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tldr/pages/linux/systemd-hwdb.md

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systemd-hwdb

Hardware database management tool. More information: https://www.freedesktop.org/software/systemd/man/systemd-hwdb.html.

  • Update the binary hardware database in /etc/udev:

systemd-hwdb update

  • Query the hardware database and print the result for a specific modalias:

systemd-hwdb query {{modalias}}

  • Update the binary hardware database, returning a non-zero exit value on any parsing error:

systemd-hwdb {{[-s|--strict]}} update

  • Update the binary hardware database in /usr/lib/udev:

systemd-hwdb --usr update

  • Update the binary hardware database in the specified root path:

systemd-hwdb {{[-r|--root]}} {{path/to/root}} update