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All your aliases are belong to you

I like setting up shortcuts to frequently used commands whether I used Windows or Linux. I use the terminal often and create shortcuts to frequently used commands using “alias” feature of BASH. This has saved me considerable time in the past. However, I recently felt that if I could have ...


XMonad: A Window Manager for “real” people :)

XMonad in Gnome I have been a happy Gnome user for many years now and only recently started thinking about switching to KDE 4.2 when Ubuntu 9.04 (Jaunty Jackalope) comes out. However, it so happened that I bought two new widescreen monitors and setup a dual-monitor environment. This is when I ...


Nose - TDD - Python

What, why

I’ve been reading up on TDD and it has struck me as particularly useful methodology to achieve “clean code that works”. TDD encourages writing unit tests to cover all the code (because by definition, you write a test before a line of code is written). Because all ...


Visualizing mpeg4 motion compensation vectors using mplayer

The MPEG4 video encoding process makes use of block motion compensation to achieve compression. The motion compensation process serves to produce the intra frames which are the frames between keyframes. I’ve always been fascinated by this process and was delighted to find out that my favorite video player, mplayer ...


Creating video thumbnails using ffmpeg

Generating thumbnails/screenshots of a video is useful in many ways. Youtube and many other video sites use this to show a preview of the video as a small thumbnail. Google video captures a series of thumbnails from a video at various time intervals to show a better video preview ...


Watching Television on Linux: setting up a TV Tuner card

A couple of weeks back, I went shopping looking for a TV tuner card that is compatible with Linux. Googling had told me that “Hauppauge” card was known to be compatible. However, I could not find it anywhere in the market (SP Road, Bangalore, India). On going to one of ...


Create PDF thumbnails using ImageMagick on Linux

imagemagick
logoI have a bunch of PDF files for which I wanted to generate thumbnails. On looking around a bit, I found “ImageMagick“. Since I have Ubuntu installed, I did

sudo apt-get install imagemagick

It is not too big ...


Building a low-cost bad-ass “server” machine

serverI have been playing around with Wikipedia data and tried doing some byte pushing on my Dreamhost web space. Since this is shared web space, the processing power and memory available are limited. I was able to create database tables in mysql by parsing the wiki xml dump and some ...


Making Ubuntu 7.10 (Gutsy) look slicker

It has been three weeks since I upgraded to Gutsy from the development repositories. Gutsy got released just a little more than a day back. While going through the news from the blogosphere about this event, I wished Ubuntu had released a “non-brown” desktop. I don’t like brown and ...


Ubuntu Gutsy Gibbon and Linux on the Desktop

I’ve been using Ubuntu Feisty and waiting to get Gutsy when the release comes out. However my curiosity got the better of me and I could not resist upgrading from the beta repositories. The first thing I noticed after upgrade was the amount of polish and attention to detail ...


Drawing on your Desktop

This is related to the previous post and is meant in part to demonstrate how great Linux is for doing “weird” stuff :). This is what we are trying to do.

desktop circle
graphics

The circles in the background have been ...


Matrix Desktop

Matrix Desktop
Animation

What you see above is how my desktop looks now. You need to be using gnome to get this working.

Nautilus draws the desktop (including the icons) for you in gnome by default. We have to tell ...

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