Skip to main content

Apache Tomcat- Ubuntu

Tomcat is a web-container that allows to run servelet and Java Server Pages (JSP) based web applications.

Tomcat Usages

  • A container that allows running web applications.
  • Can use as HTTP server(default port : 8080)

Installation

Follwing steps are described to install Tomcat7 in Ubuntu OS using terminal.
  • sudo apt-get install tomcat7
  • sudo apt-get install tomcat7-admin
  • sudo apt-get install tomcat7-docs
  • sudo apt-get install tomcat7-examples

Start/Stop Tomcat Server

In Ubuntu after istalling Tomcat server it will start automaticaly. But if you want to restart the server you can use follwing command
    • sudo /etc/init.d/tomcat7 restart
If you want to stop the Tomcat Server you can issue following command.
    • sudo /etc/init.d/tomcat7 stop

Test The Server

After starting the Tomcat server you can check it by entering the following URL in the brower
    • http://localhost:8080

Admin Console 

Tomcat provides a web based administration console and you can access it using following credentials.
    • Default username = admin and password = admin
If you want to reset the administation credentials you can follow below steps.
    •  sudo gedit etc/tomcat7/tomcat-users.xml
And the add the following lines  in between <users> tag
                                                       
<role rolename="manager-gui" />
<user username="tomcat" password="s3cret" roles="manager-gui" />











Comments

Popular posts from this blog

Object Oriented Programming (OOP)

Object Object is an entity that has state and behavior Class Collection of objects is known as class. There are four main types of OOP concepts Inheritance Object acquire all the properties and behavior of parent object Improve code re-usability Polymorphism One task is performed by different ways Use method overload and override Abstraction Hiding internal details and showing functionality Use abstract class and interfaces Encapsulation Binding code and data into a single unit

Maven

Maven is a software project management and comprehension tool, based on the concept of project object model. Maven Usages Build the code in the development environment (compile the source code, run the test cases and packaging the project) Project management tool Generate reports Dependency management Installation Steps You can install Maven by following below steps .  Manual Installation Download Maven binary file Create some environment variables M2_HOME = environment point to maven directory PATH = append Maven path until bin to path variable Using Ubuntu Terminal sudo apt-get install maven To check Maven is successfully installed, issue the following command mvn --version To create a Maven project using Terminal use following steps mkdir myApp cd myApp/ mvn archetype:generate : choose archetype for the project  groupId: org.amali.myProject (like package name) artifactId: MavenTestApp (like class name) The...

Model-View-Controller (MVC)

MVC(Model-View-Controller) is a software design pattern.It divided your applications into three components Model: Contain business rules and application Data View: Presentation layer (user interface) Controller: Handles the communication between view and model  Objectives of MVC Promote code usability Implement separation of concerns  Separate user interface and software logic Web Frameworks That Use MVC There are several web frameworks that use MVC design pattern.  Ruby On Rails (Ruby) Angular (JS) Django (Python) Express (JS) Flask (Python) Codeigniter (PHP) Simple UseCase for MVC In this use case scenario, Browser sends information that needs to create Employee Object, and Controller save that information in Model and Update the Employee View. Following Image shows the class diagram for above Scenario. Implementation:  https://github.com/kaosadi17/MVC