Update cheatsheets

linux/systemd-machine-id-setup

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+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# systemd-machine-id-setup
+
+> Initialize the machine ID stored in `/etc/machine-id` at install time with a provisioned or randomly generated ID.
+> Note: Always use `sudo` to execute these commands as they require elevated privileges.
+> More information: <https://www.freedesktop.org/software/systemd/man/systemd-machine-id-setup.html>.
+
+- Print the generated or committed machine ID:
+
+`systemd-machine-id-setup --print`
+
+- Specify an image policy:
+
+`systemd-machine-id-setup --image-policy={{your_policy}}`
+
+- Display the output as JSON:
+
+`sudo systemd-machine-id-setup --json=pretty`
+
+- Operate on a disk image instead of a directory tree:
+
+`systemd-machine-id-setup --image={{/path/to/image}}`