systemd-hwdb - Man Page

• Update the binary hardware database in /etc/udev: sudo 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: sudo systemd-hwdb [-s|--strict] update
• Update the binary hardware database in /usr/lib/udev: sudo systemd-hwdb --usr update
• Update the binary hardware database in the specified root path: systemd-hwdb [-r|--root] path/to/root update

tldr.sh

systemd-hwdb [options] update

systemd-hwdb [options] query modalias

systemd-hwdb expects a command and command specific arguments​. It manages the binary hardware database​.

--usr

Generate in /usr/lib/udev instead of /etc/udev​.

Added in version 219​.

-r,  --root=PATH

Alternate root path in the filesystem​.

Added in version 219​.

-s,  --strict

When updating, return non-zero exit value on any parsing error​.

Added in version 239​.

-h,  --help

Print a short help text and exit​.

systemd(1) hwdb(7)

gmobile.udev(5), hwdb(7), sd-hwdb(3), sd_hwdb_get(3), sd_hwdb_new(3), systemd.directives(7), systemd.index(7).