View and Inspect Available Images

Using the Podman page, Cockpit users can easily view a listing of all Podman images stored on the host system. Clicking an image provides more details about an image such as image name, owner, creation date, size, and so on.

What Do You Need?

• The Cockpit web console must be installed and accessible.

  For details, see these topics: Install and Enable Cockpit and Log in to the Cockpit Web Console.

• The Podman container tools must be installed on the host system. For information on how to install Podman, see Installing Podman and Related Utilities in Oracle Linux: Podman User's Guide.
• The Cockpit-Podman add-on application must be installed. For further information on how to configure the Cockpit web console to interact with Podman, see Install and Configure Cockpit-Podman.
• A copy of one or more images must appear in the Images section on the Podman page. For details on how to search and download images, see Search and Download New Images.

Steps

Using the Cockpit web console, follow these steps to view and inspect available Podman images stored on the host system.

1. In the Cockpit navigation pane, click Podman.

   The Podman page appears.

2. In the Podman page, use the following read-only properties to view and inspect Podman images appearing in the Images section.

   Image totals	At the top of the Podman page the following Image total properties appear. Total number of images: Identifies the total number of images that are available for use on the local host. Total number of unused images: Identifies the total number of images that aren't use by a container. Total number of used images: Identifies the total number of images in use by a container.
   Show and Hide Images (toggle switch)	Under the Image Totals property, a toggle link appears enabling users to show or hide the current list of images. Tip: To find an image of interest, click Show image, and then use the Owner filtering options at the top of the page.
   Listing of Images	The Listing of images appear in a table format. Clicking an image in the table displays the following properties about the image: Image directory path: Identifies the location of the image file relative to the registry host and the repository directory. For example: registry.host/repository/imagename:tag Owner: Identifies the owner of the image file. Created: Identifies the image file creation date. ID: Identifies the unique system ID assigned to the image file. Disk space: Identifies the size of the image file on the disk. Used by: Identifies whether the image file is or isn't in use by a container. In addition, clicking the arrow next to the Image directory path displays the following information: Details: Identifies the image configuration details such as entry point, runtime command, and the exposed ports when available. History: Identifies the image file timestamp history.