The zeitkraut server is configured to work with IPv6. For quite some time now, I’ve been seeing some strange errors in my log files. If you’ve been noticing something similar, here is what’s going on and how to prevent the messages from appearing. The Problem Everything works as expected, except for some weird messages in the logs: rt6_redirect: source isn't a valid nexthop for redirect target Not even startpage was of much help.

Having a good working environment is vital for feeling comfortable being productive. This extends to computational tools and the command shell is an integral part of the daily work for many of us. It’s a good idea to configure the shell’s interface to be efficient and pleasant to use.

Having a good working environment is vital for feeling comfortable being productive. This extends to computational tools and the command shell is an integral part of the daily work for many of us. It’s a good idea to configure the shell’s interface to be efficient and pleasant to use.

One of the many great things about free and open source software and the whole GNU/Linux ecosystem are the simple yet powerful tools available. The possibilities enabled by almost trivial programs are incredible. A very positive side effect this has on me is that I like to go and explore technologies with the tools at my disposal.

A couple of friends and I just discussed the idea of Russian Process Roulette: Everybody starts a little program which kills processes at random. The winner is the one whose computer remains usable the longest. Is this crazy? Yes. Immature? Sure. Fun? Definitely. Adviced against to actually play unless the consequences are fully understood? That too. Playing the game is as simple as starting a command like the following: while sleep 600;

A couple of friends and I just discussed the idea of Russian Process Roulette: Everybody starts a little program which kills processes at random. The winner is the one whose computer remains usable the longest. Is this crazy? Yes. Immature? Sure. Fun? Definitely. Adviced against to actually play unless the consequences are fully understood? That too. Playing the game is as simple as starting a command like the following: while sleep 600;

Spam just doesn’t die. Every major mail provider has really good spam filters in place, as do the common mail clients. Nontheless, there seem to be enough people reading – and acting on – spam mail to make it a profitable business. No matter how much we hate it, we need to deal with spam. Better than having a good spam filter is not to be spammed in the first place.