virtualization

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#virtualization

Leaving VMware just got harder after Broadcom pulled VDDK downloads

Hacker News Top · 13h ago Cached

Broadcom has removed public access to VMware's Virtual Disk Development Kit (VDDK), a critical library for migration tools, creating obstacles for customers attempting to leave the VMware platform post-acquisition.

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#virtualization

Decapitating a MacBook (2025)

Hacker News Top · 2d ago Cached

A developer details their journey to set up a headless MacBook Air M1 for Apple platform development, exploring alternatives like virtual machines and CI services while prioritizing cost and power efficiency.

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#virtualization

VMware migration reduces Tottenham Hotspur's licensing fees by 85 percent

Ars Technica · 4d ago Cached

Tottenham Hotspur has reduced its VMware licensing fees by 85% by migrating to HPE's Morpheus VM Essentials virtualization software and GreenLake cloud management platform.

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#virtualization

Boot a Virtual iPhone via Apple's Virtualization.framework

Hacker News Top · 2026-08-28 Cached

vphone-cli is a command-line tool that enables virtualizing iPhones on Apple Silicon Macs using Apple's Virtualization.framework, with features for firmware patching, jailbreaking, and management.

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#virtualization

Haiku R1/beta6 released

Lobsters Hottest · 2026-08-26 Cached

Haiku R1/beta6 has been released, marking the project's 25th anniversary with over two years of development that includes support for Firefox and hardware virtualization via QEMU on x86_64 systems.

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#virtualization

Run Minecraft in a Windows sandbox for computer use agents

Hacker News Top · 2026-08-25 Cached

This guide explains how to set up and run Minecraft Java Edition in a Windows sandbox, controlled by an AI agent using a driver's MCP server, covering requirements and step-by-step instructions.

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#virtualization

@jonathangrahl: By experience, getting Firecracker to run well on M-series macs is quite the undertaking. I'm not at all surprised Enco…

X AI KOLs Following · 2026-08-21 Cached

The tweet discusses the challenges of running Firecracker on M-series Macs and references Encore's blog post about rebuilding their Linux microVM stack for Apple Silicon, sharing their own experience with nested virtualization.

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#virtualization

We Rebuilt the Linux MicroVM Stack on Apple Silicon

Hacker News Top · 2026-08-21 Cached

Encore has rebuilt the Linux microVM stack on Apple Silicon, optimizing virtualization for Apple's M1 and M2 processors.

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#virtualization

@0xMortyx: everyone talks about NVIDIA supply. almost nobody talks about how efficiently those GPUs are actually used once deploye…

X AI KOLs Timeline · 2026-08-20 Cached

A tweet discusses the overlooked issue of GPU efficiency post-deployment and references a startup raising $13M to address GPU idle time through virtualization.

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#virtualization

Fargate Is Not Firecracker (2024)

Lobsters Hottest · 2026-08-19 Cached

This article debunks the misconception that AWS Fargate uses Firecracker microVMs for container isolation, clarifying that it does not despite marketing implications, and discusses operational trade-offs for users.

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#virtualization

@XAMTO_AI: If we consider the fork() of a process as the OS's cloning ability, then forkd is like casting that spell into the micro-VMs for AI Agents. It leverages Firecracker and KVM to let a pre-warmed parent VM fork into 100 child VMs in around 100ms, with BRANCH operations on running sandboxes taking as little as about…

X AI KOLs Timeline · 2026-08-16 Cached

forkd is a micro-virtual machine runtime based on Firecracker and KVM, allowing the forking of 100 child VMs in about 100 milliseconds, suitable for parallel exploration scenarios in AI Agents. Currently in Alpha stage, it provides a fast BRANCH feature for snapshotting and forking virtual machines while running.

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#virtualization

I found a KVM guest-to-host heap corruption bug and someone else got there first

Lobsters Hottest · 2026-08-12 Cached

Blog post detailing the discovery of CVE-2026-53360, a heap out-of-bounds read/write in KVM's SEV-SNP Page State Change handler that lets a malicious guest corrupt host kernel memory. The author discusses the bug, his incorrect fix, the better fix from a duplicate reporter, and provides a CTF challenge.

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#virtualization

Triton: DirectX 11 Driver for QEMU

Hacker News Top · 2026-08-08 Cached

Triton is a new Windows driver for QEMU that, together with the Neptune layer, brings full DirectX 11 graphics acceleration to Windows virtual machines by implementing the DirectX DDI instead of API interception.

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#virtualization

Zapscape - Guest to host escape in KVM/x86

Lobsters Hottest · 2026-08-06 Cached

Zapscape (CVE-2026-64561) is a KVM/x86 shadow MMU use-after-free vulnerability that allows a guest VM to escape to the host and execute code with kernel privileges. The published PoC demonstrates a full guest-to-host escape targeting AMD SVM/NPT on Linux 7.1.3, posing a serious threat to multi-tenant public clouds.

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#virtualization

Proxmox officially supports Arm, with some caveats

Lobsters Hottest · 2026-08-05 Cached

Proxmox has officially released Proxmox Virtual Environment for 64-bit ARM, with official support for NVIDIA Grace Hopper and Vera platforms, and best-effort support for other UEFI-based ARMv8/ARMv9 systems.

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#virtualization

The Future of GNOME Boxes

Lobsters Hottest · 2026-08-03 Cached

GNOME Boxes has been rebuilt from the ground up as a Flatpak-only GTK4/Libadwaita app with a bundled virtualization stack, now offering out-of-the-box Windows 11 installation support (Secure Boot + virtual TPM) and a beta release for testing.

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#virtualization

Maybe we should revisit microkernels

Lobsters Hottest · 2026-07-25 Cached

This article argues that modern hardware, particularly IOMMUs, makes microkernels viable again by eliminating overhead from context switches, and suggests revisiting microkernel designs for better security and reliability.

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#virtualization

Making Xen's dom0 I/O path NUMA aware

Hacker News Top · 2026-07-22 Cached

This article details the process of making Xen's dom0 I/O path NUMA aware, including fixes for memory placement and topology synthesis, as part of a series on NUMA optimization for Xen hypervisor.

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#virtualization

Running microVMs in Proxmox VE, The Easy Way

Lobsters Hottest · 2026-07-19 Cached

Introduces pve-microvm, a Debian package that integrates QEMU's microvm machine type into Proxmox VE, enabling sub-300ms boot times and hardware isolation with minimal overhead, supporting various guest OS types.

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#virtualization

Sheetz moves 838 stores off VMware: Broadcom created “too much uncertainty"

Ars Technica · 2026-07-15 Cached

Sheetz is migrating 11,000 virtual machines off VMware to StorMagic's SvHCI, citing uncertainty and cost increases caused by Broadcom's acquisition. The migration spans 838 stores and highlights a broader trend of enterprises leaving VMware.

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