hail dpigs

"dpigs" is a shell script for apt-based Linux distributions. It produces a list of the software packages which consume the most disk space. I've upgraded my installation in-place, time and time again. Hence my root partition (/) has been running out of room, especially after long uptime. Hacking away at the usual culprits was effective but still insufficient. After removing some of the unneeded yet greedy packages that showed up in dpigs, the problem is gone.

In any case, if you're in a similar situation, my first suggestion is linux-image*. Any desktop kernel version that you haven't booted in the last six months is probably not worth keeping....