You can run xwininfo after a boot by doing the following: 1. Switch to a text terminal (alt-ctrl-F1) 2. Log in 3. Run $ export DISPLAY=:0 $ export XAUTHORITY=/var/run/lightdm/root/:0 $ xwininfo -tree -root
You can run xwininfo after a boot by doing the following: /var/run/ lightdm/ root/:0
1. Switch to a text terminal (alt-ctrl-F1)
2. Log in
3. Run
$ export DISPLAY=:0
$ export XAUTHORITY=
$ xwininfo -tree -root