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Notes from building kvbox.
How a box boots, what a snapshot holds, and what changed in each release. Engineering first, written by the person building it.
warm
EngineeringFeatured
Snapshots are images: how a warm box starts in 0.3 seconds
Containers made images cheap. kvbox does the same for whole VMs, by freezing a running box and starting new ones from it with every process still alive.
Oct 27, 2026 · 5 min readhost
Self-hosting
Run your own kvbox host on a Linux machine
One script turns a Linux box with KVM into a complete kvbox host: Firecracker, a guest image, networking and a systemd service. What it installs, what it asks sudo for, and how to reach it from outside.
Oct 27, 2026 · 5 min readhttps
Engineering
From box to https://mysite.kvbox.app in two commands
Run a web server or a whole dev lab inside a kvbox and give it a real HTTPS address, with WebSockets, extra names for more ports, and wake on request.
Oct 27, 2026 · 5 min readInstall kvbox.
Run kvbox new.
$curl -fsSL https://kvbox.sh/install.sh | bash