Thinking Understanding Doing

March 31, 2007

Sunset before Rita

Filed under: photography, snaps — vivekian2 @ 7:10 pm

These two low resolution snaps from a cellphone don’t reflect very well the beautiful sunsets followed by the haunting cloudy sky Houston witnessed just before Hurricane Rita hit Texas and Louisiana. Although it never did cause much damage to Houston, the prediction that it was headed right towards the city caused the world’s biggest traffic jam.

Sunset Before Rita

Just Before Rita

March 30, 2007

Designing network protocols

Filed under: networks — vivekian2 @ 4:01 am

This wonderful and witty lecture by Radia Perlman looks into how routing layer protocols were designed, their shortcomings and their solutions. You will need IE to view this.

Lecture

March 29, 2007

Seaside at Galveston

Filed under: galveston, gimp, photography, snaps — vivekian2 @ 11:24 am

This was a snap taken at the Galveston coast just before a lunar eclipse night. The colors are a bit more fiery with the help of Gimp.

Seaside at Galveston

March 28, 2007

Building your own package for OpenWRT

Filed under: linux, openwrt, wireless — vivekian2 @ 9:32 pm

OpenWRT is a robust and flexible Linux distribution meant for wireless embedded devices. One of the reasons why OpenWRT has become widely popular is that it has a package management system which allows the user to add packages as per the requirements. If someone is into wireless / mesh network research OpenWRT is invaluable. An important part of it could be to create an OpenWRT package out of your own source code. Something worth understanding here is that there are two makefiles which are referred here — the “normal” makefile which is part of your source code and a “special” makefile which is used by the package management system and the buildroot.

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