Java J2ee Planet

  Docker is an open source container based software framework that automates the deployment of applications inside a software contains by providing an additional abstraction layer and automation of operating system level virtualization on Linux. Docker uses resource isolation features of the Linux kernel such as cgroups and kernel namespaces to allow independent "containers" to run within a single Linux instance, avoiding the overhead of starting and maintaining virtual machines. How to Install: Open Ubuntu Terminal Window and login as a root. Follow the below steps.

Recently, I started working on Ubuntu OS 14.04. I feel Ubuntu is much simpler than what I thought earlier. Lets leave about Ubuntu, I want to blog more about Ubuntu OS afterwards. Here I want to brief about how to install Tomcat webserver on Ubuntu.  Apache Tomcat is an open source webserver where we can deploy java applications. Go to terminal window on Ubuntu and login as a root user. 1. Install Java First: Before installing Tomcat server, it is better to install Java. Run the following command on terminal window to check Java is already installed.              java -version  If it returns "The program 'java' can be found in the following packages:" the Java is not installed on Ubuntu. To install Java, just run the below command. After this we have to add Java to environment variables in .bashrc. We will add both Java and Tomcat after the installation of Tomcat webserver.      ...

Nowadays its very common for Java developers to use Maven tool for building war or ear file their applications instead of ant tool. Since Maven provides an easiest way of building and managing version of applications and relieves you from build path configurations in your eclipse ide. Of course many people knows how to configure how to download and configure maven in their machines. But I want to post it on my blog for my reference and newbies in java world. Just follow the below steps:  Make sure Java (version 1.5 or 1.6 or 1.7 ) is installed on your machine and "JAVA_HOME" variable is added to environment variable list on windows as shown below image.(Windows start -> My Compuetr-> Right Click on ->Properties ->Advanced System Settings ->System Settings-> Click on "Environment Variables") Download latest version of Maven (apache-maven-3.3.3-bin.zip) from Apache Website: http://maven.apache.org/download.cgi to the directory on you...