snippetbashTip

blight — Utility for changing the display brightness. More information: <https://github.com/gutjuri/blight#us

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

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thecommandblightchangingcliforutilitydisplay

linux

Problem

How to use the blight command: Utility for changing the display brightness. More information: <https://github.com/gutjuri/blight#usage>.

Solution

blight — Utility for changing the display brightness. More information: <https://github.com/gutjuri/blight#usage>.

Set display brightness to 50%:

blight set {{50}} {{[-r|--relative]}}

Show current display brightness:

blight show

Print maximum display brightness:

blight max

Increase display brightness in %:

blight inc {{number}} {{[-r|--relative]}}

Decrease display brightness with internal units:

blight dec {{number}}

Code Snippets

Set display brightness to 50%

blight set {{50}} {{[-r|--relative]}}

Show current display brightness

blight show

Print maximum display brightness

blight max

Increase display brightness in %

blight inc {{number}} {{[-r|--relative]}}

Decrease display brightness with internal units

blight dec {{number}}

Context

tldr-pages: linux/blight

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