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The Perfect Desktop - Part 3: Ubuntu 6.10 Edgy Eft

The Perfect Desktop - Part 3: Ubuntu 6.10 Edgy Eft

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 third in a series of articles where I will show people who are willing to switch to Linux how they can set up a Linux desktop (Ubuntu 6.10 Edgy Eft 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 that runs also on older hardware, and the best thing is: all software comes free of charge.

Setting the SUID/SGID bits: Giving a program YOUR permissions when it runs

Setting the SUID/SGID bits: Giving a program YOUR permissions when it runs

Normally, when a program runs under Linux, it inherits the permissions of the user who is running it, thus if I run a program under my account, the program runs with the same permissions that I would have if that program were me. Thus, if I cannot open a certain file, the program I am running also cannot open the file in question. If I set the SUID or SGID bit for a file, this causes any persons or processes that run the file to have access to system resources as though they are the owner of the file.

How To Roll A Kernel the Ubuntu/Debian Way

How To Roll A Kernel the Ubuntu/Debian Way

The Linux kernel is the heart of your Ubuntu Operating System. The kernel that comes with Ubuntu should contain all of the drivers you need, but just in case you would like to tweak your kernel or if for some reason you need to recompile for some special reason this guide will help you.

Configuration Automation & Centralized Management With Puppet on Ubuntu

Configuration Automation & Centralized Management With Puppet on Ubuntu

This is a step by step tutorial on how to install the server component of Puppet (puppetmaster) on one machine, and the Puppet client (puppetd) on another. We then perform a simple test to make sure Puppet is working properly. If you're not familiar with Puppet, it's a configuration automation tool that allows you to centralize management of the various *nix flavors running on your network. Puppet supports central management of the important aspects of your systems, such as: files, packages, users, services, cron, mounts, etc.

Set Up A Fileserver For Small/Medium Enterprises With SME Server 7.1

Set Up A Fileserver For Small/Medium Enterprises With SME Server 7.1

This tutorial shows how to set up a fileserver for small and medium enterprises with SME Server 7.1. SME Server is an open-source Linux server distribution (released under the GPL) based on CentOS that can turn a computer into a gateway, firewall, fileserver, printserver, mailserver (including webmail), etc. In this article we will focus on the fileserver aspect of SME Server.

Creating a read-only mirror of your SVN repository with SVK

Creating a read-only mirror of your SVN repository with SVK

Say, you've got an SVN for your OpenSource project and would like to mirror it to some remote location that hosts opensource projects (such as SourceForge.net or dev.java.net). I'll skip the phase of an account and project registration and assume you've already got your credentials and SVN repo url. I also assume you are on Debian or Ubuntu and your SVN is up and running under Apache httpd.

The Perfect Desktop - Part 2: Mandriva Free 2007

The Perfect Desktop - Part 2: Mandriva Free 2007

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 second in a series of articles where I will show people who are willing to switch to Linux how they can set up a Linux desktop (Mandriva Free 2007 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.

An Explanation of Pointers (C++)

An Explanation of Pointers (C++)

Pointers are basically the same as any other variable. However, what is different about them is that instead of containing actual data, they contain a pointer to the memory location where information can be found. This is a very important concept, and many programs and ideas rely on pointers as the basis of their design, linked lists for example.

Using Amfphp 1.9 with the Adobe Flex 2 SDK

Using Amfphp 1.9 with the Adobe Flex 2 SDK

This article shows how you can make PHP interact with Adobe Flex. Adobe Flex is a technology to support the development and deployment of rich Internet applications based on their proprietary Macromedia Flash platform.

How To Implement SPF In Postfix

How To Implement SPF In Postfix

This tutorial shows how to implement SPF (Sender Policy Framework) in a Postfix 2.x installation. The Sender Policy Framework is an open standard specifying a technical method to prevent sender address forgery. There are lots of SPF extensions and patches available for Postfix, but most require that you recompile Postfix. Therefore we will install the postfix-policyd-spf-perl package from openspf.org which is a Perl package and can be implemented in existing Postfix installations (no Postfix compilation required).

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