Man page - blight(1)

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Package: blight
apt-get install blight

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blight - Hassle-free CLI backlight utility for Linux

blight [ options ] command [ value ]

This manual page documents the blight program.

blight is a hassle-free CLI utility to manage backlight on Linux; one that plays well with hybrid GPU configuration and proprietary drivers.

-s, --sweep

Lets you increase brightness gradually, resulting in a smooth change. Can only be used with the inc and dec commands.

-d, --device <name>

Lets you specify a backlight device target other than the default one. Can only be used with the inc, dec, set, save and status commands.

inc <value> [-s | --sweep] [-d | --device <name>]

Increase brightness by the given value.

dec <value> [-s | --sweep] [-d | --device <name>]

Decrease brightness by the given value.

set <value> [-d | --device <name>]

Set brightness to the given value.

save [-d | --device <name>]

Save current brightness value to restore later.

restore

Restore saved brightness value.

setup

Install udev rules and add user to video group (run with sudo).

status [-d | --device <name>]

Show backlight device status.

	list		List all backlight devices.
	help		Display help.