League of Legends (LoL) Question: Jungling

It really depends on what champion you're playing. A really general route is to start at the buff nearest your bot lane (so red buff for blue side, or blue buff for red side), get a leash from your bot laners (they hit the buff to help you clear it), then do wolves and then your other buff. You'll get level 3 with double buffs with this route and basically any jungler can do it. You can do different routes depending on what champion you're playing, but that's a good starting one, especially if you want to be ganking early.

You should gank when enemies are vulnerable (overextended, no wards, Flash is on cooldown) and/or when your allies are strong and can follow you up or enable you. Some champions like Elise and Rammus can gank early and often, while others like Nocturne and Master Yi need to spend more time farming early. Again, kind of a champion specific thing, but you'll get the hang of how much you should be ganking vs farming as you play more. A good rule of thumb is to try not to gank enemies that are more than 1 level higher than you, especially if you don't have your ultimate yet. If you're level 5 and you gank someone who's level 7, you're probably in for a bad time.

If you want to learn to jungle, pick a simple jungler with a decent clear and good ganks like Rammus or Warwick, then play them a bunch until you get a feel for the flow of the early game. Watching better players play these champions (in YouTube videos or streams) can also be helpful if you're not sure what to do.

Early on choose your camps based on your champion's abilities, some have better single target clears and so are good against buffs and gromp whereas others have area of affect and so can do chickens and wolves more easily. If your clears are slow and you get low on health then you can upgrade your jungle item, and get hunter's potion or Tiamat to help. Be aware of vision and where the enemy jungler is so that you can counter gank and counter jungle so get use to putting down wards and stomping enemy vision (duskblade is good for this if you are playing assassin jungle). Lastly, before the start of the game look at your team composition and the lane match ups, some champions are easy to gank or gank for. For example, it is easy to gank for malzahar post 6 due to his ult or for leona/alistar but it is hard to gank for janna/karthus or against tahm kench/fizz etc.

If you want to gank early, you might want to try champs who can pin down the enemy laners after level 3, an example would be Jax for a starting champ.