1. Create the controller key

Create the key that signs every command to your boxes.

How you got here: Desktop app

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Install 1

Desktop app
Download the desktop app for your OS and open it.
The macOS zip holds Jumpgate.app and Jumpgate Terminal.app; Windows has jumpgate-tray.exe and jumpgate.exe; Linux has install.sh. Every download carries both Linux agents.
Show image
Illustration from the jumpgate.app demo, with made-up boxes; not a screenshot of the app.

jumpgate keys init

Pick where the key lives with --store:

keychain: the macOS Keychain, the macOS default; or on Linux, a Secret Service that answers (secret-tool).
wincred: Windows Credential Manager, the Windows default.
file: an owner-only file. The default on Linux when no Secret Service answers, as on headless boxes and most SSH logins.
1password: with --ref op://vault/item/field.