Hi I have been working on this following website :http://colesec.inventedtheinternet.com/hacking-x11/ to secretly capture the Desktop screenshot of Pi. When I type: xwd -root -screen -silent -display 192.168.1.5:0 > screenshot.xwd It shows me an error with Invalid mit-magic-cookie-1 keywd: unable to...

:) Hi I have been trying to hack my pi through X server vulnerability which I found by vulnerability scanner, and the following website is the one I found in google about X11 hacking: http://colesec.inventedtheinternet.com/hacking-x11/ However, when I type xwd -root -screen -silent -display 192.168....