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Lazy Linux: 10 Essential Tricks for Admins

  • IBM/developerWorks; By Vallard Benincosa (Posted by IdaAshley on Jul 23, 2008 6:21 AM EDT)
  • Groups: Linux
In this article, learn how to be a more productive Linux systems administrator. These 10 essential tricks will lead you on your way to being one powerful Linux systems administrator. Learn about SSH tunnels, VNC, password recovery, console spying, and more. Examples accompany each trick, so you can duplicate them on your own systems.

Anatomy of Linux Loadable Kernel Modules

  • IBM/developerWorks; By M. Tim Jones (Posted by IdaAshley on Jul 22, 2008 3:16 AM EDT)
  • Story Type: ; Groups: Linux
Linux loadable kernel modules are on of the most important innovations in the Linux kernel. They provide a kernel that is both scalable and dynamic. Discover loadable kernels, the ideas behind them, and learn how these independent objects dynamically become part of the Linux kernel.

Develop iPhone Apps with Ruby and Eclipse Part 3

  • IBM/developerWorks; By Noel Rappin (Posted by IdaAshley on Jul 18, 2008 7:50 AM EDT)
  • Groups: Eclipse
Although Mobile Safari is more than adequate at rendering normal Web pages, many Web developers created versions of applications aimed at the iPhone. Here in Part 3 learn what to do when the user reaches the end of the list structure and your application actually needs to display content. Part 1 discusses how to set up your server to detect and serve alternate content to Mobile Safari, and Part 2 explores actual content you might create for an iPhone or iPod touch.

Intro to Awk, the Great Language with a Strange Name

  • IBM/developerWorks; By Daniel Robbins (Posted by IdaAshley on Jul 15, 2008 1:04 AM EDT)
  • Groups: Linux
Awk is a very nice language with a very strange name. In this first article of a three-part series, Daniel Robbins will quickly get your awk programming skills up to speed. As the series progresses, more advanced topics will be covered, culminating with an advanced real-world awk application demo.

Develop iPhone Apps with Ruby and Eclipse Part 2

Although Mobile Safari is more than adequate at rendering normal Web pages, many Web developers created versions of applications aimed at the iPhone. Here in Part 2 of this series learn the common use of drill-down lists as a navigation method. Part 1 of this series took an existing Ruby on Rails Web application and began the process of augmenting it to serve iPhone users.

Migrate Device Control Apps from Windows to Linux

  • IBM/developerWorks; By Sun Ling and Yang Yi (Posted by IdaAshley on Jun 27, 2008 3:17 PM EDT)
  • Groups: Linux
Ease the pain of migrating device control applications from Microsoft Windows to Linux. In this article, we analyze how device control works in both operating systems, examining everything from architecture to system calls and focusing on the differences. The authors outline these differences and give you a C/C++ migration sample.

The Zend Framework V1.5 and Google Part 1

  • IBM/developerWorks; By John Mertic (Posted by IdaAshley on Jun 25, 2008 4:27 AM EDT)
  • Story Type: Tutorial; Groups: IBM, PHP
In this three-part "Create a productivity package with the Zend Framework V1.5 and Google applications" tutorial series, we will build an application with Zend Framework V1.5 that uses the Google applications. Explore the various features of the Zend Framework in Part 1, which outlines the many new features in V1.5 that we will take advantage of to build an example Web site.

Five Maximum Performance Tips for SDK 3.0

  • IBM/developerWorks (Posted by IdaAshley on Jun 19, 2008 6:46 PM EDT)
  • Groups: IBM
In this blog about programming with BLAS, discover five tips to gain maximum performance for the IBM SDK for Multicore Acceleration 3.0. These five tips will let you leverage maximum performance from the BLAS library.

Debugging PHP using Eclipse and PDT

The PHP Development Tools (PDT) plug-in, when installed with Eclipse Europa, gives you that ability to quickly write and debug PHP scripts and pages. PDT supports two debugging tools: XDebug and the Zend Debugger. Learn how to configure PDT for debugging PHP scripts and discover which perspectives you use when taking closer looks at your scripts.

Parallelize Applications for Faster Linux Booting

One of the biggest complaints about Linux is the speed with which Linux boots. By default, Linux is a general-purpose operating system that can serve as a client desktop or server right out of the box. This article shows you how to increase Linux boot speed, including two options for parallelizing the initialization process. It also shows you how to visualize graphically the performance of the boot process.

Speaking UNIX Part 8: UNIX Processing

  • IBM/developerWorks; By Martin Streicher (Posted by IdaAshley on Jun 14, 2008 1:13 AM EDT)
  • Groups: IBM; Story Type: News Story
On UNIX systems, each system and end-user task is contained within a process. The system creates new processes all the time and processes die when a task finishes or something unexpected happens. In Part 8 learn how to control processes in UNIX and use a number of commands to peer into your system.

Install Java 5 EE on openSUSE Linux Part 1

  • IBM/developerWorks; By Paul Coates (Posted by IdaAshley on Jun 5, 2008 10:08 PM EDT)
  • Story Type: Tutorial; Groups: IBM, Linux
This demo shows how to extract and install the Java Platform, Enterprise Edition 5 (Java EE 5) SDK that is bundled with IBM WAS CE on the openSUSE Linux platform. It also highlights key parameters required to configure a Java Virtual Machine (JVM) in the .bash_profile, and how the default JVM and WAS CE installation enables access for multiple users.

Porting Applications to Linux for System z

  • IBM/developerWorks; By Wolfgang Gellerich (Posted by IdaAshley on Jun 4, 2008 11:55 PM EDT)
  • Groups: IBM, Linux; Story Type: News Story
Server consolidation based on Linux for System z offers advantages, but moving existing applications requires some specialized knowledge. In this article, get general advice on how to organize your porting project, including technical details on mainframe virtualization, byte-ordering, and address calculation specific to System z.

Meet the JavaScript Development Toolkit

If you need a free Web development environment, look no further than Eclipse. The JavaScript Development Toolkit (JSDT) is an open source plug-in that brings robust JavaScript programming tools to Eclipse. JSDT streamlines development, simplifies code, and increases productivity for pure JavaScript source files and JavaScript embedded in HTML.

The Chiphopper Linux Cross-Platform Tool

The IBM Systems Application Advantage for Linux, also known as the Chiphopper offering, provides tools to help developers whose applications run on x86 Linux systems scrub their C/C++ code for portability prior to porting to System p, System i, or System z. Source hardware platforms for 32- and 64-bit applications are x86, EM64T, and AMD systems running Linux Standard Base (LSB) 3.x certified Linux distributions.

Anatomy of a Linux Flash File System

You've probably heard of Journaling Flash File System (JFFS) and Yet Another Flash File System (YAFFS), but do you know what it means to have a file system that assumes an underlying flash device? This article introduces you to flash file systems for Linux, and explores how they care for their underlying consumable devices through wear leveling.

Discover How a UNIX Machine Boots

  • IBM/developerWorks; By Adam Cormany (Posted by IdaAshley on May 17, 2008 9:09 AM EDT)
  • Groups:
Ever wonder what makes a computer tick or how a UNIX server does what it does? Discover what happens when you push the power button on your computer. This article discusses the different boot types, managing the AIX bootlist and the AIX boot sequence. After reading this article, you will better understand what exactly happens when your server starts.

Build Web Services with PHP in Eclipse

This tutorial will use the PHP Development Tools (PDT) plug-in in Eclipse Europa to show you how to build Web services in PHP. Also, learn how to create and deploy useful PHP projects, learn about the philosophy behind contract-first development, and understand the basic parts that make up a Web Services Description Language (WSDL) file.

Integrate External Tools and Builders in Eclipse

  • IBM/developerWorks; By Nathan A. Good (Posted by IdaAshley on May 10, 2008 4:18 AM EDT)
  • Story Type: Tutorial; Groups: Eclipse
Run external programs from within the development environment and save settings for how you call an external program with launch configuration in Eclipse Europa. In this tutorial, learn how to build and use these launch configurations such as Ant build scripts and an example script to view parameter values. Also learn to use automatic parameters with your external tools.

Migrating to the Newest Linux File System ext4

  • IBM/developerWorks; By Roderick W. Smith (Posted by IdaAshley on May 6, 2008 11:10 PM EDT)
  • Groups: IBM, Linux; Story Type: News Story
Ext4 is the latest in a long line of Linux file systems, and it's likely to be as important and popular as its predecessors. As a Linux system administrator, you should be aware of the advantages, disadvantages, and basic steps for migrating to ext4. This article explains when to adopt ext4, how to adapt traditional file system maintenance tool usage to ext4, and how to get the most out of the file system.

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