VirtualBox (desktop for testing and development [Vagrant]), KVM: libvirt, Proxmox (production stuff).
this post was submitted on 10 Aug 2024
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Just be mindful of guest addons. (The are not foss)
Currently virt-manager on top of qemu/kvm on Debian 12. It was the easiest to get to emulate a TPM on my ancient hardware (9ish years old, but still powerful).
I'm learning enough about the backend that I'm hoping to get off the Redhat maintained software and only use the qemu cli, maybe write my own monitor with rust-vmm when I learn enough rust to do so.
Raw qemu at the command line for the one I use on a daily basis (not recommended for the average user). VirtualBox if I need to spin something up quickly but don't expect to need to keep it past the current testing cycle.
Virtualbox is slow and the licensing for guest addons is nasty. It is proprietary of course and if a person in a company uses it unlicensed they will send the company a massive invoice.
I only need it for the very occasional testing of open-source software on Windows, using the precanned VM images provided by Microsoft (last I checked, they had none for qemu, or I would be using that instead). And if you're using software commercially, you'd better be damned sure you understand the licensing before setting up. A company of any size will have lawyers vetting that anyway.
In other words, I don't disagree with you, but those issues don't matter for my use case.
I use LXD (or Incus) containers
I've been curious about those for a while, what are they about, are they somehow better than the usual Docker/Podman conatiners?
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xcp-ng. except now everything is just containers on atomic fedora because it seems to fit my laziness better and doesn't require updating multiple vm os's
Gnome Boxes 🥲 Because im avoiding to install anything to the kernel.
You should never install anything to the kernel if possible tbh.
You also could try virtual manager
It is all KVM so it is natively supported
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I tried using virt-manager+kvm to try some stuff out the other day but I failed to set-up some crucial things. Probably me being incompetent.
Not like virtualization is a big part of my life anyway. I just wanted to try some other distros and such without rebooting.
If I were to get serious about virtualization I'd need to build a new PC with a second GPU. Then I could stop dual-booting and do everything with VMs. But it'd only be worth it to get serious about learning how to virtualize stuff if I were to do that.
You can single pass through but it feels more like your using one os but if that's the case wouldn't dual booting be better
Replied to others with this but realized you won't get those notifications. I finally got around to releasing this, which is Debian in your browser via Docker: https://nowsci.com/webbian
VMware, Virtualbox for OSes that hate VMware, and Qemu for emulating OSes that only run on obscure platforms.