Half of these exist because I was bored once.
The Windows 10 and MacOS ones are GPU passthrough enabled and what I occasionally use if I have to use a Windows or Mac application. Windows 7 is also GPU enabled, but is more a nostalgia thing than anything.
I think my PopOS VM was originally installed for fun, but I used it along with my Arch Linux, Debian 12 and Testing (I run Testing on host, but I wanted a fresh environment and was too lazy to spin up a Docker or chroot), Ubuntu 23.10 and Fedora to test various software builds and bugs, as I don’t like touching normal Ubuntu unless I must.
The Windows Server 2022 one is one I recently spun up to mess with Windows Docker Containers (I have to port an app to Windows, and was looking at that for CI). That all become moot when I found out Github’s CI doesn’t support Windows Docker containers despite supporting Windows runners (The organization I’m doing it for uses Github, so I have to use it).
Interesting enough, there is a project that I’ve found that runs Windows in a Docker container as a VM.
https://github.com/dockur/windows
I run a Windows 10 LTSC that way to run things like Blue Iris for my security cameras, and some stuff to track my solar installation.
Sounds nice, how useable is it?
runs Blue Iris and I can rdp into it over a cellular modem fine. And its running on an ancient i3