apptainer(1)

💅 apptainer(1) — the apptainer-key-export glow-up 🎀

okay so bestie, welcome to the apptainer manual page — and specifically the apptainer-key-export one, which is a sub-command situation, iykyk. this whole thing lives in the apptainer(1) manual and honestly? it's giving "small command, big keys energy" 🔑✨

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🌸 NAME 🌸

apptainer-key-export — the command that yeets a public or private key out into a file of your choosing, no cap 🫶

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✨ SYNOPSIS ✨

apptainer key export [export options...]

that's it. that's the whole vibe. apptainer key export plus whatever options you feel like adding 💅

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🦋 DESCRIPTION 🦋

so the 'key export' command is literally exactly what it sounds like, bestie — it lets you export a key and save it to a file. main character behavior fr fr. you got a key, you want it in a file, boom, this is the command 🌈

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💖 OPTIONS 💖

okay here's the full menu, no skipping, we're not doing that here 👑

• -a, --armor[=false] — ascii armored format ✨ (yes, like armor, for your key, iconic)
• -g, --global[=false] — manage global public keys. heads up though: import/pull/remove are restricted to root user or unprivileged installation only 👀
• -h, --help[=false] — help for export. the classic. the icon. use it when you're lost 🫶
• -d, --keysdir="/builddir/.apptainer/keys" — set the local keyring dir path. alternative way to do the same thing? set the environment variable 'APPTAINER_KEYSDIR' 💜
• -s, --secret[=false] — export a secret key 🙈 (secret key! be careful with that one!)

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🎀 EXAMPLE 🎀

here's the receipts, bestie 💅

Exporting a private key:

$ apptainer key export --secret ./private.asc

Exporting a public key:

$ apptainer key export ./public.asc

see? --secret for the private one, no flag for the public one. slay 🦋

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🔥 SEE ALSO 🔥

• apptainer-key(1) — go read that one too, it's the whole key family vibe 👑

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⭐ HISTORY ⭐

22-Oct-2026 — Auto generated by spf13/cobra. (not me being auto-generated 😭)

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ngl the most important deets: the default --keysdir is /builddir/.apptainer/keys, the env var alternative is 'APPTAINER_KEYSDIR', and --global import/pull/remove is restricted to root user or unprivileged installation only. write those down bestie 📝

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and that's the page!! auto generated by spf13/cobra, dated Oct 2026, sitting pretty in apptainer(1) — drink water, back up your keys, and go export something gorgeous 💖🎀🦋💅✨