Level Sytem on DarkRp Server Glitches/Hacks

Hey!
Anyone know a glitch or hack for the exp system on some darkrp server?
Its the one with the little bar at the top picture and the level in the bottom left above your health bar:

If anyone knows about a glitch or exploit for this please pm me or post on here!
Cheers!

if you delete gmod folder and replace with rare muslim pornography it sets your level to 99 firemaking

dude just load up cheatengine and change it there!