update void basics
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---
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title: "Void Linux Basics"
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tags: [ "Documentation", "distros" ]
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tags: [ "Documentation", "distros", "Void" ]
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---
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# Updates
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Update all packages with
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> sudo xbps-install -Su
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See [xbps](xbps.md) for more.
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# Remove old packages
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Void keeps *every* version of everything you install, so you can roll back to them.
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Remove old packages with:
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> sudo xbps-remove -O
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# vkpurge
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@ -17,8 +31,14 @@ Remove all but the latest with:
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> vkpurge rm all
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# Brightness
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/sys/class/backlight/*/brightness
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Look in `/sys/class/backlight/*/brightness`.
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You can change this number to change the screen brightness.
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For an easy utility, install `brightnessctl`.
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> brightnessctl s 10%-
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> brightnessctl s 10%+
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