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this post was submitted on 11 Sep 2024
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Linux
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Who cares. Why use sub par Type 2 virtualization with DKMS modules when you can use built+in world class, industry standard, Type 1 hypervisor with Qemu+KVM and Virt-Manager? Already has clipboard sharing with qemu-guest-agent.
I totally agree with you on the Linux side. However, I first got into Linux by using it in Virtualbox on Windows. In the Windows world, as far as I know, it’s the easiest-to-use free-as-in-beer^1^ hypervisor, so long as UEFI support has improved since I last used it.
1: I say this because of the non-libre extension pack.
Hyper-v is bundled with windows now and is just as easy to use as virtualbox (slightly easier for windows guests since the drivers are bundled in the os)
Who would have thought? I’ve hardly touched Windows in over 2 years (mostly other people’s computers and the occasional app in my GPU-accelerated VM) so I haven’t kept up much.
I mean yeah, Qemu/KVM is Linux software. We're talking about Linux here. Ain't ever heard of that other thing you speak about. Think I I stalled it once in a VM to run some firmware update on some obscure device.
vbox is easy. qemu is kinda frustrating to use sometimes, although virt-manager makes it a little easier
Virt-Manager provides a complete UI, with a four step wizard to creating a VM, how is vbox any easier?
Vbox will create a bridge with my wifi card (I'm a laptop user with no option for a wired nic in the host).
I've never been able to get kvm to do that and haven't found any working instructions online that a simpleton like me can follow
Create the bridge with Network Manager advanced config, voilà!
vbox is easy until it starts saying vt-d isn't enabled and refuses to start when it fact it is.
I teach a class where I use VirtualBox. Students commonly use Windows or Mac. I use Linux.
It is very handily to use VirtualBox where, if I demo something, the same steps will work on the student machine. It is also nice for documentation if you want to show a screenshot.
I have never used the “extension pack” for this so it would be fine. Educational use seems to be permitted regardless.
Sir or Madame, this is a Wendy's. You're in the Linux com here.
Virtualizing Windows 10 for various binbows-only work stuff
Virtualizing Windows XP to run Office from before it started sucking
Why would these not work in KVM exactly?
Ok so I guess I am the stupid because I always assumed kernel-level virtualization meant that you were limited to guest OS’s that used the Linux kernel. I was drawing incorrect connections to Docker
TIL
Yeah virtualization and containers are very different things. That said virt-manager can be used with LXC as well :)
For XP, the machine KVM presents as may be too new, but that isn't an issue with non-virtualized QEMU.
I think it should work with some version of the Q35 chipset, if not
PCshould work. But Wine might be a better option if you just want to run some old version of office (or frankly just use LibreOffice)Are you paying for a Virtual box commercial license? They change for every employee in the company not just active users.
Just use KVM and be done with it. You can get the Windows guest drivers and addons from the Fedora project
They only charge for the “extension pack” ( which is different from “guest additions”
Because at least for me getting a shared folder to work was a total pain in the ass. Virtualbox just worked in that regard.
Again, just install qemu-guest-agent. You can even drag and drop files.
I think VBox is more user friendly? Virt-manager would need a GTK4 (?) update and a few UX improvements.
Virtual manager requires a lot less clicks. It also uses libvirt so you can run VMs in the background and on startup.
If you want a better UI look into other clients.
Certainly using a slightly dated Gtk is still more user friendly and better integrated than the god aweful stuff Oracle puts up. What UX improvements are you looking for?
I never got clipboard sharing working, on Fedora 40 KDE on Wayland. Probably a Wayland issue.
It should work out of the box but if not you can check to see if qemu-guest-agent is running
Because for some reason, no matter what I try, Windows 10 desktop is laggy as hell on Qemu, and smooth out of the box on VirtualBox.
Are you using UEFI in Qemu?
Yeah, gotta have that and all that Secure Boot with TPM bullshit, because I'm visualizing a company workstation and nothing will work without those.
That's all available in Qemu/OVMF yeah.
I've had the same experience, you're much better off RDPing into the VM. But I'd like to know if anyone has a better solution that doesn't require an extra GPU.
Because they are for different use cases. I use QEMU+KVM on desktop for games and 3D CAD software, because of its undeniable performance advantage. But on work laptop, I use VirtualBox to test my software on different platforms. On VirtualBox it's relatively easy to initialize a VM, configure network, file sharing and device passthrough, and its snapshot feature allows me recreate the same environment for troubleshooting
All this is true using Virt-Manager... Especially if you use the qemu-guest-agent.
I just looked them up and maybe you are right. But QEMU definitely lacks a GUI config tool that is both easy to use and allows for advanced features like snapshots. So far the only ones I know is GNOME Boxes and Virt Manager, and neither is as good as providing handy ways to configure as VirtualBox. I could probably just write the XML config or QEMU command by the documentation, but next time it could be a different scenario so I have to investigate the docs and maybe a few more forum posts. In VirtualBox, the buttons that do everything for me are always there
Let me say it louder for the people in the back: https://virt-manager.org/
It literally does everything you mentioned, including allowing you to edit the XML files manually to reach advanced or obscure features that are not exposed. And it can do it remotely via SSH, and it managed LXC and Xen too.
Last time I tried Virt manager, I couldn't figure out bridge networks and ended up corrupted the XML config for the VM. Skill issue for me I guess
Bridge networking should be as simple as selecting "bridge" in the network interface setting and putting the name of your bridge interface... You can create a bridge interface with Network-Manager. Or use macvtap.
Doesn't VirtualBox use KVM if it's available?
I like
VBoxManage. Any crazy thing I've ever imagined doing with a VM it's already supported.So, to answer your question - I use VirtualBox because it does everything I want and I've never had a reason to look elsewhere.
No, VBox does not use KVM unless you use some off brand backend, which is an extra layer of complexity and software you must install and manage.
Absolutely everything you might want to do with VBoxManager is going to be available via virsh and the multiple libviet utilities.
Not using Type 2 hypervisor would be a good one. Not being beholden to Oracle's shitry licensing schemes is certainly another.
That's using the externally developed Cyberus Technology backend though, like I mentioned. As mentioned all over this thread using extensions is rife for license abuse issues.