Category Archives: Administration

Local installation of standalone HBase and Apache Storm simple cluster

Simple steps to install locally a simple Storm cluster and HBase in standalone mode. Continue reading

Posted in Administration, Big Data | Tagged , , , | 1 Comment

Install Skype on Debian Jessie amd64

How to install Skype on Debian Jessie amd64 Continue reading

Posted in Administration, GNU/Linux | Tagged , , | 2 Comments

Set WildFly binding address and shutdown using CLI

Real example to start JBoss/WildFly on a specific IP using command line parameters and how to shutdown server using JBoss/WildFly CLI tool Continue reading

Posted in Administration, JBoss | Tagged , | Leave a comment

Java bytecode verification is always REQUIRED

Never disable bytecode verification when running java as may lead you to security problems. Continue reading

Posted in Administration, Java, Java EE | Tagged , , , , , , , | Leave a comment

Never set GC parameter -XX:MaxTenuringThreshold greater than 15

Never set GC parameter -XX:MaxTenuringThreshold greater than 15 as it rapidly leads to heap fragmentation Continue reading

Posted in Administration, Java, Java EE | Tagged , , , , | 2 Comments

How to identify if installed JDK is 64 or 32 bit

A method to identify if an installed JDK is 32-bit or 64-bit. Continue reading

Posted in Administration, Java, Software Development | Tagged , , , , , | 2 Comments

Enable Java plugin in Iceweasel, Firefox and Chrome in Debian

I am fan of Debian GNU/Linux wheezy and I am using three different browser’s (Iceweasel, Firefox, Chrome) for various reasons. If you want to enable Java plugin for all those three browsers, then there is a single action that can … Continue reading

Posted in Administration, GNU/Linux | Tagged , , , , , , | 13 Comments