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Holos – QEMU/KVM with a compose-style YAML, GPUs and health checks

  • Hacker News

I got tired of libvirt XML and Vagrant's Ruby/reload dance for single-host VM stacks, so I built a compose-style runtime directly on QEMU/KVM. What's there: GPU passthrough as a first-class primitive (VFIO, OVMF, per-instance EFI vars), healthchecks that gate depends_on over S...

  • Published: Apr 20, 2026
  • First seen: Apr 20, 2026
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AI Summary

I got tired of libvirt XML and Vagrant's Ruby/reload dance for single-host VM stacks, so I built a compose-style runtime directly on QEMU/KVM. What's there: GPU passthrough as a first-class primitive (VFIO, OVMF, per-instance EFI vars), healthchecks that gate depends_on over S...

Best for

Teams evaluating AI product workflows / Builders comparing emerging tools / Operators tracking early category shifts

Why it matters

Primary discovery source is Hacker News.

Key Features

  • Primary public product URL is https://github.com/zeroecco/holos.
  • Description: I got tired of libvirt XML and Vagrant's Ruby/reload dance for single-host VM stacks, so I built a compose-style runtime directly on QEMU/KVM. What's there: GPU passthrough as a first-class primitive (VFIO, OVMF, per-....
  • GitHub repository is linked as zeroecco/holos.
  • Listed on Hacker News as "Holos – QEMU/KVM with a compose-style YAML, GPUs and health checks".
  • Source description: I got tired of libvirt XML and Vagrant's Ruby/reload dance for single-host VM stacks, so I built a compose-style runtime directly on QEMU/KVM. What's there: GPU passthrough as a first-class primitive (VFIO, OVMF, per-....

Use Cases

  • Primary discovery source is Hacker News.
  • A public GitHub repo is available for direct technical review.
  • Hacker News mention is recent (2026-04-20).
  • Primary public product URL is https://github.com/zeroecco/holos.
  • Description: I got tired of libvirt XML and Vagrant's Ruby/reload dance for single-host VM stacks, so I built a compose-style runtime directly on QEMU/KVM. What's there: GPU passthrough as a first-class primitive (VFIO, OVMF, per-....

Why Now

Holos – QEMU/KVM with a compose-style YAML, GPUs and health checks is appearing on fresh discovery surfaces, so it is worth reviewing while momentum is still forming. Confidence is currently medium (49/100), so treat this as an early signal rather than a settled trend.

Community Signals

Trend score

76.4

24h momentum

Rising

Hacker News points

32

Rising

Facts / Signals / Inference / Unknowns

Facts

  • Listed on Hacker News as "Holos – QEMU/KVM with a compose-style YAML, GPUs and health checks".
  • Source description: I got tired of libvirt XML and Vagrant's Ruby/reload dance for single-host VM stacks, so I built a compose-style runtime directly on QEMU/KVM. What's there: GPU passthrough as a first-class primitive (VFIO, OVMF, per-....
  • Source publish date is 2026-04-20.
  • Description: I got tired of libvirt XML and Vagrant's Ruby/reload dance for single-host VM stacks, so I built a compose-style runtime directly on QEMU/KVM. What's there: GPU passthrough as a first-class primitive (VFIO, OVMF, per-....
  • GitHub repository is linked as zeroecco/holos.
  • Primary public product URL is https://github.com/zeroecco/holos.

Signals

  • Hacker News mention is recent (2026-04-20).
  • A public GitHub repo is available for direct technical review.
  • Primary discovery source is Hacker News.

Inference

  • Public code access can lower evaluation friction for developer audiences.

Unknowns

  • Documentation is not explicitly linked in the current allowed evidence set.
  • No tagline is stored on the current product record.
  • Pricing details are not explicitly linked in the current allowed evidence set.
  • Recent changelog or release history is not explicitly linked in the current allowed evidence set.
  • Release cadence cannot be confirmed unless a changelog or release link is explicitly provided.

Evidence Snapshots

Holos – QEMU/KVM with a compose-style YAML, GPUs and health checks

Listed on Hacker News as "Holos – QEMU/KVM with a compose-style YAML, GPUs and health checks".

Holos – QEMU/KVM with a compose-style YAML, GPUs and health checks GitHub repository

GitHub repository is linked as zeroecco/holos.

Holos – QEMU/KVM with a compose-style YAML, GPUs and health checks official profile

Primary public product URL is https://github.com/zeroecco/holos.

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Original Sources

Hacker News