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Unix+clones

High Performance MySQL

Post date: December 1, 2006, 04:12 Category: Optimizing Views: 6654 Comments
Tutorial quote: The operating system your MySQL server runs on and the server's configuration can be just as important to your server's performance as the indexes, schema, or queries themselves. In this chapter, we will help you understand how to tune your server to improve performance, as opposed to tuning schema or queries. We'll be looking at changes to your hardware, operating system, and MySQL configuration to see what effects they have on overall performance.

We assume that you've already made efforts to boost the performance of your queries. If you haven't done that already, stop now and read Chapter 4 and Chapter 5 to get a handle on optimizing your queries and your application code. Only then should you worry about server settings. Hardware is often not the solution to MySQL performance problems. Poorly optimized queries can slow you down far more than not having the latest CPU or SCSI disk. To put this in perspective, one of the MySQL AB trainers even says that changing hardware might, in the best cases, give you a 10-fold performance increase. But tuning queries (and schemas) can often give you 1000-fold performance increase. Seriously.

Some topics covered in this chapter are platform-specific. The authors' knowledge of the various platforms on which MySQL runs is limited. In many cases, you'll need to consult your local documentation for various operating system tools and specifics.

We start with an overview of the factors that limit performance and then look more in depth at RAID, hardware, and operating system issues. The chapter finishes with a discussion of techniques you can use to locate, identify, and fix bottlenecks.
Debian

How to Install Adobe Flash in Debian Etch/Lenny/Sid

Post date: January 5, 2009, 18:01 Category: System Views: 4793 Comments
Tutorial quote: In this tutorial we will see how to install Adobe Flash in Debian Etch/Lenny/Sid. Adobe Flash (previously called "Macromedia Flash"') is a multimedia platform created by Macromedia and currently developed and distributed by Adobe Systems. Since its introduction in 1996, Flash has become a popular method for adding animation and interactivity to web pages; Flash is
commonly used to create animation, advertisements, and various web page components, to integrate video into web pages, and more recently, to develop rich Internet applications.
OpenSUSE

Baobab - Disk Analysis tool in openSUSE (GNOME/KDE4)

Post date: November 11, 2008, 22:11 Category: Hardware Views: 6888 Comments
Tutorial quote: Baobab is a C/gtk+ application to analyse disk usage in any Gnome environment. Baobab can easily scan either the whole filesystem tree, or a specific user-requested directory branch either on the local system or on a remote system.
Ubuntu

Xubuntu 7.04(Feisty Fawn) Screenshots Tour

Post date: June 11, 2007, 23:06 Category: Software Views: 4287 Comments
Tutorial quote: Xubuntu is a complete GNU/Linux based operating system with an Ubuntu base. It is lighter on system requirements and tends to be more efficient than Ubuntu with GNOME or KDE, since it uses the Xfce Desktop environment, which makes it ideal for old or low-end machines, thin-client networks, or for those who would like to get more performance out of their hardware.
Unix+clones

Introduction to Free Pascal 2.0

Post date: May 16, 2005, 23:05 Category: Programming Views: 3737 Comments
Tutorial quote: After five years of development, Free Pascal 2.0 is ready. With the new compiler, its authors believe they are ready to become a larger open source development platform. In the MS-DOS world, Pascal was one of the major programming languages and is by means of Borland Delphi an important programming language in the Windows world. In the open source world, Free Pascal is the leading Pascal compiler and while open source is a bit biased using the C language, the Pascal language has a lot to offer to open source programmers.
Solaris

AMPS (Apache MySQL PHP SSL) for Solaris 10

Post date: January 26, 2007, 06:01 Category: Software Views: 9851 Comments
Tutorial quote: The strategy is to utilize as much of the Open Source and other free software bundled with Solaris 10 as possible and integrate Apache2, MySQL, PHP and SSL in a environment that can take full advantage of Solaris 10 zones, resource management and highly scaleable, secure System Administration.
BSD

Set Up PC-BSD v1.4 beta

Post date: September 1, 2007, 01:09 Category: Desktop Views: 7823 Comments
Tutorial quote: This article describes how to set up PC-BSD v1.4 beta. PC-BSD is released under the BSD license. PC-BSD is a desktop operating system based on FreeBSD. It uses KDE as its desktop environment.
Debian

Setting Up A PXE Install Server For Multiple Linux Distributions On Debian Lenny

Post date: May 26, 2009, 10:05 Category: Miscellaneous Views: 8010 Comments
Tutorial quote: This tutorial shows how to set up a PXE (short for preboot execution environment) install server on Debian Lenny. A PXE install server allows your client computers to boot and install a Linux distribution over the network, without the need of burning Linux iso images onto a CD/DVD, boot floppy images, etc. This is handy if your client computers don't have CD or floppy drives, or if you want to set up multiple computers at the same time (e.g. in a large enterprise), or simply because you want to save the money for the CDs/DVDs. In this article I show how to configure a PXE server that allows you to boot multiple distributions (i386 and x86_64): Debian Lenny, Ubuntu 9.04, Fedora 10, CentOS 5.3, OpenSuSE 11.1, and Mandriva 2009.1.
Ubuntu

Setting Up A PXE Install Server For Multiple Linux Distributions With Ubuntu Edgy Eft

Post date: December 20, 2006, 01:12 Category: Installing Views: 4791 Comments
Tutorial quote: This tutorial shows how to set up a PXE (short for preboot execution environment) install server with Ubuntu 6.10 (Edgy Eft). A PXE install server allows your client computers to boot and install a Linux distribution over the network, without the need of burning Linux iso images onto a CD/DVD, boot floppy images, etc. This is handy if your client computers don't have CD or floppy drives, or if you want to set up multiple computers at the same time (e.g. in a large enterprise), or simply because you want to save the money for the CDs/DVDs. In this article I show how to configure a PXE server that allows you to boot multiple distributions: Ubuntu Edgy/Dapper, Debian Etch/Sarge, Fedora Core 6, CentOS 4.4, OpenSuSE 10.2, and Mandriva 2007.
Sugar

Installing "Sugar on a stick" (Strawberry Release) On A USB Stick

Post date: August 4, 2009, 10:08 Category: Desktop Views: 5433 Comments
Tutorial quote: Sugar is the desktop environment that is used for the "One Laptop per Child" (OLPC) netbooks. It can also be installed on normal computers and even run off of a USB stick (which should have at least 1GB of size). This guide shows how you can install Sugar (the Strawberry release which is based on Fedora 11) on a USB stick.
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