Hacker News with Generative AI: Virtualization

Red Hat Woos VMware Shops with OpenShift Virtualization Engine (nextplatform.com)
Broadcom’s $61 billion acquisition of VMware in November 2023 and the subsequent changes to venerable virtualization company’s business model and pricing have rankled many long-time enterprise users, a situation that has been highly publicized despite assertions by Broadcom and VMware executives that such reports are little than FUD – short for fear, uncertainty, and doubt.
Libvirt 11.0 Released for Open-Source Virtualization API (phoronix.com)
Libvirt 11.0 was christened today as the newest version of this open-source Virtualization API for managing VMs on Linux and other platforms while supporting KVM, QEMU, Xen, VMware ESX, LXC, Bhyve, and other hypervisors.
Euro-cloud provider Anexia moves 12,000 VMs off VMware to homebrew KVM platform (theregister.com)
Broadcom has lost another large customer for its VMware platform: Austrian cloud provider Anexia has moved 12,000 VMs, some of them rented by major European businesses, to an open-source system based on the KVM hypervisor.
Qubes OS: Templates (qubes-os.org)
In Getting Started, we covered the distinction in Qubes OS between where you install your software and where you run your software.
ELux: Light-weight, Linux-based, highly secure operating system (unicon.com)
eLux® is an ultra light-weight, Linux-based, hardware agnostic, highly secure x86 endpoint operating system purpose-built to help companies scale, and secure their end-user computing in complex VDI, DaaS environments.
How Proxmox VE shreds your SSDs – with details (reddit.com)
Time has come to revisit the initial piece on inexplicable writes that even empty Proxmox VE cluster makes, especially we have already covered what we are looking at: a completely virtual filesystem 1 with a structure that is completely generated on-the-fly, some of which never really exists in any persistent state - that is what lies behind the mountpoint of /etc/pve and what the process of pmxcfs created the illusion of.
Proxmox Announces Proxmox Datacenter Manager (proxmox.com)
We’re excited to announce the alpha preview of Proxmox Datacenter Manager! This is an early-stage version of our software, giving you a first impression at what we’ve been working on and a chance to collaborate.
Make your QEMU faster (2022) (schreibt.jetzt)
NixOS uses virtual machines based on QEMU extensively for running its test suite. In order to avoid generating a disk image for every test, the test driver usually boots using a Plan 9 File Protocol (9p) share (server implemented by QEMU) for the Nix store, which contains all the programs and config necessary for the test.
Linux Fixing a "Hilarious/Revolting Performance Regression" Around Intel KVM (phoronix.com)
It's not too often that "fixes" to the Kernel-based Virtual Machine (KVM) are noteworthy but today is an interesting exception with among the KVM fixes sent in today ahead of the Linux 6.13-rc3 tagging is for beginning to deal with a "hilarious/revolting" performance regression affecting recent generations of Intel processors.
SVC16: Simplest Virtual Computer (github.com/JanNeuendorf)
This is the specification for an extremely simple "virtual computer" that can be emulated.
FreeBSD – Assign OVH Failover IPs to FreeBSD Jails – IT Notes (dragas.net)
OVH (and Soyoustart, of course) network seem to be configured in a “strange” way and setting failover IPs isn’t always as straightforward as you think it should be.
Distrobox in Practice (2023) (hackeryarn.com)
Distrobox is the single piece of software that completely changed the way I work. If you’ve hear of or used Vagrant and thought it was a great idea but implemented in a really heavy handed manner, then Distrobox is exactly what you’ve been looking for.
A quick look at OS/2's builtin virtualization (uninformativ.de)
A while ago, someone on the fediverse mentioned "OS/2's virtualization features" to me. I don't remember who it was, sorry. I had the chance to take a look at this today.
QEMU with VirtIO GPU Vulkan Support (github.com)
Instant macOS install on Proxmox including AMD patches (github.com/luchina-gabriel)
Voilà, install macOS on ANY Computer! This is really and magic easiest way!
FreeBSD OCI Container on Jails/Bhyve with Support for Podman (freebsdfoundation.org)
The Open Container Initiative (OCI) develops open industry standards for cloud native container formats and runtimes, ensuring platform consistency.
CheerpX 1.0: High performance x86 virtualization in the browser via WebAssembly (leaningtech.com)
CheerpX is a WebAssembly-based virtualization engine for x86 binaries. It is built on top of standard Web technologies, and runs fully in the browser, with no need for server side execution of any sort.
Creating a Proxmox or QEMU ChromeOS Flex VM (kevindavid.org)
I recently wanted to experiment with ChromeOS Flex but didn’t want to install it on a physical machine. I also was doing this without a USB key, which complicated things slightly.
Rust in QEMU Roadmap – Paolo Bonzini (kernel.org)
Based on the content presented in the community calls, here are some ideas for future Rust in QEMU subprojects.
Rust in QEMU Roadmap (kernel.org)
Based on the content presented in the community calls, here are some ideas for future Rust in QEMU subprojects.
Replacing Proxmox with FreeBSD and Bhyve – Abnml (abnml.com)
There are many options for virtual machine hosts like Hyper-V, XCP-ng, Proxmox, VirtualBox, VMware, and KVM. I've worked with all of them except for bhyve.
Linux 6.13 KVM Eliminates an "Awful Idea", Many x86_64 Improvements (phoronix.com)
The KVM changes were merged yesterday for Linux 6.13 in further enhancing the open-source virtualization stack.
Virtual CPUFreq Driver Coming with Linux 6.13 for Better Performance Within VMs (phoronix.com)
Included now for Linux 6.13 is the virtual-cpufreq driver as a virtualized CPU frequency scaling driver.
Docker Networking Internals: How Docker Uses Linux Iptables and Interfaces (securitynik.com)
I started playing with docker a while ago, and like most people I was instantly impressed with its power and ease of use.
IBM Power11 CPUs Launching 2025 – Linux 6.13 Preps KVM Nested Guests for Power11 (phoronix.com)
IBM isn't formally releasing Power11 processors until next year, but their software engineers continue being quite busy preparing the Linux kernel and other open-source software for Power11. The newest on the kernel side is enabling support for KVM nested guests on IBM Power11 platforms.
Microsoft built a PC that can't run local apps – Windows 365 Link starts at $349 (tomshardware.com)
Linux Fixes Hosts Randomly Rebooting During Virtualization with Ryzen 7000/8000 (phoronix.com)
Ahead of the Linux 6.12 kernel release expected today there is a last minute "x86/urgent" pull request.
M4 Macs can't virtualise older macOS (eclecticlight.co)
If you’ve already got a new M4 Mac and tried to run a macOS virtual machine on it, then you might have been disappointed. It seems that M4 chips can’t virtualise any version of macOS before 13.4 Ventura. So before you trade in or pass on your M1, M2 or M3 Mac, if you need access to older VMs, you might like to check whether this affects you.
Run macOS in a Docker Container (github.com/dockur)
OSX (macOS) inside a Docker container.
WebVM 2.0: A complete Linux Desktop Environment in the browser via WebAssembly (leaningtech.com)
WebVM is a full Linux environment running in the browser, client-side. It is a complete virtual machine, with support for persistent data storage, networking and, as of today’s release, Xorg and complete desktop environments. In an instance of WebVM, everything executes locally within the browser sandbox.