin/sh" 18 minutes ago Exited (137) 15 minutes ago zealous_ellis eeb55035fffe orcl2-image "/bin/sh" 3 hours ago Exited (0) 23 minutes ago fervent_herschel Destroy the stopped container in…

Create a image with stopped container in Docker Check the stopped container in Docker #docker ps -a sunny@Oracle1:/etc$ docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES eeb55035fffe orcl2-image "/bin/sh" 3 hours ago Exited (0) 3 seconds ago fervent_herschel sunny@Oracle1:/etc$ Create an image from the stopped container: #docker commit <imageid> <new image…

Reference guide for Docker Commands – NEW v/s OLD

So I have been using Docker on & off for quite some time now, so when I started using Docker in 2016, I learned about it a bit & I learned about the Docker commands & I was quite comfortable with it. Then my role got changed & I was not using Docker anymore at all. Forward to 2018, I started using it again, but some things were changed with the way commands in Docker worked. Whenever I would…

The below are some of the commonly used docker commands. These commands helps to get started for working with docker images and containers.

docker stop $(docker ps -a -q) (Stops all containers)

docker rm $(docker ps -a -q) (Removes all containers)

docker ps -a (Lists all containers)

docker images (Lists all images)

docker images -a (Lists all dangling images)

docker images -a | awk '{print $3}' | xargs docker rmi --force (Removes all images including dangling images)

docker image rm <image_id> (Removes the image, use --force to force remove)

docker logs <container_id> (To see logs of a container)

docker logs --follow <container_id> (Tails the logs)

25+ Docker Commands for sysadmin and developers

Docker is a containerization system which packages and runs the application with its dependencies inside a container. There are several docker commands you must know when working with Docker. This article is all about that.

Finding the version

One of the first things you want to know is how to find the installed docker version.

datamounts@datamounts:/home/datamounts$ docker --version Docker…