What is the proper way to force carbonate a keg of homebrew?

Dear Mr. Wizard, I used my keg system for the first time recently and force carbonated my brew by chilling the beer, applying approximately 30 pounds of carbon dioxide pressure and shaking

Dear Mr. Wizard, I used my keg system for the first time recently and force carbonated my brew by chilling the beer, applying approximately 30 pounds of carbon dioxide pressure and shaking