How To Download Ubuntu Docker Image

Using tags we can download a specific version of image to our local system you can find available tags from the docker hub.

How to download ubuntu docker image. A docker image is a read only template file with instructions for creating a docker container. For example following command will download the ubuntu image to the local system. The command will download the base image ubuntu 20 04 and create a new custom image with the name nginx image. Once all process is completed check the list of available docker image on your system using the following command. The pull sub command will help download the image you have identified on your computer.

To learn how to create your own private docker registry check out how to set up a private docker registry on ubuntu 14 04. To push an image to docker hub or any other docker registry you must have an account there. To run a docker container first you need to download an image from docker hub provides free images from its repositories. Docker image pull ubuntu depending on your internet speed the download may take a few seconds or minutes. How to clean up unused docker containers images and volumes.

For example to download the latest official build of the ubuntu 18 04 image you would use the following image pull command. Uninstall a docker image. Getting rid of an installed docker image on linux is done with the rmi command. Moreover you can download a docker image by running command docker image pull follow with the name of the image. Once you figure out which image you would like to work with you can run the docker pull command and download the image.

Using images will allow you to see the name of the images on your system. For example to download a docker image called centos 7 issue the following command. This will show an output similar to. As can be seen the new custom docker image nginx image has been. To push your image first log into docker hub.

You can either create your custom images or you can only use those created by others and published in the docker hub the world s largest library and community for container images. When not specifying a tag docker pulls the latest ubuntu image which at the time of writing this article is 18 04. Verify docker installation working with docker images. Download a docker image in ubuntu. Look through the list and copy the name of the image you d like.