Nice features to put on headless linux box

 

Unattended-upgrades:

Automatically download and install stable updates.

Install using:
sudo apt-get install unattended-upgrades
Configure using:

sudo dpkg-reconfigure -plow unattended-upgrades

Source:
http://raspberrypi.stackexchange.com/questions/4698/how-can-i-keep-my-raspbian-wheezy-up-to-date
https://help.ubuntu.com/community/AutomaticSecurityUpdates


Fail2ban:

http://www.fail2ban.org/wiki/index.php/Main_Page
https://en.wikipedia.org/wiki/Fail2ban





Imapgrab:

To automatically backup email:


http://www.linux-magazine.com/Online/Blogs/Productivity-Sauce/Back-up-Email-with-a-Single-Command
https://sourceforge.net/projects/imapgrab/