First step is to buy a volleyball and start working on some basic drills to strengthen your skill. Click on the image above to link to some YouTube videos that will instruct you what you can do at home NOW. 

Take this time to get back into shape. Start with some cardio and agility. Click on the image above to view the playlist on YouTube. 

Your mind is a muscle and needs training just as bad as your body. If you can control your mind/ will power, no goal will be unreachable. Click on the image above to see how you can stretch your mind.