Creating a new container service with podman

Containers have been around for a long time, but they never became all that popular until Docker arrived on the scene with its new container management system. The original Docker system is cool, all right. But, it has some shortcomings, especially with security. For that reason, the good folk at Red Hat developed their own Docker replacement, which they call podman. podman comes with greatly enhanced security, and with cool features that aren't in Docker. The only problem is that podman is still only available on RHEL-type and Fedora distros, and everyone else still uses Docker. So, we'll perform these demos on the Alma Linux machine.

To install podman on your Alma machine, do:

[donnie@localhost ~]$ sudo dnf install podman-docker

This will install the podman package along with a shell script that invokes podman whenever you accidentally type docker. (Actually, that might not be by accident. You might have shell scripts...