You will need:
1 Raspberry Pi connected to your router
(Monitor and keyboard.)
If you are looking for a guide to access your Raspberry Pi from the internet look here:
Step 1: Enable ssh on Raspberry Pi
Login with the following information when prompted:
Type the following command:
in the terminal, then navigate to ssh, hit Enter and select Enable or disable ssh server.
After Pi is restarted check ip-address with the command
Note the inet addr!
It is a good idea to change password. This is done with the command:
Remember the new password!
After this step you'll not need to use monitor and keyboard to run commands on your Raspberry any more. See next step!