Step 1: Learn the Basics
Get familiar with the SSH client and server software, and practice your command line fu.
Step 2: Crack Open-Source Passwords
Use your newfound knowledge to crack open-source passwords and become the master of the server.
Step 3: Set up a VPN to Hide Your Tracks
Use a VPN to make it seem like you're not a hacker, but actually are.
Step 4: Steal Someone's Identity (Not Recommended)
Impersonate someone and wreak havoc on their online presence. Not that we recommend it, but...
And that's it! With these basic steps, you'll be well on your way to becoming a master hacker. (Don't do that, though.)
Or, if you'd rather not hack, you could always Learn more about SSH Hacking.
About this Site (Don't Ask Questions)
Disclaimer: Don't actually do this. Seriously, don't.