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Friendship ended with Debian and Docker. Now Fedora and Podman are my best friends.
(discuss.tchncs.de)
Until yesterday, I didn’t even know you could use the docker images and the same docker-compose configs with Podman.
The UI you are looking at is Cockpit, which can be installed on almost any Linux Server. I have used it before but I am amazed by its integration with Podman.
Seriously, consider trying this, once.
Here's another screenshot of Cockpit:
Judging by the screenshots, this looks very similar to Portainer. Are they basically the same tool set for different container architectures? Looks pretty interesting.
Podman replaces the underlying container engine (the docker component). Portainer is a webUI that sits on top of Docker and provides you with tools to manage it. The Podman plugin for Cockpit just happens to do the same thing.
You can actually use Portainer with Podman if you want to. It's a little fiddly to set up, but it works.
The main advantage of Podman is that it's rootless by default, whereas rootless Docker is still a somewhat tricky beast to set up.