i am free for 6 months , i want to learn more about kali linux application /howtouse , parrot os , i saw hundreds of tutorials on youtube about hacking (wifi,websites,backdoors) they all are just time wasting videos, i want to learn real thing from scratch, is there any website / blog / forum etc you know where i can start from? which you recommend ? well i am not interested in evil HACKING stuff , just want to enter in this whole amazing world :D