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Chapter 16. Managing container images by using the RHEL web console
You can use the RHEL web console web-based interface to pull, prune, or delete your container images.
16.1. Pulling container images in the web console
You can download container images to your local system and use them to create your containers.
Prerequisites
You have installed the RHEL 8 web console.
For instructions, see Installing and enabling the web console.
The
cockpit-podmanadd-on is installed:# yum install cockpit-podman
Procedure
Log in to the RHEL 8 web console.
For details, see Logging in to the web console.
- Click Podman containers in the main menu.
- In the Images table, click the overflow menu in the upper-right corner and select Download new image.
- The Search for an image dialog box appears.
- In the Search for field, enter the name of the image or specify its description.
- In the in drop-down list, select the registry from which you want to pull the image.
- Optional: In the Tag field, enter the tag of the image.
- Click .
Verification
- Click Podman containers in the main menu. You can see the newly downloaded image in the Images table.
You can create a container from the downloaded image by clicking the in the Images table. To create the container, follow steps 3-8 in Creating containers in the web console.
16.2. Pruning container images in the web console
You can remove all unused images that do not have any containers based on it.
Prerequisites
- At least one container image is pulled.
You have installed the RHEL 8 web console.
For instructions, see Installing and enabling the web console.
The
cockpit-podmanadd-on is installed:# yum install cockpit-podman
Procedure
Log in to the RHEL 8 web console.
For details, see Logging in to the web console.
- Click Podman containers in the main menu.
- In the Images table, click the overflow menu in the upper-right corner and select Prune unused images.
- The pop-up window with the list of images appears. Click Prune to confirm your choice.
Verification
- Click Podman containers in the main menu. The deleted images should not be listed in the Images table.
16.3. Deleting container images in the web console
You can delete a previously pulled container image using the web console.
Prerequisites
- At least one container image is pulled.
You have installed the RHEL 8 web console.
For instructions, see Installing and enabling the web console.
The
cockpit-podmanadd-on is installed:# yum install cockpit-podman
Procedure
Log in to the RHEL 8 web console.
For details, see Logging in to the web console.
- Click in the main menu.
- In the Images table, select the image you want to delete and click the overflow menu and select Delete.
- The window appears. Click Delete tagged images to confirm your choice.
Verification
- Click the Podman containers in the main menu. The deleted container should not be listed in the Images table.
