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QEMU 6.0

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Re: QEMU 6.0

#21

Post by ktpsns »

arsome wrote: post #15
tofflos wrote: post #14

Semi-related question... I recently spent an evening trying to familiarize myself with virtualization tooling and my initial impression was that the CLI experience for kvm and hyper-v was rather clunky compared to let's say docker, gcloud, ignite and kubectl. Also a lot of the learning material seems to be oriented towards GUI. It could be that I just haven't spent enough time with kvm and hyper-v. I've spent a LOT o…

You're comparing VM tooling with container tooling, there's going to be substantial differences in level of abstraction. I might suggest you look at the libvirt platform, it's a wrapper around KVM essentially, but there's virsh which I've found reasonably straight forward to work with.

Yes, virsh is really a nice tool to work with. It has multiple times saved my ass when the graphical virt-manager refused to work (for whatever X11-reason).

Re: QEMU 6.0

#22

Post by zerovar »

Can something like this be used to, say, build emulators for different game consoles? And do the popular emulators use this as a building block? Asking this as someone whose only experience with emulation and virtualization is running games on VisualBoyAdvance and running Ubuntu on VirtualBox

Re: QEMU 6.0

#23

Post by xorcist »

tofflos wrote: post #14

Semi-related question... I recently spent an evening trying to familiarize myself with virtualization tooling and my initial impression was that the CLI experience for kvm and hyper-v was rather clunky compared to let's say docker, gcloud, ignite and kubectl. Also a lot of the learning material seems to be oriented towards GUI. It could be that I just haven't spent enough time with kvm and hyper-v. I've spent a LOT o…

For small installations or a single host, plain old virsh is probably what you are looking for. Point it to an iso and you're good to go. Not sure if it does any post install provisioning, but that's what kickstart and ansible is for.

Larger virtualization installations will already have a management layer, something like oVirt or vSphere, that has similar tools available.

Re: QEMU 6.0

#24

Post by metalliqaz »

zerovar wrote: post #22

Can something like this be used to, say, build emulators for different game consoles? And do the popular emulators use this as a building block? Asking this as someone whose only experience with emulation and virtualization is running games on VisualBoyAdvance and running Ubuntu on VirtualBox

its not really meant for that, but there wouldn't be anything to stop someone from creating the hardware emulation, as far as I know. Still, purpose-built console emulator software is sure to be far better for the task.

Re: QEMU 6.0

#25

Post by ta988 »

tofflos wrote: post #14

Semi-related question... I recently spent an evening trying to familiarize myself with virtualization tooling and my initial impression was that the CLI experience for kvm and hyper-v was rather clunky compared to let's say docker, gcloud, ignite and kubectl. Also a lot of the learning material seems to be oriented towards GUI. It could be that I just haven't spent enough time with kvm and hyper-v. I've spent a LOT o…

Look at LXC/LXD you get both VMs and containers with the same CLI.

Re: QEMU 6.0

#26

Post by HideousKojima »

zerovar wrote: post #22

Can something like this be used to, say, build emulators for different game consoles? And do the popular emulators use this as a building block? Asking this as someone whose only experience with emulation and virtualization is running games on VisualBoyAdvance and running Ubuntu on VirtualBox

Yes:

https://xemu.app/

https://xqemu.com/

Are both original Xbox emulators built off of QEMU (Xemu is a fork of XQEMU). I've only used Xemu, but performance was pretty good for the games I tried on it (it doesn't have a way to upscale rendering yet though).

Re: QEMU 6.0

#28

Post by economusty »

tofflos wrote: post #14

Semi-related question... I recently spent an evening trying to familiarize myself with virtualization tooling and my initial impression was that the CLI experience for kvm and hyper-v was rather clunky compared to let's say docker, gcloud, ignite and kubectl. Also a lot of the learning material seems to be oriented towards GUI. It could be that I just haven't spent enough time with kvm and hyper-v. I've spent a LOT o…

You want proxmox, which is a linux distribution focused on vm management.

Re: QEMU 6.0

#29

Post by eatbitseveryday »

raimue wrote: post #7
djs55 wrote: post #6

Earlier quoted context omitted.

Do you mean TSG? From https://wiki.qemu.org/ChangeLog/6.0#TCG > TCG > Added support for Apple Silicon hosts (macOS)

TSO is Total Store Ordering, which refers to the memory model of x86_64. For Rosetta 2, Apple will switch the M1 processor's memory model when emulating x86_64.

Any documentation for this?

Re: QEMU 6.0

#30

Post by kashyapc »

tofflos wrote: post #14

Semi-related question... I recently spent an evening trying to familiarize myself with virtualization tooling and my initial impression was that the CLI experience for kvm and hyper-v was rather clunky compared to let's say docker, gcloud, ignite and kubectl. Also a lot of the learning material seems to be oriented towards GUI. It could be that I just haven't spent enough time with kvm and hyper-v. I've spent a LOT o…

There's a lot of useful command-line tooling for KVM- and QEMU-based virt. Here's a small selection of them:

• virsh — This[1] is libvirt's shell interface; and gives you access to the rich set of libvirt APIs.

• virt-builder — Use this for rapidly building minimal or customized virtual machines; it's greatly flexible; check out its man page[2]. And here's[3] a quick example that connects both virt-builder and virsh together.

• virt-install — Use this if you don't like the default build of the template images from virt-builder; it lets you create "headless" servers via 'kickstart' and Linux OS trees from the command-line.

• guestfish and libguestfs suite[4] — This rich set of tools help you in a variety of use-cases: repairing your broken disk images, editing, cloning, debugging disk images, and more. It has saved my behind a lot of times.

• qemu-img[5] – This Swiss Army knife lets you powerfully manipulate disk images (QCOW2, raw, et al) offline. Example operations include: create images, backing chains, offline snapshots, disk image merging, ability to convert disk images from one format to another, and more.

[1] https://libvirt.org/manpages/virsh.html

[2] https://libguestfs.org/virt-builder.1.html

[3] https://developer.fedoraproject.org/tools/virt-builder/about...

[4] http://libguestfs.org/

[5] https://qemu.readthedocs.io/en/latest/tools/qemu-img.html

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