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How To Set Up Linux As A Dial-In Server

Post date: January 21, 2007, 20:01 Category: Network Views: 3791 Comments
Tutorial quote: This document describes how to attach modems to a Linux box and allow it to receive calls to connect users to the network. It is like being your own ISP (Internet Service Provider). If your Linux box is connected to the Internet, then the users will also be connected to the Internet. Your Linux box becomes a router. This is also known as RAS (Remote Access Services) in the Microsoft world. In the Linux world it is called PPP (Point to Point Protocol).
Linux

Using XenExpress To Virtualize Your Server

Post date: January 18, 2007, 19:01 Category: System Views: 3725 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.
Linux

A Beginner's Guide To LVM

Post date: January 16, 2007, 19:01 Category: System Views: 3844 Comments
Tutorial quote: This guide shows how to work with LVM (Logical Volume Management) on Linux. It also describes how to use LVM together with RAID1 in an extra chapter. As LVM is a rather abstract topic, this article comes with a Debian Etch VMware image that you can download and start, and on that Debian Etch system you can run all the commands I execute here and compare your results with mine. Through this practical approach you should get used to LVM very fast.
Linux

Automatically Scan Uploaded Files For Viruses With php-clamavlib

Post date: January 14, 2007, 21:01 Category: Security Views: 4224 Comments
Tutorial quote: This guide describes how you can automatically scan files uploaded by users through a web form on your server using PHP and ClamAV. That way you can make sure that your upload form will not be abused to distribute malware. To glue PHP and ClamAV, we install the package php5-clamavlib/php4-clamavlib which is rather undocumented at this time. That package is available for Debian Etch and Sid and also for Ubuntu Dapper Drake and Edgy Eft.
Linux

Delete Qmail Server messages Queue

Post date: January 12, 2007, 18:01 Category: Software Views: 2691 Comments
Tutorial quote: qmail is a mail transfer agent that runs on Unix. It was more secure replacement for the popular Sendmail program. The author offered a $500 prize for the first person to publish a verifiable security hole in the latest version of the software.

This is a useful thing to do in a number of situations. For instance, if you are hit with a spamming attack, you can temporarily instate a second Qmail installation (once the spam run is finished), allow it to take over mail receipt,and then use this tool to clean the offending mails out of the queue before switching over to the main Qmail installation once again.
Linux

Back Up/Restore Hard Drives And Partitions With Ghost4Linux

Post date: January 11, 2007, 19:01 Category: System Views: 3980 Comments
Tutorial quote: This tutorial shows how you can back up and restore hard drives and partitions with Ghost4Linux. Ghost4Linux is a Linux Live-CD that you insert into your computer; it contains hard disk and partition imaging and cloning tools similar to Norton Ghost. The created images are compressed and transferred to an FTP server instead of cloning locally.
Linux

How To Resize ext3 Partitions Without Losing Data

Post date: January 9, 2007, 20:01 Category: System Views: 4779 Comments
Tutorial quote: This article is about resizing ext3 partitions without losing data. It shows how to shrink and enlarge existing ext3 partitions and how to merge two ext3 partitions. This can be quite useful if you do not use LVM and you realize that your existing partitioning does not meet your actual needs anymore.
Linux

Penguin Pete's X Window Manager and Desktop Environment Guide

Post date: January 6, 2007, 22:01 Category: Desktop Views: 2404 Comments
Tutorial quote: A tour of the desktops you will encounter on 99% of the Linux distributions out there. Each with screen shots, a review, and links. Written to help the new Linux user get familiar with the Linux desktop scene and help them decide which one is right for them.
Linux

Tweakin' your Bash Prompt

Post date: January 6, 2007, 22:01 Category: System Views: 4200 Comments
Tutorial quote: A friendly companion to the Bash-Prompt HOWTO, including a new trick to make the prompt change color dynamically based on your log-in. In the process, the overview could be handy in doing other Bash prompt tricks.
Linux

How the One-Liner For-Loop in Bash Goes

Post date: January 6, 2007, 21:01 Category: System Views: 3363 Comments
Tutorial quote: A mini-guide to one of the coolest tricks at the Bash command line - performing the same operation on a whole group of files at once using the "for-do-done" loop syntax.
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