How To Download Ubuntu Docker Image

Verify docker installation working with docker images.

How to download ubuntu docker image. This section shows you how to push a docker image to docker hub. To learn how to create your own private docker registry check out how to set up a private docker registry on ubuntu 14 04. In order to download the official ubuntu image execute the following command. A docker image is a read only template file with instructions for creating a docker container. Getting rid of an installed docker image on linux is done with the rmi command.

When not specifying a tag docker pulls the latest ubuntu image which at the time of writing this article is 18 04. To delete and erase an existing image you ll first need to run the images command. As can be seen the new custom docker image nginx image has been. Once all process is completed check the list of available docker image on your system using the following command. To push your image first log into docker hub.

To run a docker container first you need to download an image from docker hub provides free images from its repositories. Below is the result you will get. Download a docker image in ubuntu. For example following command will download the ubuntu image to the local system. Using tags we can download a specific version of image to our local system you can find available tags from the docker hub.

For example to download a docker image called centos 7 issue the following command. Docker search command as you can see the output returns a list of all images whose name has alpine. The pull sub command will help download the image you have identified on your computer. 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. To push an image to docker hub or any other docker registry you must have an account there.

Once you figure out which image you would like to work with you can run the docker pull command and download the image. This will show an output similar to. Uninstall a docker image. The command will download the base image ubuntu 20 04 and create a new custom image with the name nginx image. For example to download the latest official build of the ubuntu 18 04 image you would use the following image pull command.