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Ubuntu

Creating Your Own Custom Ubuntu 7.10 Or Linux Mint 4.0 Live-CD With Remastersys

Post date: December 4, 2007, 11:12 Category: Miscellaneous Views: 4879 Comments
Tutorial quote: This guide shows how you can create a Live-CD from your Ubuntu Gutsy Gibbon or Linux Mint 4.0 system with a tool called remastersys. Remastersys is available in the Linux Mint romeo repository. You can customize your Ubuntu/Linux Mint system and then let remastersys create an iso image of it which you can then burn onto a CD/DVD.
CentOS

Paravirtualization With Xen On CentOS 5.4 (x86_64)

Post date: December 15, 2009, 12:12 Category: Installing Views: 4790 Comments
Tutorial quote: This tutorial provides step-by-step instructions on how to install Xen (version 3.0.3) on a CentOS 5.4 (x86_64) system. Xen lets you create guest operating systems (*nix operating systems like Linux and FreeBSD), so called "virtual machines" or domUs, under a host operating system (dom0). Using Xen you can separate your applications into different virtual machines that are totally independent from each other, but still use the same hardware.
CentOS

Paravirtualization With Xen On CentOS 5.6 (x86_64)

Post date: May 24, 2011, 10:05 Category: Installing Views: 3223 Comments
Tutorial quote: This tutorial provides step-by-step instructions on how to install Xen (version 3.0.3) on a CentOS 5.6 (x86_64) system. Xen lets you create guest operating systems (*nix operating systems like Linux and FreeBSD), so called "virtual machines" or domUs, under a host operating system (dom0). Using Xen you can separate your applications into different virtual machines that are totally independent from each other, but still use the same hardware.
Linux

How to install Linux on Windows using VirtualBox

Post date: August 12, 2008, 14:08 Category: Installing Views: 3753 Comments
Tutorial quote: This guide explains how to install Linux and specifically Ubuntu Linux on Windows XP using SUN's VirtualBox. VirtualBox creates a virtual hard drive in which you can install another guest Operating System (Ubuntu Linux) which you can run along with your host Operating System (Windows XP). This way you can try Linux without being afraid of losing your Windows files.
Linux

Installing Ubuntu Or Fedora From A Windows Or Linux System With UNetbootin

Post date: October 7, 2007, 09:10 Category: Installing Views: 4576 Comments
Tutorial quote: UNetbootin is a tool that allows you to install various Linux distributions (Ubuntu, Fedora, Mandriva, OpenSuSE, Debian, ArchLinux) from a Windows or a Linux desktop over the internet (i.e., you do not need to burn the Ubuntu, Fedora, ... CDs). Unlike the Ubuntu installation with Wubi, real partitions are created during the installation. In the end, you have a dual-boot system (Linux/Windows or Linux/Linux).
Unix+clones

High Performance MySQL

Post date: December 1, 2006, 04:12 Category: Optimizing Views: 6569 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.
SuSe

User-Mode Linux

Post date: December 8, 2005, 13:12 Category: Software Views: 4466 Comments
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.
Fedora+Core

The Perfect Desktop - Part 1: Fedora Core 6

Post date: February 22, 2007, 19:02 Category: Desktop Views: 7559 Comments
Tutorial quote: With the release of Microsoft's new Windows operating system (Vista), more and more people are looking for alternatives to Windows for various reasons. This tutorial is the first of a series of articles where I will show people who are willing to switch to Linux how they can set up a Linux desktop (Fedora Core 6 in this article) that fully replaces their Windows desktop, i.e. that has all software that people need to do the things they do on their Windows desktops. The advantages are clear: you get a secure system without DRM restrictions, and the best thing is: all software comes free of charge.
Ubuntu

Installing Ubuntu/Kubuntu Dapper Drake on a Single/Multi-Boot RAID System

Post date: February 8, 2007, 20:02 Category: Installing Views: 3753 Comments
Tutorial quote: This guide describes how to install Ubuntu (Ubuntu+GNOME) or Kubuntu (Ubuntu+KDE) 6.06.1 LTS (Dapper Drake) on a single or a multi-boot RAID system. It is meant as a variation of Ubuntu Wiki FakeRAID HowTo document, but digested and with minimum commentary. Its goal is to allow new Ubuntu users to complete an entire installation within 30 minutes, almost entirely by copy and paste.
CentOS

How To Monitor A System With Sysstat On Centos 4.3

Post date: August 29, 2006, 15:08 Category: System Views: 6874 Comments
Tutorial quote: A common task for System Administrators is to monitor and care for a server. That's fairly easy to do at a moment's notice, but how to keep a record of this information over time? One way to monitor your server is to use the Sysstat package.

Sysstat is actually a collection of utilities designed to collect information about the performance of a linux installation, and record them over time.

It's fairly easy to install too, since it is included as a package on many distributions.
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