<?xml version="1.0"?> <!DOCTYPE fontconfig SYSTEM "fonts.dtd"> <fontconfig> <alias> <family>serif</family> <prefer> <family>Liberation Serif</family> </prefer> </alias> <alias> <family>sans-serif</family> <prefer> <family>Liberation Sans</family> </prefer> </alias> <alias> <family>sans</family> <prefer> <family>Liberation Sans</family> </prefer> </alias> <alias> <family>monospace</family> <prefer> <family>Liberation Mono</family> </prefer> </alias> <alias> <family>mono</family> <prefer> <family>Liberation Mono</family> </prefer> </alias> </fontconfig>
8. Finally rebuild fontconfig cache and reboot your computer to apply the settings.