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Linux

Hardening Linux: a 10 step approach to a secure server

Post date: June 22, 2005, 10:06 Category: Security Views: 4233 Comments
Tutorial quote: The Internet has become a far more dangerous place than it was 20 years ago. Nowadays, Operating System and application security is an integral part of a server configuration and, while firewalls are very important, they are not the panacea.

This list of steps is intended as a guideline with a practical approach. We’ll try to provide a complete picture without getting into unnecesary details. This list won’t replace a good book on secure systems administration, but it will be useful as a quick guide.

Before we get started it’s worth to mention that security is not a status: it’s just a process. The correct initial setup of the server only provides a good start and helps you get half the way through. But you actually need to walk the other half of the road, by providing proper security vigilance, monitoring and updating.
Unix+clones

Unattended rdiff-backup HOWTO

Post date: April 3, 2006, 08:04 Category: Software Views: 4657 Comments
Tutorial quote: This page describes how to set up rdiff-backup to run, as a non-root user, unattended from a crontab. We will utilize features of rdiff-backup and OpenSSH to secure the setup as much as possible.
Ubuntu

Running Internet Explorer in Ubuntu Linux

Post date: December 29, 2006, 20:12 Category: Desktop Views: 4193 Comments
Tutorial quote: No clicks needed. No boring setup processes. No Wine complications. Just one easy script and you’ll get three IE versions to test your Sites. And it’s free and open source.This may be very helpful for software developers and web developers to test their applications.
Debian

Running Internet Explorer in Debian and ubuntu Linux

Post date: September 29, 2006, 23:09 Category: Installing Views: 5801 Comments
Tutorial quote: No clicks needed. No boring setup processes. No Wine complications. Just one easy script and you’ll get three IE versions to test your Sites. And it’s free and open source.This may be very helpful for software developers and web developers to test their applications.
Debian

Using DSPAM & ClamAV With Postfix (Virtual Users) On Debian Etch

Post date: August 14, 2007, 23:08 Category: Security Views: 4071 Comments
Tutorial quote: This article describes how to integrate DSPAM with embedded ClamAV into a mail server based on Postfix featuring virtual users and domains, i.e. users and domains that are in a MySQL database. DSPAM is a scalable and open-source content-based spam filter. The setup shown here is suitable for Debian Etch servers.
Ubuntu

Newbie-Friendly Post-Installation Ubuntu Usability Setup Guide

Post date: November 5, 2009, 12:11 Category: Desktop Views: 4274 Comments
Tutorial quote: This tutorial is designed for new Linux users that are familiar with Microsoft Windows. The goal is to address some of the most common issues that these people face. (Namely, media codecs, and general terminology.) I tried to write it as someone might explain it vocally; I attempted to add humor in an effort to keep it interesting, although I make no guarantees that it is actually funny.
SuSe

Installing FreeNX Server on SUSE 10

Post date: December 27, 2005, 15:12 Category: Network Views: 7854 Comments
Tutorial quote: Not long ago, I reviewed SUSE Linux 10 and found that they had included the latest version of FreeNX (a free version of NoMachine's NX Server) on the installation media. I'd never really tried FreeNX at that point but had heard some good things about it, so I thought I'd give it a shot. Well, once it was installed and working I have to say I was immediately impressed by how simple it was to setup and how well (read: fast) it performed over a WAN connection. I was literally able to get my desktop at home from anywhere else in the world and get near-local speed. Normally, working on a remote system is alright until you need to type in any shape or form. There was almost no delay from the time I'd press a key to the time it would show up on the screen. This is what sold me on FreeNX and prompted me to offer to write a HOWTO on the topic. I was overwhelmed with email from our readers asking that I write it... so here we are!
OSX

How To Backup Your Mac Intelligently

Post date: May 26, 2006, 07:05 Category: Miscellaneous Views: 7059 Comments
Tutorial quote: I’m a paranoid person when it comes to backing up my files, but it took a hard drive crash of my own to make me realize how important backing up can be. Since then, I’ve gotten very good at making sure my data is secure. The setup I’m about to describe works for me. It’s based on how I prioritize my data and on the budget I’m willing to spend to keep everything safe. It’s not perfect for everyone, so take what I say with a grain of salt - an example of where to start and what’s possible.
Ubuntu

Managing Multiple KVM Hosts With Enomalism2 [Ubuntu 8.10]

Post date: April 23, 2009, 11:04 Category: Miscellaneous Views: 3405 Comments
Tutorial quote: In my previous guide about how to set up Enomalism2 on Ubuntu 8.10 I concentrated on just one KVM host. This tutorial is an extension to that article in that it shows how to add further Ubuntu 8.10 KVM hosts to the setup that can then be managed from one single control panel.
Debian

The Perfect Xen 3.0 Setup For Debian

Post date: April 1, 2006, 05:04 Category: System Views: 3294 Comments
Tutorial quote: This tutorial provides step-by-step instructions on how to install Xen (version 3.0.1) on a Debian Sarge (3.1) 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 (e.g. a virtual machine for a mail server, a virtual machine for a high-traffic web site, another virtual machine that serves your customers' web sites, a virtual machine for DNS, etc.), but still use the same hardware. This saves money, and what is even more important, it's more secure. If the virtual machine of your DNS server gets hacked, it has no effect on your other virtual machines. Plus, you can move virtual machines from one Xen server to the next one.
Web-based applications and online marketing solutions - LumoLink