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Archive for category Howto

A howto how not to do academic presentations

Posted by on Thursday, 22 November, 2012

In order to publish your scientific work through conference proceedings, it is mandatory you present your work to an audience of peers at the conference. To some, presenting comes more natural than to others. There are many howtos and excellent books out there how to prepare and execute your presentation, but here I’ll list a few ways how NOT to present.

The purpose of this article is two-fold: make sure you give better presentations, and protect your audience against poor presentations.

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Saving power by disabling sound chip on Linux

Posted by on Monday, 10 September, 2012

For years I have been running Linux servers. Some time ago I built a NAS box running Ubuntu Server. I’ve done quite some tweaks to reduce power consumption. But there must be more. Or less, so to speak.
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spaces in MiXiM makemakefiles

Posted by on Friday, 20 July, 2012

MiXiM uses a ‘makemakefiles’ script, which makes the Makefiles by means of the following command:

make -f makemakefiles

However, after some modifications (adding own stuff) it stopped making new Makefile files. From visual inspection, nothing is wrong with the file. However, there’s a subtle thing you may want to check: the TAB in front of each line. DO NOT make the mistake of adding a few spaces, this is not just there to prettify things, opp_makemake apparently delimits on this TAB and gets severely upset from spaces there.

Removing any spaces and adding a TAB fixes the problem.

Clustercomputing with mpirun and torque

Posted by on Wednesday, 18 July, 2012

Some time ago I wrote about Clustercomputing with Torque, with a focus on discrete event simulations (using the method of independent replications). Turns out that method was not really efficient, so we try something else. Read the rest of this entry »

Een regenton op je balkon

Posted by on Sunday, 24 June, 2012

De regenton is een bekend fenomeen bij veel woonhuizen. Maar ook op een balkon in een appartementencomplex kan een regenton toegepast worden! Read the rest of this entry »