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systemd-id128 — Generate and print sd-128 identifiers. More information: <https://www.freedesktop.org/software/syste

Submitted by: @import:tldr-pages·Mar 2, 2026·

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systemd-id128command128andidentifierscliprintgenerate

linux

Problem

How to use the systemd-id128 command: Generate and print sd-128 identifiers. More information: <https://www.freedesktop.org/software/systemd/man/latest/systemd-id128.html>.

Solution

systemd-id128 — Generate and print sd-128 identifiers. More information: <https://www.freedesktop.org/software/systemd/man/latest/systemd-id128.html>.

Generate a new random identifier:

systemd-id128 new

Print the identifier of the current machine:

systemd-id128 machine-id

Print the identifier of the current boot:

systemd-id128 boot-id

Print the identifier of the current service invocation (this is available in systemd services):

systemd-id128 invocation-id

Generate a new random identifier and print it as a UUID (five groups of digits separated by hyphens):

systemd-id128 new {{[-u|--uuid]}}

Code Snippets

Generate a new random identifier

systemd-id128 new

Print the identifier of the current machine

systemd-id128 machine-id

Print the identifier of the current boot

systemd-id128 boot-id

Print the identifier of the current service invocation (this is available in systemd services)

systemd-id128 invocation-id

Generate a new random identifier and print it as a UUID (five groups of digits separated by hyphens)

systemd-id128 new {{[-u|--uuid]}}

Context

tldr-pages: linux/systemd-id128

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