MongoDB 101

Terms: Database holds the collections Collection holds the documents Document is JSON formatted key/value pairs Install/Start Mongo: download and extract to your fav location set ENV variable, export PATH=”~/Documents/Tools/mongodb/bin:$PATH” Create a data directory under ~/data/db (default is /data/db, need…

How to disable Adobe CQ Link Checker

What is Adobe CQ Link Checker? Link Checker is an out of the box component of Adobe CQ. It checks all the external link of content pages and make list them as valid or invalid. Invalid links show as a broken link icon on a content page. You can check…

Which Logger to use with Java applications?

Logging is one of the most important and necessary part of any application design. It helps developers and support teams to debug and gather enough information on the logic flow of the application. A well designed logging system is helpful for maintaining applications for longer life cycle and saves thousands…

Installing Maven on OS X

Prior versions of OSX Mavericks (10.9) comes with Maven 3 pre installed. If you are using OSX 10.9 or higher, your options are to install maven yourself or use homebrew or macports. I prefer to install it myself. The steps are fairly simple and straight forward. First check…

Convert a MySQL database from latin1 to UTF8

I was working on Mysql Server Version 5.0.75 at Ubuntu to convert a MySQL DataBase from latin1 to UTF8. For huge size (more than 15GB) of the database it takes a big amount of time if we ALTER all the tables and necessary columns.But in direct change…

FFMPEG installation from binary

FFMPEG installation for (RedHat EL 4 – i386) This installation will run probably for all i386 systems. 1) login at your remote server using this command: # ssh username[at]ip_address 2) Then install the follong rmps using the commands. # rpm -Uvh --nodeps ftp://ftp.univie.ac.at/systems/linux/…