Lubuntu: Settings – mouse cursor size, brightness…

Display resolution

echo “Xft.dpi: 280” > ~/.Xresources

Mouse cursor


Set the following environment variable in session settings.


Before 20.04

Taken from here.

In the .config/lxsession/Lubuntu/desktop.conf change the following line:


Brightness shortcuts


Preferences > LXQt settings > Shortcut Keys

Before 20.04


Size of menus and tool bars

Taken from here.

(1) In a new tab, type or paste about:config in the address bar and press Return. Click the button accepting the risk.
(2) In the filter box, type or paste devp and pause while the list is filtered — there should only be one preference left.
(3) The layout.css.devPixelsPerPx normally has -1.0 which follows the Windows Text Size setting.
Double-click to open a small dialog where you can type a new value.

System font scale

Taken from here.

  • open new tab
  • enter “about:config” in the address field
  • search for the option “font.size.systemFontScale” (using the search)
  • change the value from 100 to something lower, e.g. 80

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