KRUNVM(1)

💖 KRUNVM — the krunvm(1) era 💖

okay bestie, sit down, hydrate, because this is the manual page for krunvm(1) and it's genuinely iconic.

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✨ NAME ✨

krunvm — Create microVMs from OCI images 🦋

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🎀 SYNOPSIS 🎀

krunvm [GLOBAL_OPTIONS] command

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💅 DESCRIPTION 💅

So krunvm is a CLI utility that creates, manages and starts microVMs, and those microVMs get generated from OCI images. The whole vibe is that it feels like you're just operating on regular ol' conventional containers, except surprise, it's a microVM, main character energy fr fr.

Under the hood (iykyk), krunvm uses buildah(1) to download the OCI image and mount it into a local directory, and then libkrun launches the microVM. Two besties, one job. 🫶

That local directory where the OCI image got mounted? That's literally the root filesystem for the microVM, serviced by a virtio-fs device/server that's bundled into libkrun. Slay.

krunvm also supports mounting additional local directories into the microVM, and exposing ports from the guest to the host (and to the networks connected to it). Very giving. 🔥

And the networking to the guest running in the microVM? That's provided by libkrun's TSI (Transparent Socket Impersonation), which enables a seamless experience that doesn't require network bridges nor any other explicit network configuration. No bridges, no drama, no cap. ✨

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⭐ GLOBAL OPTIONS ⭐

• -v NUM — Sets the verbosity level, from the lowest (0) to the highest (5). Turn it up if you want the tea, turn it down if you want peace. 🌈

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👑 COMMANDS 👑

• krunvm-changevm(1) — Change the configuration of a microVM
• krunvm-config(1) — Configure global values
• krunvm-create(1) — Create a new microVM
• krunvm-delete(1) — Delete an existing microVM
• krunvm-list(1) — List the existing microVMs
• krunvm-start(1) — Start an existing microVM

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🌸 SEE ALSO 🌸

• buildah(1)

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and that's the whole page bestie, you ate that. periodt. 💜

this was the KRUNVM(1) manual page, dated 2025-07-25 — go forth and microVM responsibly 🎀✨