THE HITCHHIKER'S GUIDE
1) Use Vivecraft or Optifine, and enable the server resource pack.
2) Follow Wheaton's Law.
3) No nazis.
4) There is no rule 4.
5) He who pays the hosting bill is always right.
You can't harvest most blocks with your bare hands, and some recipes have changed from what you may be used to.
Use the green crafting book on your inventory screen for crafting.
Flint drops from gravel at an increased rate. Sticks drop from leaves, or can be crafted from saplings.
/lca recipe <type>