sparklines in your terminal window. Simply give it a comma or space-separated list of data values, and it'll generate an ANSI-graphics sparkline chart. Brilliant! (via mjd)

'Tcprstat is a free, open-source TCP analysis tool that watches network traffic and computes the delay between requests and responses. From this it derives response-time statistics and prints them out.' Computes percentiles, too

'When amount of sockets is enough large, netstat or even plain cat /proc/net/tcp/ cause nothing but pains and curses. In linux-2.4 the desease [sic] became worse: even if amount of sockets is small reading /proc/net/tcp/ is slow enough. This utility presents a new approach, which is supposed to scale well.' via scanlan

these are great - some new ones on me!

'A set of programs for creating, manipulating, and outputing a stream of Records, or hashes. Inspired by Monad.' looks very powerful

interesting idea; extend "cd" to track which directories you cd to most frequently, then add a command to "jump" to the most-frequently used one which matches a substring you specify

not quite up to par with modern Ubuntu, but still a few interesting ones here for when I'm stuck using the missus' laptop ;)

'a growing collection of the Unix tools that nobody thought to write long ago, when Unix was young.' these are really, really nifty (via popey)

from Padraig Brady. lots of nice one-liners I wasn't familiar with

worth it for #10: 'Capture video of a linux desktop': '$ ffmpeg -f x11grab -s wxga -r 25 -i :0.0 -sameq /tmp/out.mpg'