Tag:sandboxes

All the articles with the tag "sandboxes".

• NVIDIA OpenShell vs Celesto: Two Approaches to Secure AI Agent Sandboxes

  Updated:11 Oct, 2026

  12 min read

  Compare NVIDIA OpenShell and Celesto across isolation, security policies, microVMs, Windows support, browser automation, snapshots, and agent workloads.

• Firecracker on macOS: Develop with QEMU, Deploy with Firecracker

  Updated:11 Oct, 2026

  7 min read

  Firecracker does not run natively on macOS. Learn how to develop with Celesto and QEMU on a Mac, then switch to Firecracker on Linux with one backend flag.

• Firecracker, QEMU, and libkrun Performance Benchmarks and Sizing Profiles

  Updated:11 Oct, 2026

  17 min read

  Measured Firecracker and QEMU performance, an honest libkrun data gap, reproducible benchmark commands, and practical sizing profiles for AI sandboxes.

• How qcow2 Overlays Work in QEMU

  Updated:11 Oct, 2026

  6 min read

  Learn how qcow2 backing files work in QEMU, why they are different from Linux overlayfs, and how they make VM sandbox cloning fast and cheap.