Practice is all you need!
Some pages to learn the skillzz
Test environemnts/Challenges etc.
netsim
hacking-lab
pentestit.ru
alf.nu
root-me
Fun Tools
SpookFlare
Burp
lscript
awesome-fuzzing
bettercap
Fun
Schell Code Explained
Ascii to Hex
Multisolver
Multidecoder