Posts

Find Invisible Users In Gmail

Finding who is invisible is something that I always wanted to do.It’s always fun to ping a person who feels none can see him/her online. While studying XMPP protocol I found out that even when the person is offline the chat client knows that person is onli …

Ontology Linked Data

The following is a Assignment on Ontology and Linked Data and the evolution of data which lead to the use of ontology in web. Thanks to my teammates Bharath Gowda and Sravani Thota for working on the same. Ontology And Linked Data An ontology formally r …

Enable Multiple Login in Same Account in Gmail

Gmail recently started merging its App accounts to Gmail. Hence you wont be able to login into both the accounts in the same browser now. Here is a way on which you can still do it. This can be done for people who have multiple gmail accounts and want to b …

Pass cookie from script to firefox

I had a requirement to get firefox to open a logged in page in firefox. I used it for automated opening of some logged in pages. But there is another use for it. It can be used for opening mail or any other site that needs to be logged in. The only issue,  …

Important MySQL DBA Interview Questions

Here are a few sets of interview questions expected for MySQL DBA position.These are compilation of the usual questions from various DBA texts: What is Log Switch? – The point at which ORACLE ends writing to one online redo log file and begins writing to …

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:




#!/bin/bash
folder="/home/rsr …

Web page Performance for a Blog – Part 1

I have always under the notion that page performance for big websites or websites that have a sole server and various resources like CDN and load balancers. So I wanted to know if this is true. I set out to try web page performance my blog. I just wanted t …

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





#include " …

Auto Backup using Dropbox in Linux/Mac

I had some folders on my disk which I wanted to keep a copy online as a backup and for viewing from other places. Its not always possible to save all the essentials in the drop box folder itself to be auto backed up. Thus I wrote a very small script which  …

Adding RedHat DVD as Repository

When we try out a new linux OS its always a pain to download and install all the software and  add packages we needs on that. Its even worse if you don’t have an unlimited connection. But actually most of the software we need is already there in the CD/DV …