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User Level Threads
User level threads is created for light weight threads. It needs to be controlled, context switched and swapped by the process. To the Operating System it is only one process without any threads. Here is one implementation of it: q.h [c] #includ …
Service Engineer/System Administrator Interview Questions
This is not my code alone. It was the group effort of Vivek Ram, Cijo George, Sandeep Unni and mine during our epic preparation for Yahoo!. I am just putting it open for others who would be looking for this information. Convert all lower case to up …
Installing Django on Dreamhost
Installing Django in Dreamhost and getting it to run wasn’t straight forward at-least to me. There was lot of issues such as python bin directory not accessible as its shared and so. So the initial step in this to setup python yourself so that you can …
Get the nth Word from a text field in mysql
I had a requirement to get the nth word out of a string and sort or order by the same. This is used when the text is stored in a purticular format and you would want to order it according to that or group it or so on. So how is it done? We do it us …
Automatic Command Archive
The default command storing size of ubuntu is 500 commands. It stores the commands in home folder in the file “.bash_history” . The problem is 500 commands is too short of a size. One method is to increase the command size to a large value by changing th …
BSNL Dataone Auto Downloader
Bsnl(India) provides an account that has 2am to 8am unlimited download. It was not easy to wake up at 2am and switch on the computer and sleep again. So I tried to find a method to switch on the computer automatically at 2am and download and shutdown at 8a …
Display Reminders In Gnome Panel
It was a long standing requirement of mine to create a reminder software or something which can keep me reminding of things as I always keep forgetting things. So I made a reminder that displays my reminders on the Gnome Panel. It looks something like thi …
Automatic Desktop Wallpaper Changer for Linux
I have a lot of wallpaper that I wanted to switch automatically. After a lot of search i found that there a command way to control all the gnome settings. So I the command I used is “gconftool-2″. So code is like: [bash] #!/bin/bash folder="/h …
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