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Network Based Ubuntu Installations

by Christer Edwards | March 2010 | Linux Servers Open Source

This article by Christer Edwards, outlines how to install Ubuntu using the network installer. This utility allows you to install directly over the network, instead of using a CD or DVD image. It does require a small CD boot image, but beyond that it is entirely network dependent.

These steps can be used to install over the WAN from a public Ubuntu repository, or over the LAN from an exported Ubuntu CD or private repository. Network installations are generally faster than CD based installations, particularly when done over a Local Area Network.

Read Network Based Ubuntu Installations in full

Apache MyFaces Extensions Validator

by Bart Kummel | March 2010 | Java Open Source Web Development

In this article by Bart Kummel, author of Apache MyFaces 1.2 Web Application Development, you will be able to:  

  • Set up a project to use ExtVal
  • Use ExtVal to generate validation based on JPA annotations
  • Use ExtVal’s added annotations for additional validation
  • Implement cross validation using ExtVal’s annotations
  • Use ExtVal with custom JSF validators
  • Create custom error messages for ExtVal validations
  • Override and extend ExtVal’s default behavior
Read Apache MyFaces Extensions Validator in full

CMS Made Simple 1.6: Learning Smarty Basics

by Sofia Hauschildt | March 2010 | Beginner's Guides Content Management Open Source Web Development

In this article by Sofia Hauschildt, author of CMS Made Simple 1.6: Beginner's Guide, you will learn the basics of Smarty. Creating professional sophisticated designs is easier using Smarty. With the powerful combination of Smarty and HTML, there are no limits to the flexibility of the sites you design.

Read CMS Made Simple 1.6: Learning Smarty Basics in full

Importing and Adding Background Music with Audacity 1.3

by Bethany Hiitola | March 2010 | Open Source

You can use Audacity to import music into your project, convert different audio files from one format to another, bring in multiple files and convert them, and more. In this article by Bethany Hiitola, author of Getting started with Audacity 1.3, we will learn how to add background music into your podcast, overdub, and fade in and out. We will also discuss some additional information about importing music from CDs, cassette tapes, and vinyl records.

Read Importing and Adding Background Music with Audacity 1.3 in full

Building Your First iReport

by Shamsuddin Ahammad | March 2010 | Java Open Source

We will develop our first simple report using iReport, and before doing so, we will create a connection/data source that will be used to fill the reports.

In this article by Shamsuddin Ahammad, we will learn about:

  • Creating a new data source or database JDBC connection
  • Creating a report using the wizard
  • Using the design query feature to produce the SQL query for the report
  • Viewing and exporting the report using the built-in viewer
Read Building Your First iReport in full
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