update: I am using iTerm2 now 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 export EC2_HOME=~/.ec2 export PATH=$PATH:$EC2_HOME/bin #export EC2_PRIVATE_KEY=`ls $EC2_HOME/pk-*.pem` #export EC2_CERT=`ls $EC2_HOME/cert-*.pem` export JAVA_HOME=$(/usr/libexec/java_home) export...

Hadoop is a collection of sub-projects from ASF to do hardcore distributed computing written in Java. If you have a look on their powered by page you will find most of the big boys are there. If you are from technology field you must be heard couple of these tools which are sub-projects of Hadoop: We will be using these three in throughout the post: Hadoop Common: The common utilities that support the other Hadoop subprojects. HDFS: A...

I got a good news to share with you! You might know that I was writing a book titled Magento 1.4 Development Cookbook from Packt Publishing. My book has been uploaded and available for buying. I am pretty much happy with it! For those who have no idea what I am talking about: It is a book both on paper back and pdf format available to buy from Packt Publishing, Amazon and book stores. This book has 12 chapters with more than 80 real world...

Few days back I had to work on a project integrated with Nutch and Solr for providing high performance search. We have millions of domain. So there were no other way but separation of data for each domain both in Nutch and Solr. I maintained separate location for seed, crawldb, segments and index in nutch and one core for every domain in Solr. We used Solr for indexing from Nutch. I thought this post could help in a similar task. This post...

I am writing this post with a great satisfaction in mind as still I can feel it. In Bangladesh we have a lot of possibilities on software development field. There are lots of potential developers are coming out from various public and private universities. Unfortunately our curriculum is not yet there to prepare a fresh graduate to compete the fast paced development world. This is why a community is prevalent to groove the developers....

What is NUTCH you ask? Nutch is a very popular open source JAVA based search engine built on top of Lucene which is translated to C, C++, C#, Python, Perl and Ruby. It provides all of the tools you need to run your very own search engine. Current version of nutch (as of October 2010) is: 1.2. Download PDF version of this cheat sheet Some important gotchas on nutch: Founded in 2003 by Doug Cutting, the Lucene creator, and Mike...

What is Doctrine? Doctrine is a popular ORM for PHP which works with RDBMS via PHP objects. This is built inspired by Hibernate from JAVA. This acts as an abstraction layer between PHP and RDBMS. What is it good for? It really hide the the business logics (tables, sql, relations) via the db abstraction layer while active record map objects to tables. It has a strong caching (of cached caching) system with apc, memcached, sqlite Caching...