Just got Ubuntu a couple of days ago because I wanted to try something new. I'm fond of gaming but I am also recently into programming. Sometimes I have a charger and sometimes I don't. Other than brightness is there any way I could change such settings?
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Yes. If you want something that is fairly straightforward, you can use TLP, which is a command-line power management tool developed by the folks at linrunner (see docs here).
Otherwise, check out the Ubuntu Wiki on the subject, it is fairly comprehensive and has some useful tweaks:
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