Posts tagged "qemu"

• Jul 9, 2026

  VM Snapshots in qcontroller: Go Back to When Everything Worked

  qcontroller can now snapshot a running VM and restore it later - RAM, devices, disk, everything. Here's why I wanted it, and the one change to disk attachment that made the implementation almost trivial.

• Jun 25, 2026

  -hda vs virtio-blk: Match the Disk Bus to the Guest Image

  qcontroller booted Ubuntu cloud images without problems, then broke on 26.04. The reason: the image switched to initrdless boot, and my -hda (SATA) disk no longer had a driver. Here's how I tracked it down.

• Oct 5, 2025

  Running QEMU VMs on ARM64: UEFI Requirements

• Aug 5, 2025

  Introducing qcontroller: Declarative VM Management with QEMU and Go

• Aug 4, 2025

  QEMU QAPI Client for Go — Native Code-Gen Straight from QEMU

• Aug 2, 2025

  Automating Bridge + TAP Networking with a Go Binary (No Bash, No Fuss)

• Feb 24, 2025

  Setting Up VM Networking on Linux: Bridges, TAPs, and More

• Jun 18, 2024

  QEMU networking on macOS