So I think your next/last step will be to open X security to that display for the non-root user you tried. The command is xhost, but it's possible you may need to install it.
On Tue, Jun 18, 2019, 5:49 PM Bob Bernstein <poo...@ruptured-duck.com> wrote: > I put this into google: "systemd X windows Debian" and was > brought here: > > https://www.debian.org/doc/manuals/debian-reference/ch07.en.html > > I executed the suggested command: > > # dpkg-reconfigure --priority=low x11-common > > ...and then decided to throw all caution to the winds: > > # startx > > Saints Be Praised! I had a colorful image in front of me, and my > icewm had been neatly launched. No mouse problem. OMG! > > But it only works for root. > > :( > > We're almost there kids. Please bear with me, as I know I have > been testing the patience of some of you. > > Thank you > > -- > Poobah > >