Astra Linux

Hi,

Where can I find a stable copy of Astrta Linux to use with VB?

From their website - Универсальная операционная система. Just download the iso and install it in the Virtual Box. To install form iso you can refer to any online documentation. Just google install any Linux OS from iso in virtual box. Most of the process would be same.

Cheers! Do you know if the hardweare architecture is a concern for working with the community edition?

I am not sure about that. I have never heard about Astra Linux before so can’t say.