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If you think streams and pipes make a Linux expert sound like a plumber, here's your chance to learn about them and how to redirect and split them. This article grounds you in the basic Linux techniques for redirecting standard IO streams.

This article shows you how to use Apache Hadoop to build a MapReduce framework to make a Hadoop Cluster and how to create a sample MapReduce application which runs on Hadoop. You will also learn how to set up a time/disk-consuming task on the cloud.

Learn about the virtualization capabilities of both HP-UX and AIX. The intent of this article is to educate you and also to help you make informed decisions as to which platform works best for you, from a feature and functionality standpoint and for your long-term strategic goals.

With the Linux virtual file system switch (VFS), you can create file systems on a variety of devices, from traditional disk, USB flash drives, memory, and other storage devices. You can even embed a file system within the context of another file system. Discover what makes the VFS so powerful, and learn its major interfaces and processes.

The venerable master boot record (MBR) partitioning scheme can't fully handle disks larger than 2TB. With 1TB-hard disks now common and 2TB-disks becoming available, forward-looking individuals are thinking about alternatives to the MBR partitioning scheme. The heir apparent is the GUID Partition Table (GPT). Learn how to make sure your Linux system is fully prepared for the future of disk storage.

Setup with the correct software, a netbook makes a great mobile recording solution. I'll show you how to use your netbook and Linux to record and edit audio and make beats on the go.

This tutorial looks at some systems that enable you to trace the execution of applications and work out what they are doing without having to make any modifications to the source code, and even without having to stop and restart the application.

Amazon SimpleDB (SDB) is a fast, scalable real-time dataset indexing and querying framework that makes it easy to store and retrieve structured data for Amazon Web Services-based applications in the cloud. In this article, learn some of the basic concepts of Amazon Cloud computing and check out some of the functions provided by the third-party open source Python library named boto. You will get familiar with Amazon Cloud computing and SDB by running small snippets of boto code in a Python shell.

This series of three articles on tunning LAMP systems discusses many of the server configuration items that can make or break an application's performance. Part-1 covers the LAMP architecture, some measurement techniques, and some basic Linux kernel, disk, and file system tweaks. Part-2 focuses on steps you can take to optimize Apache and PHP. Part-3 looks at tuning the database layer for maximum efficiency. Each component -- Linux, Apache, PHP, or MySQL -- has various needs. These articles help you understanding them individually to eliminate the bottlenecks that can slow your application performance.

POSIX file capabilities split root user powers into smaller privileges, such as the ability to read files or to trace processes owned by another user. By assigning capabilities to a file, you can enable an unprivileged user to execute the file with those specified privileges. In this article, learn how programs can make use of POSIX capabilities, how to investigate which capabilities are needed by a program, and how to assign those capabilities to the program.

The SOA Sandbox is going green! The IBM SOA Sandbox lets you increase your SOA skills through practical, hands-on, online trials. Using specially designed exercises, you can assess how SOA technology can be leveraged to make enterprises more efficient and eco-friendly.

Pass It Along is a peer-to-peer knowledge exchange network Web 2.0 application that builds communities of experts and learners around "nuggets" of knowledge. This article explains the high-level concepts of Pass It Along as a segue into the application itself. Here are a few of the most popular Learning Paths that have already have been built collectively by many community members: Basic Linux Administration, Advanced Linux Administration, Desktop Linux, and Eclipse for Beginners. Your feedback is needed to make it better for you and others.

Writing software for more than one UNIX platform can be difficult. This tutorial covers tools and tricks that can make the process of supporting different UNIX platforms significantly easier at the code level.

How could someone make a more powerful editing tool than vi, you may ask? The answer is Vim, and this article provides details on the many enhancements that have made Vim a highly used and acceptable editor in the world of UNIX and Linux.

Tcsh is one of the most popular UNIX shells. Learn how you can use tcsh shell variables to make your work easier and how to take advantage of tcsh's advanced security features.