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Linux Controlling your locale with environment variables
Post date: May 2, 2006, 08:05 Category: System Views: 10
Tutorial quote: People all over the world use Linux in dozens of languages. Since Linux's source code is free and open, speakers of minority languages can add support for their languages themselves, even though a large corporation might not consider them a worthwhile market. If you use more than one language, or a language other than English, you should know about Linux's use of locales to support different languages. Indeed, understanding locales can be useful even if you only use English.
RedHat Choosing an I/O Scheduler for Red Hat Enterprise Linux 4
Post date: July 18, 2005, 18:07 Category: Benchmarks Views: 176
Tutorial quote: The Linux kernel, the core of the operating system, is responsible for controlling disk access by using kernel I/O scheduling. Red Hat Enterprise Linux 3 with a 2.4 kernel base uses a single, robust, general purpose I/O elevator. The 2.4 I/O scheduler has a reasonable number of tuning options by controlling the amount of time a request remains in an I/O queue before being serviced using the elvtune command. While Red Hat Enterprise Linux 3 offers most workloads excellent performance, it does not always provide the best I/O characteristics for the wide range of applications in use by Linux users these days. The I/O schedulers provided in Red Hat Enterprise Linux 4, embedded in the 2.6 kernel, have advanced the I/O capabilities of Linux significantly. With Red Hat Enterprise Linux 4, applications can now optimize the kernel I/O at boot time, by selecting one of four different I/O schedulers.
Gentoo GCC extension for protecting from stack-smashing attacks
Post date: April 20, 2005, 06:04 Category: Security Views: 79
Tutorial quote: The Stack-Smashing Protector (SSP, formerly ProPolice) is perhaps one of the most sophisticated yet simplistic protective compiler technologies to date which makes use of canary values by rearranging local variables and function pointers. When (ssp) is enabled it can prevent many forms of the common return-to-libc attack. It is implemented as a patch to GCC which will automatically insert protection code into your programs at compile time. It is developed by Hiroaki Etoh at IBM.
Unix+clones Performance Tuning with GCC, Part 1
Post date: November 25, 2005, 20:11 Category: Optimizing Views: 46
Tutorial quote: This article provides an overview of the different flags controlling optimization in GCC and some hints on how to use them to get the most performance out of your application. In particular, it discusses some of the new optimization features of the GCC 4.x series included in Fedora™ Core 4 and the upcoming Red Hat® Enterprise Linux® versions.
Gentoo Bandwidth limiting howto
Post date: June 12, 2005, 22:06 Category: Network Views: 119
Tutorial quote: Linux has a very powerful mechanism for controlling network bandwidth usage. As being powerful inevitably implies being complex, this feature is documented in lengthy and exhaustive documents in great details. These documents however can prove to be excessive in their length and language to users who are looking for simple solutions for simple questions. This guide aims to give a short and practical introduction on how to solve some common issues that users tend to experience on an everyday basis.
SuSe User-Mode Linux
Post date: December 8, 2005, 08:12 Category: Software Views: 137
Tutorial quote: One of the largest efforts involved with software engineering is testing the software to make sure that it works as designed. Testing can require several different types of system configurations and could require multiple instances of Linux. One way to create this type of environment is to use a virtual machine.

User-Mode Linux (UML) is a fully functional Linux kernel. It runs its own scheduler and virtual memory (VM) system, relying on the host kernel for hardware support. It includes virtual block, network, and serial devices to provide an environment that is almost as full-featured as a hardware-based machine. UML cannot destroy the host machine. Furthermore, the UML block devices, also called disks, can be files on the native Linux file system, so you cannot affect the native block devices. This is very useful when you're testing and debugging block operations.
Unix+clones Classic AmigaOS Emulation - A Guide for WinUAE
Post date: June 12, 2005, 19:06 Category: Emulation Views: 81
Tutorial quote: WinUAE has reached a "v1.0 public"-state (!) and includes many improvements including OpenGL/DirectX display filters (for enhancing graphic output), Catweasel support (hardware for reading classic Amiga formatted diskettes with today's diskdrives) and an overall more cleanly designed user interface. For most people who are unfamiliar with AmigaOS and the use of Amiga emulators, setting up a usable AmigaOS emulation environment can be a daunting task. I have often heard of even veteran computing professionals feeling like complete computing newbees again when being confronted with all the Amiga jargon floating around on Amiga forums. With this article I intend to help provide information and pointers to resources for getting familiar with classic Amiga emulation while focussing on the freely available WinUAE emulator for the Windows platform. With this guide setting up an advanced classic emulation environment shoulld be possible for any PC user.

This article also includes many WinUAE screenshots, videos and information on acquiring and using freely available software.
RedHat RH 9.0 Apache 2.0.47 + Tomcat 4.1.27 HOWTO
Post date: April 9, 2006, 10:04 Category: Software Views: 15
Tutorial quote: Building an Apache HTTP + Tomcat environment is five major steps.
Linux HOWTO: Hosting a Subversion Repository
Post date: April 17, 2006, 13:04 Category: Software Views: 24
Tutorial quote: This document explains in details the procedure to setup a subversion repository (with trac/viewvc) in Linux based environment. Depending on the needs, one of the following three schemes can be selected.
Solaris Using the CDE GUI
Post date: April 12, 2005, 23:04 Category: Desktop Views: 81
Tutorial quote: CDE - Common Desktop Environment - is Solaris' default GUI interface. The OpenWindows GUI is also installed with the OS. This short tutorial teaches you basics of CDE.
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