Great set of tips for getting Pianobar all tricked out.

CLI RSS feed reader. Neat.

IPTraf is a console-based network statistics utility for Linux. It gathers a variety of figures such as TCP connection packet and byte counts, interface statistics and activity indicators, TCP/UDP traffic breakdowns, and LAN station packet and byte counts.

mtr combines the functionality of the 'traceroute' and 'ping' programs in a single network diagnostic tool.

Dialog is a utility to create nice user interfaces to shell scripts, or other scripting languages, such as perl. It is non-graphical (it uses curses) so it can be run in the console or an xterm. There are also graphical Xwindows versions mentioned below.

Disk space browsing on the command line.

pv - Pipe Viewer - is a terminal-based tool for monitoring the progress of data through a pipeline. It can be inserted into any normal pipeline between two processes to give a visual indication of how quickly data is passing through, how long it has taken, how near to completion it is, and an estimate of how long it will be until completion.

Ugh.

I've started migrating all my non-confidential files off to dropbox. Following this set of instructions they are now all available on unsure.org