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To get an encrypted home directory under Debian Linux, only a few steps are necessary. The performance hit for the encryption is, at least for current processors and normal (i.e. slow compared to all other PC components) harddisks, negligible.

Here is another small thing to make working with Linux more convenient: auto-mounting of hotplug-able devices. This is again specific to Debian GNU/Linux, but might be applicable to other distributions with only slight changes.

Imagine the following setting: there is some (possibly 802.11a/b/g wireless) network, which can range from a single access point to a complete backbone network of access points working together via WDS, or even a wired network infrastructure.

I, as many others, have been bitten by Cyrus’ strictness when it comes to RFC-compliant email headers. Although it cost me about a full day, I still appreciate that Cyrus interpretes the RFC strictly and thus forces email to be syntactically correct.

USB sticks are really useful. Not only for transferring files between computers, but also also rescue media, or more generally, to boot from. However, making a USB stick bootable can turn out to be tricky.

I’ve documented my current selection of smart phones and their respective features, advantages, and disadvantages elsewhere. The Nokia N900 does many things right (in my point of view), but is missing one crucial component by default: SyncML synchronization to HTTP servers.

This is just a quick page describing what works on my notebook under Linux and (sometimes) how I got it working :-) It is no longer up-to-date, but might still be of use to somebody.

Howto use Debian GNU/Linux on a Thinkpad T42p Many of the hints on this page have actually been collected from similar pages scattered over the web; the Thinkpad series of notebooks already has strong support for running Linux on them and a wealth of information is available.

Using the SpeedTouch 330 ADSL USB modem with kernel 2.4 The SpeedTouch 330 USB ADSL modem is becoming quite popular, because a lot of ISPs now give it to customers for free.

Introduction For an upcoming research project, I needed to get data streams from simple 2-axis accelerometers. There are usually two types of accelerometers: one type with analog outputs that need an ADC (analog-digitial converter) to sample, and another type with pulse-width modulation outputs.