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Debian

Creating Advanced MySQL-Based Virtual Hosts On Lighttpd (Debian Etch)

Post date: August 19, 2008, 10:08 Category: Software Views: 3418 Comments
Tutorial quote: This guide explains how you can create advanced virtual hosts on a lighttpd web server on Debian Etch that are stored in a MySQL database. The method described here does not use the lighttpd mod_mysql_vhost module, and unlike mod_mysql_vhost (which allows you to store only the hostname and document root of a vhost in a database), this method allows to store individual configuration directives for each vhost in the MySQL database.
Linux

Key-Based SSH Logins With PuTTY

Post date: December 10, 2006, 20:12 Category: Security Views: 3737 Comments
Tutorial quote: This guide describes how to generate and use a private/public key pair to log in to a remote system with SSH using PuTTY. PuTTY is an SSH client that is available for Windows and Linux (although it is more common on Windows systems). Using key-based SSH logins, you can disable the normal username/password login procedure which means that only people with a valid private/public key pair can log in. That way, there is no way for brute-force attacks to be successful, so your system is more secure.
Linux

Using XenExpress To Virtualize Your Server

Post date: January 18, 2007, 19:01 Category: System Views: 4051 Comments
Tutorial quote: This guide covers the installation of XenExpress and the creation of virtual machines with the XenServer Administrator Console. XenExpress is the free virtualization platform from XenSource, the company behind the well known Xen virtualization engine. XenExpress makes it easy to create, run and manage Xen virtual machines with the XenServer Administrator Console. XenExpress can run up to 4 virtual machines at the same time with a max. total amount of 4GB RAM. The XenExpress installation CD contains a full Linux distribution which is customized to run XenExpress.
Debian

Managing Xen With Xen-Tools, Xen-Shell, And Argo

Post date: November 5, 2006, 21:11 Category: System Views: 4537 Comments
Tutorial quote: This guide describes how to install and use xen-tools, xen-shell, and Argo on a Debian system. All three packages provide useful tools for the administration of virtual Xen machines. Xen-tools is a collection of Perl scripts that allow you to easily create, update, and delete Xen guest domains. The xen-shell provides a command-line interface to owners of Xen domains so that they can manage their Xen domains without the help of the server administrator. And with Argo, you can control Xen domains through a web interface or through a menu on the command line.
Debian

Rolling your own Debian packages (part 1)

Post date: January 21, 2006, 06:01 Category: Software Views: 3001 Comments
Tutorial quote: This two-part article explains how to make a Debian package of simple piece of software, presumably something you have written yourself. Although building a new package is more complex than rebuilding one or having one generated, the idea is that it is actually surprisingly simple to create basic Debian packages. In fact, if you can make software install into a temporary installation tree, you're already 90% done! This text provides a quick alternative to the more comprehensive Debian New Maintainers' Guide. Only knowledge of Makefiles and the basic Debian package tools is assumed.

The first part of this article will continue with some preliminary information about Debian packages. In the second part we walk through a concrete packaging example.
Linux+Mint

Installation Guide: Linux Mint 4.0 Daryna (a.k.a. The Perfect Desktop)

Post date: November 22, 2007, 11:11 Category: Desktop Views: 4734 Comments
Tutorial quote: This tutorial shows how you can set up a Linux Mint 4.0 (Daryna) desktop that is a full-fledged replacement for a Windows desktop, i.e. that has all the 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 works even on old hardware, and the best thing is: all software comes free of charge. Linux Mint 4.0 is a Linux distribution based on Ubuntu 7.10 that has lots of packages in its repositories (like multimedia codecs, Adobe Flash, Adobe Reader, Skype, Google Earth, etc.) that are relatively hard to install on other distributions; it therefore provides a user-friendly desktop experience even for Linux newbies.
Debian

How To Set Up A Load-Balanced MySQL Cluster

Post date: March 31, 2006, 19:03 Category: Software Views: 4051 Comments
Tutorial quote: This tutorial shows how to configure a MySQL 5 cluster with three nodes: two storage nodes and one management node. This cluster is load-balanced by a high-availability load balancer that in fact has two nodes that use the Ultra Monkey package which provides heartbeat (for checking if the other node is still alive) and ldirectord (to split up the requests to the nodes of the MySQL cluster).

In this document I use Debian Sarge for all nodes. Therefore the setup might differ a bit for other distributions. The MySQL version I use in this setup is 5.0.19. If you do not want to use MySQL 5, you can use MySQL 4.1 as well, although I haven't tested it.

This howto is meant as a practical guide; it does not cover the theoretical backgrounds. They are treated in a lot of other documents in the web.
FreeBSD

Configuring virtual domains with Cyrus+Postfix in FreeBSD 5.4

Post date: December 1, 2005, 03:12 Category: Software Views: 4851 Comments
Tutorial quote: Cyrus IMAP is an efficient IMAP server capable of handling a large number of accounts. Its biggest drawback is getting it installed and configured. This tutorial is a step-by-step guide on how to use Cyrus with the Postfix mail transfer agent (MTA). I tested these instructions with FreeBSD 5.4.

Postfix is a replacement for sendmail, the stock MTA that comes in FreeBSD. It is easier to configure and manage than sendmail. If you depend on sendmail, you can still look at the article for the Cyrus part, but you'll need to look elsewhere for the MTA configuration.

Unless otherwise instructed, perform all operations in this tutorial as root. You will need to use the port system. If you are new to it, check Chapter 4 of the FreeBSD Handbook.
Debian

Installing Maia Mailguard On Debian Lenny (Virtual Users/Domains With Postfix/MySQL)

Post date: July 8, 2010, 10:07 Category: Installing Views: 4116 Comments
Tutorial quote: This guide explains how to install Maia Mailguard, a spam and virus management system, on a Debian Lenny mailserver. Maia Mailguard is a web-based interface and management system based on the popular amavisd-new email scanner and SpamAssassin. Written in Perl and PHP, Maia Mailguard gives end-users control over how their mail is processed by virus scanners and spam filters, while giving mail administrators the power to configure site-wide defaults and limits.
Solaris

NIST Publically-Released Fedora/Red Hat Core Security Guide

Post date: October 21, 2006, 04:10 Category: Security Views: 6490 Comments
Tutorial quote: The Benchmark is a compilation of security configuration actions and settings that "harden" Red Hat Linux operating systems. It is a CIS Level-I benchmark: the prudent level of minimum due care for operating system security. This benchmark was developed and tested on Red Hat Enterprise Linux (RHEL) including RHEL 2.1, RHEL 3.0, and Fedora Core 1, 2, & 3. It is likely to work for other Linux distributions - especially Red Hat and Fedora derivatives - as well.
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