Ditch Virtualbox, Get QEMU/Virt Manager
ฝัง
- เผยแพร่เมื่อ 27 ก.ค. 2024
- In this video I show you how to setup QEMU/virt-manager with KVM which is a better virtualization stack than virtualbox (faster, scales better, and supports more advanced options like GPU passthrough and CPU pinning.)
install these packages
qemu virt-manager virt-viewer dnsmasq vde2 bridge-utils openbsd-netcat
start the services
edit this file
/etc/libvirt/libvirtd.conf
drivers for Windows VM
fedorapeople.org/groups/virt/...
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Props to Fabrice Bellard. He's responsible for QEMU, FFmpeg, TCC and he's working on a new compression algo called nncp.
This guy is insane, I couldn't believe when I heard that QEMU and FFmpeg had the same creator
@@groos3449 yeah man. Big props
@@groos3449 agreed
I used TCC when I first learned to program. The only computer I had was a 3 year old netbook with a horrible 2 core Atom and 1GB of RAM. This was in the summer of 2012 probably. Visual Studio didn’t run on it, Cygwin didn’t run on it. TCC helped me overcome the performance issues.
Yeah hes awesome. I think he also made quick js
I setup a KVM with GPU passthrough for Windows gaming a couple weeks ago, and the performance is absolutely wild. Everything works perfectly, native performance, and games are incredibly smooth.
Do you have a single GPU? What resource did you use to set it up? I was interested in this GPU passthrough, but am running a gtx 950, so probably not strong enough..
yea im interested on your response too, i have a rx480 so id like to know if its possible to do that with only 1 gpu
@@completelyretarded yes
For what I know, you can do it with a single GPU if your CPU has an APU. If dont then you'd be leaving your host machine without a GPU.
Any good guide buddy? I'd like the same.
literally tried it out today for the first time, never using virtualbox again :D
also for anyone curious, the reason why the performance is so much better on qemu kvm than virtualbox, it's because virtualbox run virtualization on software level, while qemu kvm on kernel level, so it's like the reason why in programming language C is much faster than python, kinda like that
ironically the virt-manager client is written in python (correct me if I am wrong)
Jokes on you! I call compiled C code from my python code!
Is it? I always thought it was because of junk code from pre-defined methods
VMM does almost no work, same to libvirt. They do only calls and creation and modification of vms, nothing more. Everything else is in qemu (calls to run vms on kvm and drivers) and KVM
That's not entirely accurate. There are two pieces of software you think of when you hear virtual box. There's Oracle Virtual Box and there's an open source Virtual Box. Both are generally at parity with each other but the open source variant can be used directly with a hypervisor, zen or kvm configuration for full hardware instancing. A couple years ago I abused that to no end to create sandboxed VMs for video games instead of using wine/proton, as in no desktop or taskbar, just explorer.exe and supporting infrastructure (like drivers) allowed to run in the vm. Worked extremely well, only stopped because proton and wine have got really freaking good over the last couple years.
I don't own a desktop. I've never run Linux or anything other than Windows. Basically 99.9% of your content goes over my head, but I can't stop watching your videos. Keep it up, man!
That’s how it starts. I hope your interest grows into a skill set or hobby that gives your life meaning.
I was running windows when i started watching his videos and about 1 year later I eventually switched.
Ha ha, that's how we getcha! If you ever find an old pc, you can bring it back to life without worrying too much about bricking it. That way, you can safely tinker with linux and learn how it's put together.
@@Saka_Mulia commenting on a video about machine virtualization. Could use hyper-v (unless home edition) or install virtualbox to tinker with Linux 💡
@@Sunnywastakentoo And it ends when you try to use Linux for the first time, and the toxic wasteland that Linux calls a "community" tries to force the terminal down your throat at every turn: even when there are GUI solutions available.
A very underrated featue of virt-manager is to access remote VM's. Setting up a headless hypervisor in your homelab is quite comfy, and was my reason for switching from VirtualBox.
You should be able to do it with any VMM, just set port forwarding on ssh
oh. nice, been pondering this for a while. Can I run a desktop with low-moderate memory (ie 16GB) and run test VMs a box elsewhere with more memory. Appears possible with vbox, but clunky.
@@rjhornsby yeah, it's quite seamless on virt-manager. Open the right ports and set up SSH with public key Auth. Just werks
So I can build a virtualization server
Access it with vnc and manage the vms with the setup from the video
Is there a tutorial on this somewhere?
Protip: if your computer came pre-installed with windows, you can pull in that registration key and use a registered version of Windows in your VM.
Any tutorials on that ??
I encourage you to pirate windows anyway
@@justsomenamelesssoul8097 GitHub is owned by Microsoft, and they don't take down the cracking script. 🤔
Maybe they prefer you to use pirated Windows than alternatives?
@@frapooch They get your data, pirated or not. Paying for being tracked is just a plus for them
@@user-ic5nv8lj9d No malware in there, you can see the source code and they even explain how it works
5 days no post. The feds got him ☹️.
rip
@@everypizza
Glowies got him :(
Lol@@xrafter
@@anirbanbose6996 kek
Heads up to people trying to do performance comparisons: just having KVM or HyperV installed will tank the performance of VirtualBox or VMware Workstation, even if you're not actively using them.
Interesting🤔. Does the existence of kvm and hyperv prevent virtualbox from utilizing VT-x or?
KVM isn’t something you “install”, it’s just another standard capability of the Linux kernel.
@@lawrencedoliveiro9104 Sort of, and sort of not. There are both KVM enabled and non-enabled versions of the kernel in nearly every distribution.
@Miigon Yes, HyperV and KVM monopolize VT-x. Microsoft supposedly has a workaround with HyperV and VMware, but it only recovers about half of the penalty.
There is no penalty to having them installed, VirtualBox only bogs down when running both at the same time
@@buckeyefan9746 If you have Hyper-V or KVM installed, they're running by default all the time. They're not programs you run like VirtualBox or VMWare, they're different versions of the kernel. I'm not exactly sure of the architecture of these 2, but with Xen your "host" OS was also virtualized, but with special admin permissions.
I've been learning more about virtualization lately. Interesting topic; looking forward to hearing more about it from you in this video.
it's revolutionary!!....15 years ago
@@aninnymoose720 Still a pretty cool concept, though, even if it's been along for a pretty long time.
@@aninnymoose720 IBM released VM/370 in 1972.
@@aninnymoose720 Yeah, but to be fair it has improved sooo much since then.
Thanks. This is the best set of instructions that I've seen to date. I finally got my Debian 12 with QEMU virtualizing Win10. As of 11/2023 there were a few holes which I was able to solve. My next step is to learn the setup needed so I can copy btwn Bookworm and Win10. I also need to test printing.
Keep in mind the instructions for starting the service and editing that config file don't apply if you use systemd (which is the default on basically every popular Linux OS). You need to do "systemctl enable --now libvirtd" (this both starts and enables the service). You don't need to edit the config file at all. Also you may need to change some bios settings to enable virtualization, on an AMD board all of these should be enabled:
SVM - Enabled
Iommu - Enabled
AES - Enabled
AER Cap - Enabled
That's required for GPU passthrough. Also note GPU passthrough is a huge pain-in-the-ass if you only have one GPU.
Great note to add! Thx for commenting
PITA....but possible?
I have been using virtual machines for years now and never once did it occur to me that the awful performance in virtual box was NOT normal... I just assumed that virtualization was just rather intensive. Very excited to try out QEMU and transition some of my environments over!
Same, with a KVM GPU passthrough Windows 10 VM, I was suprised that it runs with near bare-metal performance
For most others (using systemd), the commands are:
sudo systemctl restart libvirtd
sudo systemctl enable libvirtd
Thanks ;-;
having a threadripper and using arch. this man is in the top 10 of the computer nerds leaderboard
What's the other 9?
Thanks M.O.! I was out of doing any Virtual Machine for years, its a good news update!
I recently swapped to arch from windows, it rough for a bit but I’m learning more everyday got my qemu for some usb audio pass through to a windows vm. It’s been pretty great.
Last week I made the switch from VirtualBox to KVM-based Proxmox and so far the experience has been great. 1st class support for ZFS is a huge advantage.
As someone who built an entire separate x86 system to serve as a ZFS based NAS, I that is kind of impressive to me.
I'm starting working from home, and since i need Visual Studio for some big projects (also legacy net framework shite) and the work pc only has 8Gb of ram, I've successfully used your tutorial to setup a win10 vm in my ram-wise more dotated pc. so i don't have to subject myself anymore to the painful pagefaulted experience that is developing with only 8Gb of ram on windows.
Thanks🔥
One of your best tutorials and very well explained. Thank you Sir.
I've been using QEMU+libvirt for some months now, using virsh to create and manage headless machines. There's also quite good support for libvirt+Vagrant.
Would be really nice to see a follow-up video on how to manage VMs with QEMU+libvirt from the terminal (i.e. w/o virt-manager). AFAIK you can create VMs from an XML with virsh or use virt-install, then you can manage them with virsh.
You didn't post any video in a week already... is everything okay?
Finally, a comprehensive up to date visual guide for this
Thanks Mental Outlaw. Personally I have tried QEMU/virt-manager and found it too slow back then. But now that you mentioned this video, I guess I can try one more time.
It would be nice if there was a distro that just had this specifically already set up out of the box. Like, imagine a distro meet specifically for virtual machines to give you the absolute best possible performance by having the bare minimum operating system required to create a virtual machine. That could be really useful for something like twith streamers so that if something goes wrong, they can reboot the computer without stopping the stream.
proxmox
This was what I swapped to when I went with my home server a while ago and got tired of dealing with VMWare.
Me and Oracle have never been best friends, so Virtualbox was never an option, and virt manager became a game changer when I tried it.
It has built in QEMU management over SSH, meaning you can easily get at it from anywhere and not worry about any other security than your basic SSH.
Only drawback to it is.... No Windows version of Virt manager exists, so this is one where I keep a Linux VM on my Windows machine just to do remote management.
Have you tried the recent updates to Windows Subsystem for Linux? it lets you natively use GUI apps without the old hacky solutions. I don't use Windows unless I absolutely have to, but I did use the WSL2 GUI for awhile and its half decent.
Why do you use windows? ew
you can forward remote x applications to windows natively with putty and vcxsrv... other applications are available.
@@swarajya.55 It is the last gaming rig / desktop in the house... The rest have already left and gone to Linux or BSD, but some games aren't there yet and I do not have a spare AMD GPU to go and shove it into a VM (Trust me I really want to)
As for the WSL2, I ran into a massive problem getting networking working with that, so I sort of abandoned it and is awaiting for some patches from Microsoft.
As for X fowarding a window, I haven't looked into that for Windows, but it is tempting.
Still though, that Windows box is very Linuxified, Cygwin is installed so I can SSH into it to fetch files when I am not home for an example. (Not exposed to the internet, I run my own VPN server on a BSD box for access.)
@@CMDRSweeper I haven't personally done it, but supposedly it's possible to do with cygwin/x as well.
I love the flex when your Sysinfo pops up in the terminal. Rip those threads my bro. So much memory. Peace
thanks for finally giving me the motivation to get this set up, been meaning to do it for months.
Yo MO you all good G? Been a while
"A _little bit_ of RAM."
*[Casually drops in more RAM than most people have on their entire computer]*
Actually... 16 threads + 32GB RAM _is_ my entire current computer. And even that is leagues ahead of every previous computer I've ever owned.
I've been screwing around with PCem recently, which has reminded me of what things were like when I was a kid, such as having to use every trick in the book to push running applications into the upper and extended memory (where most of your truly enormous 4MB or possibly even 8MB of RAM resides), to free up every single kilobyte you possibly can of DOS's precious 640KB of conventional memory so that your games could run. After fighting tooth and nail to liberate those precious 60-or-so KB to stay above the 600KB threshold (using a mere 40KB to run the core of the OS), it really puts into perspective just how insanely far things have come. Imagine telling someone in 1993 - when RAM was $30+ per _MB_ - that a person's single, average-tower-sized PC would have literally 5.5 _MILLION_ dollars worth of RAM in it.
Dude has 128GB of ram, he's just like Mutahar .
this is perfect timing!
I was just about to start reading up on qemu
Just the video I wanted you to make right now. Thanks!
Oh boy if GPU manufacturers would allow us to virtualize GPUs , we could have one desktop that serves more than one person at a time.
You can do that tho
There is several different ways to do multiseat on linux, the arch wiki has a guide on xorg multiseat.
You can. You can even split a single GPU into multiple smaller virtual GPU's.
@@gkukull of course it's the arch wiki
@@gkukull you can? I thought Nvidia forbid it.
Finally, an alternative. I never got virtualbox to work properly with my nvidia gpu
VMware workstation is good
GPU passthrough can be difficult but once you get it, you got it.
Seriously, QEMU KVM is SO much better.
Easy to follow along and detailed instructions! Liked and subscribed :D
Thanks for this to the point guide. I struggled to get it working before, but not anymore.
Today I got my first nvidia gpu and I was so excited... until I woke up and realized it’s a dream 💀
I have one 4 u
Just send me your CC and your mom's phone number
AMD on linux is a better choice. NVidia's linux drivers suck.
hyper-v is pretty nice aswell but obv linux is the better option if you want to reduce the glow
yep hyper-V is good same with VMware
The primary maintainer of KVM is Red Hat, which is owned by IBM. If IBM doesn't glow, no one does.
@@rightwingsafetysquad9872 well yea but you actually have the option to audit it unlike hyper-v lmao
@@rightwingsafetysquad9872 yeah, I was sad to read that. They bought KVM from another company, too, so that makes it even more suspicious.
Hey Appreciate you showing how to install and use the GUI, so many Linux people out there that are in the mindset of "Use terminal and learn it or stop using Linux" out there. Some people want to use terminal and learn, others never want to and want GUI's and Linux is an amazing place for both. Especially if it steals market share from Microsoft/Apple!
Awesome, on Artix myself. Gonna do this. Keep making great content! 👍🏽
SYSTEMD EQUIVALENTS OF SOME COMMANDS:
sudo rc-service libvirtd start > sudo systemctl start libvirtd
sudo rc-update add libvirtd > sudo systemctl enable libvirtd
sudo rc-service libvirtd restart > sudo systemctl restart libvirtd
Thank you very much, I was looking for this comment.
thank you so much
thanks great tutorial but lol the guy runs arch with not systemd but rc, has 128Go of RAM, not really like my Fedora Workstation on my potato laptop
Just a heads up for those using Artix Linux with s6. You also have to manually add and start another service called "virtlogd" in order for this to work.
Very good tutorial. I would love to see a side-by-side benchmark comparing QEMU to Virtualbox to get an idea just how much better it preforms.
I can say this, there must be slightly different ways of installing VirtualBox _or_ Oracle changed VirtualBox to make it slower so that you'd be more likely to _buy_ the paid version.
The first time I installed VIrtualBox (a year and a half ago) on a weaker PC and used Windows 10 in a VM, it felt like one PC - not the least bit slow.
The newer install, this time on 2 PCs, it is soooo much slower and I have no idea why.
Fascinating! Thank you for sharing this knowledge with us!
pls a video on the war.
Perfect timing! I'm really tempted to switch to Linux but I might need windows for a few things like games with friends, photo and video software I use. Not sure if it's gonna work like I want it to, but I guess I just have to give it a try
@Watcher Agreed. I really love the work Valve is putting into making Linux a viable option for gaming, though I wish the actual Steam client was more stable on linux... Most of my time was spent attempting to figure out why either Steam or Proton randomly stopped working.
Dual Booting is still the best option my friend.
@@doigt6590 Agreed.
@@doigt6590 agreed. With almost no tech experience at all, I easily installed my own dual-boot. To be fair, though, I takes a crap-load of notes compared to most people and tend to read a lot more than them, too - especially if the subject intimidates me (I don't handle defeat well).
Perfect Timing, I just installed Virtualbox and wanted to start making VMs today. Now I can ditch it without having done a lot of useless work.
Perfect timing! I was about to search for a qemu Tutorial
Thank you for evrything Mental Outlaw. You inspired me to follow an undergrad degree in system and network admnistration as an 28 year old. I really find it fun to use everything through the command line in linux. The fact that linux offer so much freedom and that with virtualisation, steamos and lutris linux gaming is today possible . This is an dream for a lot of poeple becoming reality. Ps. Do you plan to own an steamdeck in the future? i really want to hear your opinion about it or an video with ? :)
Great to see such hope & passion life reality making here 😃
Could you update your current scenario now?
I am 25,BE CSE,Jobless (Tamilnadu,India),got some ideas & passion for life too
Glad to see such people 😊
Wish all be well 😃🌟✨🙌
07.07.2023 09:43 pm ist
3rd like,1+ year ago comment
when the world needed him most... he vanished.
you are not like the others who puts link filled with adds, so u deserve to be subscribed..... thanks for the plugin and all the best for future
My subscription to this channel pays itself 1.000 times over with every upload. Thanks.
Welp you posted this while I was trying to make vbox work so I guess I'm switching over now
Nice
I wish in future video you guide how to passthrough hardware to the VM. I'm still have hard time to understand the procedure for passing through the hardware. Thanks for the great video
Then the video would be 2 hours long.
Honestly, these settings is exactly what I was looking for yesterday lmao.
I set up a gpu passthrough for gaming, and it's perfect. Took forever to set up, but it was worth it.
Those who want to use qemu for virtual machines with greater flexibility should try Proxmox... I use it as a workstation (KDE installed) with virtual machines running in the background, which allows me to deploy multiple servers or other Windows or Linux virtual machines that I can turn it on or off without having to reboot the system and getting the maximum performance from the hardware I have.
Dell Precision T7600 2x Xeon E-2620, 64Gb RAM, 1ssd 480gb + 3hdd 512Gb + 1hdd 2Tb, Quadro k4000 3Gb VRAM.
Currently using kvm and passing through a GTX1070ti just for gaming. Performance is great, you almost can't tell it's virtual machine.
May I know which games you've been playing on? I'd like to move once to Linux but I've seen that many anticheat systems don't work on Linux and don't like emulators at all
@@trasker6744 primarily single player like RDR2. though I have played 10+ hours of CSGO and collective 20+ hours of GTA Online with no problem *so far*. I did configure the VM to hide the virtualization but I'm not sure if that matters or not. TF2(which uses VAC just like CSGO) works as well, though I have only played it for 4 hours on the vm.
@@trasker6744 I think the biggest trouble has been the usb passthrough. bought 3 pcie usb cards, only 1 worked, other two didn't get recognized and will crash the vm randomly. you should have better luck with NEC/Renasas cards than say VIA cards. if you need some help setting it up I am more than happy to help.
good timing i was about to install virtual box to play around with a few linux distros before switching to it from windows
Oh man... so many ideas to try out in this thread. Thanks!
Cool and useful video. Nothing more, just felt that a single like didn’t do it justice.
The 4chan party van got him
@Aristotelis Sifakis i do
Qemu... Using it for years... Super smooth and neat 😎
Just read the title, but will obey. Keep the good content, man 👊
I like QEMU, but it definitely needs a more streamlined install/configuration like VirtualBox to sway your average user into moving over. I also don't like how it has to modify your iptables in order to access the internet in VM's and bridged configurations (instead of NAT) are even more of a pain. Want to use UEFI BIOS for Win11...another layer of configuration/installs. VirtualBox is much more clean when it comes to installation/configuration, and unless you want a gaming VM or need to have the most secure VM, it's not really worth moving over. FOSS is the strongest selling point for QEMU imho.
Newest versions of linux kernel disable the KVM virtualization for security reasons. If you see the following line in the result of l"scpu" :
Vulnerabilities:
Itlb multihit: KVM: Mitigation: VMX disabled
then chances are KVM will not work on your PC.
Edit: link to kernel doc: www.kernel.org/doc/html/latest/admin-guide/hw-vuln/multihit.html
I never used Virtualbox to begin with, always found virt-manager to be much more user friendly and straightforward.
Yeah KVM is fantastic, and Cockpit tbh is also fantastic for a web interface too, but GPU pass-through can be rough. Recently picked up a 6600xt for doing a Windows vm but after much setup code 43 will ruin your day. I will get it to work one day, soon hopefully!
Hey Kenny, everything ok? Have the alphabet Bois got you yet?
Good video and great tip but I just wanna let u know that there are 1000 other methods to install it without confusing beginners
Yeah, I’m a noob, and have been considering switching, and five minutes into this I was like, NO THANK YOU! lol
KVM is great. My 'desktop' is a Linux virtual machine on KVM running on my hypervisor with gpu passthrough. Getting the most out of my hardware this way.
Great advice!!! Have SWITCHED for a few period!
HyperV-I feature blazing FAST!!!
I've been using it since I first heard of it because I totally despise Oracle.
I have to say: it's simple, it's fast, it works and you're probably not losing much by using it.
On the security level, choose an SELinux/AppArmor decently configured system and you're reasonably safe.
If you're not really focusing on security, which usually is my case, GODDAMN JUST SWITCH TO IT.
Well, it was first SUN Virtualbox, before obstacle bought them.
for some reason, AppArour doens't work on any Debian installation I've had. Since Debian is considered a base distro, I find this odd. Never figured out how to fix it or reinstall it...or, just didn't try.
For shared folders and bridge networking its a bit hard to achieve with virt manager. So when i need those features i use virtualbox
You can use Samba to create a network based fileshare, and even access files from your phone or tablet (granted they have apps that support SMB/CIFS protocol) that virt-manager can access pretty easily
The option to share host folders is in the +Add Hardware menu.
I just discovered it today, and I don't remember seeing it before, so it might be new, and I haven't checked to see if it's sharable between multiple VMs at the same time.
@@TheFrantic5 What is that option called? Filesystem?
@@navaneeth6157 yes.
I haven't tested this yet as I have a new system and I'm lazy, but you'll need to have your shared folder on the host as the source path, a made-up label as the target path, and you'll need to load these modules {loop,virtio,9p,9pnet,9pnet_virtio} onto the guest with modprobe. Afterwards, you use
# mount [targetlabel] /path/to/place/shared/folder - t 9p -o trans=virtio
to be able to place the folder where you want on the guest.
Plan 9 is an old remote file system protocol from what I've read, but it should do the job.
Unfortunately it's not one-click like virtualbox (and originally it thought it was, which was why I posted it) so if you need that functionality (as well as connecting to Windows guests) you'd be better off finding a libvirt samba tutorial. Or just use what works.
Dead simple bridge networking is why I have always chosen VirtualBox over KVM. With VirtualBox, bridge networking is a couple mouse clicks. With KVM, unless things have changed, it was a massive gauntlet of system configuration changes and networking tweaks that were all but guaranteed to make a system stop working.
I really, Really, REALLY want to ditch VirtualBox, but its incredibly easy bridge networking is why I stay with it.
Using Qemu+KVM with libvirt since many years.
Including for Windows gaming with VFIO.
Storage on an LVM LV is a must for performance
Nice config btw
Best Channel on YT, and even if you aren't following him already you are NGMI.
One word of caution, having high framerates didn't equal to the responsivenes of the game. Had to either choose normal fps or not feeling the input lag. It was slight, but noticible, even though I tinkered with the cpu settings a lot. Might be a problem of having 7770k tho, since it has 4 cores 8 threads.
Also tried limiting the processes on host to only one core, this might be a good trick for somebody looking to optimize performance, and it can easily be done with a simple bash script run by qemu on startup of the machine, and reversing its thing after shutdown.
Had a blast setting it up, but the performance wasn't really there.
Yeah a gaming VM for multiplayer games at the moment isn’t super reliable due to the input lag and also anti cheat from time to time. Singleplayer games still work very well and the input lag isn’t a problem on most of them
@@D00000T Geometry Dash, Osu, Just shapes and Beats, Danmaku Unlimited and Touhou Project: ...
@@akeem2983 most of them aren’t that punishing 95% of the time. The benefits of virtualization and not running windows natively outweighs getting fucked over by input lag in that one osu map that only players with carpal tunnel will play (only one I can see being a problem is if you play a bullet hell game and have to deal with the occasional pixel perfect bs)
@@D00000T I haven't played osu in forever what map is that? And can you run it or does peppy's magical anticheat detection ban you?
@@battokizu I don't know exactly how it works, but osu works perfectly even through Wine, I think that full emulation also should'nt do anything with a game. There's also an Osu!lazer project, which is unfinished but already have most of the features for comfortable gameplay.
I have used QEMU on fedora 35 for the past few months for my school work in Visual Studio. So much better than VMware and Vbox
why not use vs directly in linux? is there any particular reason? just asking out of curiosity btw.
Visual studio currently doesn't work well on wine
@@woland. visual studio doesn't have a linux version
@@groos3449 there's also the annoyance that's targeting a different platform
@@groos3449 I am in a database programming course and am making windows forms apps with MSsql Server
Thanks! Gotta check it out with installing windows 7 from the internet archive
Ive been waiting for this video. ^^
As much as I would love to use Qemu, I'm afraid to say from experience that it is only worth using if you
a) don't care about graphics performance or
b) have a second GPU to passthrough
The reality is that Qemu occupies both places of best and worst virtualization stacks for graphics performance. If you pass through a real GPU to Qemu, it can blow its competition out of the water and get you graphics performance that can rival bare metal. However, if you, like me, do not have a second GPU, one of your only options is to use QXL which is like a virtual GPU. Unfortunately, QXL's graphics performance is absolutely pathetic as it lags even when you drag program windows around the desktop, to say nothing of its nonexistent 3D acceleration. It is literally eons worse than even virtualbox, which itself is eons worse than vmware's 3D acceleration.
I am aware that there is one other option besides QXL and that is single GPU passthrough. However I do not even consider that an option because you won't be able to use the host OS while the VM is running.
There is also another caveat which is that setting up shared folders is much more manual with Qemu than either virtualbox or vmware. Personally I wouldn't mind this if it meant I could get better graphics performance, but as it stands now it is only the icing on the turd cake of my experience.
I WANT to use Qemu, but only virtualbox or vmware can provide me with bearable desktop performance at the moment.
It is surprising that one GPU cannot be used by more than one system at the time. Like, really really bad design. Usually you need to have your main GPU available on the host as well, it would be silly otherwise.
You can try single gpu passthrough, it is working for me, i used risingprism guide. If you're interested check it out 😉
@@HyperMario64 Right, thanks for reminding me. I forgot to mention that there is a 3rd option available only to Nvidia users - VGPU unlocker. It enables splitting the GPU cores on consumer-grade GPUs like Geforce like you would split CPU cores and share only part of them to the VM. This is normally only allowed on datacenter-grade Nvidia GPUs because Nvidia (sincerely **** them) want you to buy their more expensive GPUs which do not have this software limitation. VGPU unlocker allows you to use this feature on normal GPUs as well.
This works only on a subset of consumer-grade Nvidia GPUs and mine is not one of them unfortunately.
also no drag and drop files :(
I haven't had that many issues with qxl, but I've mostly used windows or Linux with the guest tools / drivers so that probably helped a little.
>we'll give our virtual machine a little bit of ram
>32 gigabytes
Been on it for three weeks now. Never looked back after almost 17 years on VMWare and VirtualBox variants.
omg thanks for virtio drivers and tips thats real game changer
Curious why you like openrc over runit? I've tried to do a bit of checking but there is not a whole lot about to use for comparison between the two.
init is reference to the maximum process id you'll ever have access to. There's a hint. Another hint might be how that's different from user 0 versus Init 1 😉
i worded that oddly. Technically it's the lowest number not the maximum, but nvm...
@@aninnymoose720 I think you are confused as to the OP's question.
notification squad
😎
wtf I just watch your regular videos, didn't realize my win10 KVM tutorial was also by you :o
You should look into / do a video on looking glass for dual gpus. It's specifically made for gaming and it captures your mouse and keyboard in a way that feels native when it comes to latency. It also manages to show you the display output at high performance and no quality loss.
at this point, we need to archive his videos for posterity
Good idea! Although Odysee is your friend too!
I had one and performance was pretty great, but man, getting files to and from the virtual machine was a PITA. VirtualBox's folder sharing is just too rich of a feature to get me to switch.
The normal way you would share files is via smb/nfs/ftp/ssh etc, VM's are no different.
Agreed, I need that folder sharing feature, makes it easier to share directory
@@entelin Obviously OP finds the "normal" way to be a PITA. Vbox let's you drag and drop files and share folders 🤷
What's your point?
@@1yaz Because I don't really believe that anyone would sacrifice crap tons of performance.. Then claim they are doing that because a normal mapped drive, which is essentially the exact same thing from a user perspective as having files locally in your C:, is somehow a PITA. Drag/drop also creates copies of files, which is almost always less desirable than keeping your files in a central location and working on them from there. It's a user training / setup issue, not an actual real issue.
do it like i do. basically virtually connect a usb stick between the main pc and the vm
This video got me into running Qemu/KVM/Libvirtd from the command line. Super appreciate the run-down here and helping me stay occupied through recovering from a couple of hip surgeries.
The trouble I'm finding is that my Windows 10 guest does not have any audio driver (Linux guests are fine though) AND attempting passthrough of usb device gives an "access denied" error. So no webcam capabilities and even if I could there would be no way to hear ppl. Basically I want to use my Windows guest for work and school and thereby (with Firjail+apparmor) sandbox any mandatory weirdness from Zoom and Microsoft Teams and Google Meet. For some reason I need to use all of those for work or school and only Zoom works sandboxed on my system. I'm running Manjaro/xfce.
I have been banging my head against a wall reading and attempting the qemu invocation docs, iommu passthrough tutorials, and file ownership workarounds. Plz help, I'm losing it. Lol.
QEMU is amazing. Been using it to boot Kali and Windows on Pop!OS
Nearly the same gaming performance as native Windows? I can't believe it. Sounds virtually impossible 🤔
Well, to do that you need to do something call gpu passthrough, to pass your gpu to the vm.
Is very interesting, but seems to require some virt manager knowledge.
@@perseo10000 It was meant as a bad joke ("virtually"😬) but your reply was actually interesting, thanks!
I love QEMU/Virt Manager, but the only issue is that there is no way(as far as I know) to share files with my guest. And since I use VMs mainly to edit this kinda kills it for me.
Something something samba share, but I agree 100%. My Win VM guest is to do Win exclusive processing my Linux can't do (or do as well) and getting the data back and forth was difficult to say the least. VirtualBox's file sharings are just too nice of a feature for me to give it up just yet.
@@Biggestsonicfan The issue is even with somthing like samba. you have to upload the videos. which for me could range from 4-10gb videos. and then download them to the VM. hopfully one day a more easy way to file share on Virtmanager becomes a thing cuz I would love to switch over.
I didn't know about "sudo !!" thing, thanks
Absolutely my favourite way to virtualize.
Mental Outlaw, I gotta say. You really exhibit this "use X until I use Y" pattern. I specifically recall a video where you talked about QEMU/KVM being too complicated/whatever and that everyone should just use virtual box. Meanwhile... The landscape hasn't changed since that video was made. The only thing that changed was you've tooled around with it more and decided that Virtualbox belongs in the bin now that you aren't using it. Thank God you found virt-manager, otherwise you'd still be telling everybody to use Virtualbox. I guess we all really do learn in the end. This constantly ADHD aspect of open source users is the most annoying thing in the world of computing. Why don't you tell all your followers to install Ubuntu? They'd have KVM/QEMU working out of the box with ZFS and full disk encryption! Can't you make a video tutorial on how to do that with Gentoo? I'm joking of course. That's way too much for ANYONE besides full time basement dwellers. I recently switched from Linux and Windows to chromeOS and macOS. I'm back to living life and no longer pretending to fight a lost war
I agreed with all your points, but... switching to chromeOS and macOS? How is that an improvement? You go out of your way to chain yourself down to a proprietary platform that happily pilfers your data via telemetry, imposes barriers to accessing and modifying your own machine, and is effectively a dumbed-down, layman-proof version of Linux in the first place. I understand switching to Windows if that's what you prefer, or you need software to run, but willingly switching to a less permissive os, because using Linux Mint/Ubuntu is a "lost war"? Precisely that kind of indifference threatens freedom! Using a foss operating system is not about measuring each other's techno penises in a frenzied elitism contest, it's about placing the power over the system in the hands of the consumer, not the power over the consumer in those of the system.
@@spaghettiking653 so you want to talk about telemetry and security? Do you run an AMD64 CPU? Apple's M1 chip doesn't have remote access capabilities as confirmed by Marcan, the guy who ported Linux to Apple Silicon. As far as chrome and apple spying, what does that mean when you're preemptively pwned by Intel and others at the negative ring level? I don't need Tor because I'm not a political dissident nor a human trafficker etc, and none of you last war fighters are going to stop internet regulation and control crackdowns. Governments do as governments will, and you think that your tiny puny opinion that most people don't even have the technological prerequisite understandings to even OPINE is going to matter to a large enough populace to actually reach public outcry levels? No way, man. macOS is way less likely to be hacked than a poorly implemented custom encryption deployment blindly following some Arch wiki guide with zero understanding. And also way less likely to be hacked than Windows as well. And chromeOS also has way better default security parameters than most Linux distributions. That's also a fact. Linux sucks for desktop use in my experience. chromeOS is way better on an old laptop than ubuntu is. But that's just my opinion. macOS is more enjoyable to me than Windows because it doesn't have 3 different control panel generations existing simultaneously. I'm not cucked enough to use iOS, however. So I'm sure we agree on a lot. Also the Mac doesn't pilfer my data because it's a workstation not connected to the web and the Chromebook is used for regular research... Not sure what's wrong with that approach. You're not modifying your machine. You're probably not even recompiling your kernel or using a custom init. You're running stock firmware and a regular bios. Who the hell are you to talk about modifying your own machine? OKAY, Terry davis 2.0. Let's hear about your custom shit. Built with other people's Legos. Unless you really are Terry 2.0. You open source fanatics are constantly talking about hypotheticals and conspiracy theories and almost all of it is only an issue if you want to always leave your machine connected to the internet. You all really just sound like CSAM consumers tbh, lmao. Like, having your computer online all the time so you can constantly be browsing -- that's another optional addiction but you people gaslight productive individuals who don't worry about security with nonsense about your NON-EXISTENT cyber security. Some of us visit libraries and use our computers for computations. And Chromebooks are for web browsing and that's it. Again, What's wrong with that approach? Don't you dare talk about your power as a consumer. You're running a proprietary CPU with multiple remote access backdoors ffs. And you're telling me I'm using the wrong browser/OS.
Not to mention Linux is a wholly corporate venture and that's exactly why you have "Nvidia, FUCK YOU" attitude. You beg the corporations you openly hate for better support. Lol. And you want them to do it all open source. It's the reason Linux remains only useful for large corporations that can hire dozens of developers to make the code actually good and also for soothing autism flare-ups in people that think a computer dick size comparison means something. Do you purposely disable Plymouth so you can see the kernel boot??? WOW you're so much more FREE than me .... I'm jealous
@@user-pb1xd8pv2l Not much I can do about my proprietary CPU, and as far as I'm aware, there's very little alternative in the way of open hardware to begin with. Sure, I could go out of my way to get an M1, but then wrangle with the process of removing macOS - nothing inherently wrong with it, of course, no one's gonna tell you you can't use your own hardware and software however you like. There is nothing wrong with your approach. But macOS sure as shit ain't to my liking, and for the same reason I wasn't able to purchase an AMD chip in distaste of Intel's pride and anticonsumerism, I feel that using any other chipset, on top of running Linux, will make an unbearable amount of software simply unrunnable, as far too much of it is architecture- and chipset-dependent. And for the record, I have built my own kernel, though not for the purposes of watching CSAM, but just to patch out the shitload of bloatware that ships with a generalised kernel. Even still, that kernel is dramatically less bloated than Windows, for chromeOS and macOS I cannot say; at any rate, the point is not that you need Julian Assange level system knowledge to modify your own system, I'm just saying it allows you more leverage over its appearance, function, etc. because it isn't maintained by a corporation that wants to impose its one-size-fits-all approach onto all users. More power to you if you want to use those operating systems, but I don't consider my use of Linux to be a "losing war", to be honest. The difference so far has been basically negligible; I'm just using my computer without blessing several multi-billion dollar corporations with the benefaction of my precious, precious data. Specifically, Google and Microsoft. What goes on on the hardware level is beyond my control and financial capabilities; I ain't gonna shell out another several hundred just to "free" myself from one proprietary hurdle into another. It's not like governments will listen, but I still think it's possible to at least show corporations their place: you can already see the effect on Facebook stock when Apple implements a "do not track" button, and consciousness about privacy is growing tremendously as it is anyway.
With regard to security, I don't see how there's particularly much difference between a default Linux installation and a Mac one, considering neither is especially prone to mainstream malware, which primarily targets Windows a priori to capitalise on its colossal userbase. If any system is more likely to be hacked, it's the one which is closed-source, shut off for inspection by the audit of the public, allowing absolutely no one to augment its security with a simple open-source patch. Only hackers can benefit from closed-source, as they only have to contend with the proprietor's security team, not the entire FOSS public. For desktop use, I'd imagine Mac, Linux, ChromeOS, etc. to be all the same, no? Why should one be dramatically more secure than another?
On the whole though, I do agree we probably think the same on many points. Pleasure to talk to someone with an actually meaningful and critical opinion.
I like Proxmox. Supports VFIO, uses KVM under the hood (it's Debian-based), has a nice web interface. It's like having a cloud inside your home.
Thank you for another video! 🐧
cool the timing, just yesterday I uninstalled the virtualbox, I have been using qemu for a few times alongside virtualbox, but neat