XFCE HiDPI fix `everything too small`

Mate Desktop can do that right out of the box and features better UI/UX. Spare yourself the pain of XFCE - we gave up an used the HiDPI ready Ubuntu Mate.

What you can achieve

XFCE: More or less fixed HiDPI problems

XFCE in general

  1. HiDPI theme: http://opendesktop.org/content/show.php/Pupi+%28Xfce+High+DPI+%2B+Retina+Theme%29?content=165525

Firefox

  1. about:config: layout.css.devPixelsPerPx
  2. Adjust default zoom level

Thunderbird

  1. about:config: layout.css.devPixelsPerPx

Ressources
- HiDPI: Xfce (wiki.archlinux.org)

X2Go bugfix `x2golistsessions: not found`

X2Go throws the following error while trying to establish a connection:

Connection failed sh: 1: x2golistsessions: not found

Solution:[src] You maybe just skipped installing the core software and only got the GUI:

sudo apt-get install x2goserver x2goserver-xsession