Category: Technology

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Instgram for Crowdsourcing Postbox Locations

Update: Its become an all India postbox data collection project. Now we use the tag #openpostboxindia. The source code is open sourced and can be used for any type of photo and location based data collection using Instagram and Twitter. I have been using instagram a lot. If you follow me on instagram...

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Securing your server using DenyHosts

Running an internet accessible server means you are opening yourself to crackers. Running the server in itself is a risk, so risk management is of top priority when you open up the ports for accessing the server. The standard ports are 80(http), 443(https) and mostly 22(for ssh). Port 22 is the most important...

Love Bangalore 3

Introducing Bangalore Open Data Repository

Update: Bangalore Open Data Repository has a new home. Its called OpenBangalore.org. Please bookmark it, I have been collecting data about Bangalore for years. The collected data includes GIS, election, weather reports etc and were from different sources. I have been meaning to distribute it online for a while now. Two big reasons...

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Securing your wordpress with self-signed SSL certificate

I have been wanting to do this for a long time now. At last thejeshgn.com is available through https. It’s mostly done for my own use than my readers. I wanted to protect the admin screen (basically wp-admin). Given that I use my own VPN on public wifi, it may seem less important....

SQLite – Open Format for Open Data 6

SQLite – Open Format for Open Data

I scraped Gujarat rainfall data recently. The end result was 6 lakh rows of structured data. I released the data as an SQLite file instead of say a bunch of CSV or excel files. It kind of surprised some of my friends. But I think it’s a great file format for releasing open...

Anil Kumble Circle – Time Lapse video 6

Anil Kumble Circle – Time Lapse video

BTIS.IN provides images from traffic cameras across Bangalore. I wrote a simple script to capture and store images from camera no 3 (Anil Kumble Circle). Code is very simple and is listed below. The camera AK circle is usually up from morning 6 to evening 7. I have about 1.3k valid pictures from...