Loading private key from pkcs#8 file(.pem) In Public key Cryptography (RSA) we use pair of public and private keys to encrypt and decrypt...

Configuring port offset on JBoss AS / WildFly

Port offset is an useful tweak which can be applied to execute several application servers on the same machine. A typical usage of th...

Setting up cron jobs in Unix and Solaris

Setting up cron jobs in Unix and Solaris. Cron is a UNIX, Solaris utility that allows tasks to be automatically run in the backgro...

UNIX OS USER ID CREATION

UNIX OS USER ID CREATION Creating User and Groups : User and group accounts are created on respective servers based on the...

JDK 1.8 features

1)  New package (java.time) introduced 2)  Arrays.parallelSort(fruits1); instead of Arrays.sort(fruits);                 bit fas...

Java 8 Lambda : Comparator example

In this example, we will show you how to use Java 8 Lambda expression to write a Comparator to sort a List. 1. Classic Comparator ...