[xachen]

Might I make one suggestion:

Make sure your SSH port is below 1024 (but still not 22). Reason being if your Linode is ever compromised a bad user may be able to crash sshd and run their own rogue sshd as a non root user since your original port is configured >1024.

[angryasian]

thanks for this tip I never realized this. More in the link if interested

http://unix.stackexchange.com/questions/16564/why-are-the-fi...

[feross]

This is an excellent suggestion. Thanks!