I'm running Ubuntu 20.04 on Dell XPS 9350 "13.3 with 3200x1800 resolution. When I start rxvt-unicode it's so scaled out that it's not possible to read anything. I've solved that in other apps by setting QT_AUTO_SCREEN_SCALE_FACTOR=1, but I guess rxvt-unicode doesn't use QT. I've tried with adding the following to ~/.Xresources but without any effect.

Xft.dpi: 276

I've no clue how to get further. What widget framework (like QT) are rxvt-unicode using?

1 Answer 1


rxvt-unicode runs on top of libX11, it doesn't use any high-level UI library like GTK, Qt, fltk, etc.

To deal with this issue, install the terminus font and set it in ~/.Xdefaults:

URxvt.font: xft:Terminus:pixelsize=32:antialias=false
URxvt.depth: 32

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