If you want to use this tool outside of the SDK installation directory
you have to set SDKDIR environment variable.

How to get root permission:

sudo -A /bin/askpass-tool

Sudo will ask when starting scripts

sudo -E ./b2qt-flashing-wizard

-E is needed to keep the X vars

Variables needed:

#!/bin/bash
export HOME=/home/rkeller
export XDG_SESSION_COOKIE=0dbc1b47e88f5cfa62c5818b00000237-1381472004.761811-1314725543
./b2qt-flashing-wizard

GUI stuff:

kdesu
gsu