Configure passwordless ssh to localhost

How to configure passwordless ssh to localhost? Read on for steps.

Specifying JVM heap size while running a program in eclipse

If you are running a program in eclipse and want the execution to happen with a specific value of heap size, – Right click on application -> Run as.. -> Run Configurations -> Open Argument tab Now, under VM arguments, specify :       -Xms128m -Xmx256m

Segmentation Fault in HBase

I got this error while creating HBase tables. After some investigation and google searches, the conclusion was – this error comes up if we are not using correct version of Java. Please upgrade your Java to at least JDK 1.6 SR 10 to get rid of this error. Hope this helps!!