It's been a few years since I used it, but Virtualbox (free) had perfectly good suspend/restore functionality, and the suspended VM state was just a file.
It's been a few years since I used it, but Virtualbox (free) had perfectly good suspend/restore functionality, and the suspended VM state was just a file.
I use virt-manager and suspend/restore for the same feature, doesn't using an oracle product (with all the side-effects that brings).