Apple's Back To My Mac service can be used to establish more than Screen and File Sharing services.
If needed you can run SSH commands followed by immediately logging out of the remote system.
Apple's Remote Login feature in OS X can be used for securely transferring files using several protocols.
Apple's remote log-in and screen-sharing services are convenient troubleshooting options in OS X; however, simple oversights can prevent a connection from occurring.
The OS X Terminal supports tabs, but its default naming convention may be confusing at times.
If you regularly use "ssh" to establish many remote connections, you might benefit from creating a scripted menu for yourself that contains your server connections.
A worm has been discovered that currently seems to change the background wallpaper of jailbroken iphones as a proof-of-concept attack, but exposes a vulnerability in the iPhone.
Project to develop SSH client for iPhone
Getting SSH (and FTP) to work: a follow-up
New SSH Exploit Can Affect Mac OS X