commandlinefu.com is the place to record those command-line gems that you return to again and again.
Delete that bloated snippets file you've been using and share your personal repository with the world. That way others can gain from your CLI wisdom and you from theirs too. All commands can be commented on, discussed and voted up or down.
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Every new command is wrapped in a tweet and posted to Twitter. Following the stream is a great way of staying abreast of the latest commands. For the more discerning, there are Twitter accounts for commands that get a minimum of 3 and 10 votes - that way only the great commands get tweeted.
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Wow, didn't really expect you to read this far down. The latest iteration of the site is in open beta. It's a gentle open beta-- not in prime-time just yet. It's being hosted over at UpGuard (link) and you are more than welcome to give it a shot. Couple things:
xrandr --output <outputname> --brightness <value>
If the driver of your graphics card supports it, then you can use xrandr.
The following command lists the current configuration:
xrandr --current --verbose
If you want to change the configuration of an output, then you need the name of the output. This name is part of the output of xrandr --current, for example LVDS1.
The brightness can be changed like this:
xrandr --output <outputname> --brightness 0.8
xrandr --output <outputname> --gamma 0.5:1.0:1.0
There is 1 alternative - vote for the best!
If you can do better, submit your command here.
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