HowTos

HowtTs, tutorials, or tips & tricks, etc.

Synchronizing your Palm PDA with Linux

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Ready to synchronize your Palm OS-based PDA with your Linux desktop? Here's a trio of GUI-based options and a command-line tool for you to try.

The Perfect Linux Firewall Part I -- IPCop

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This document describes how to install the GNU/Linux GPL IPCop firewall and create a small home office network. In the second installment we cover creating a DMZ for hosting your own web server or mail server and the Copfilter proxy for filtering web and email traffic.

Finding which package contains a file

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There are times when you're looking for a particular library, or file, which you know is available to Debian but you cannot find the package which contains it. This is the kind of job that the Debian packages site helped with in the past, but given its current unavailability we'll look at another approach.

Securing Linux applications with compiler extensions

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Buffer overflow proofs of concept are produced with routine regularity, demonstrating how easy it can be to leverage unsafe coding practices into successful attacks and system takeovers. Thus, it's imperative to follow a layered methodology to fortify applications against the perils of unchecked code.

Xen Virtualization and Linux Clustering, Part 2

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We ended last time after configuring our first unprivileged Xen domain. In this article, we complete our cluster and then test it using an open-source parallel ray tracer. The first thing we need to do is create additional slave nodes to be used with the cluster. So, let's get down to business.

Print a large banner on your terminal

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I still remember those days clearly when I was taking a short term course in Unix. The Unix flavour being SCO Unix ver 5.0. The first command we were introduced to in Unix by the instructor was the 'banner' command.

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CD burning with a 2.6 kernel (IDE)

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Under the 2.4 series kernel - to be able to use an IDE CD burner we were forced to use SCSI emulation (via the kernel module ide-scsi). Under the 2.6 series kernel - this is deprecated - we now use ide-cd.

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CLI Magic: Learn to talk awk

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When it comes to slicing and dicing text, few tools are as powerful, or as underutilized, as awk. In the Linux world, every distribution includes the GNU version, gawk (/bin/awk is usually a symbolic link to /bin/gawk). The GNU version has a few more features than the original. Let's play with some of the core features common among POSIX-compliant awks.

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How to Enable Shell Commands in gedit

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You've probably heard that gedit is one of the editors in which you're able to run shell commands and have their output visible in the editor. It's just you don't know how to do it.

How To Set Up Database Replication In MySQL

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This tutorial describes how to set up database replication in MySQL. MySQL replication allows you to have an exact copy of a database from a master server on another server (slave), and all updates to the database on the master server are immediately replicated to the database on the slave server so that both databases are in sync.

Running Commercial Linux Software on FreeBSD

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One of the more intriguing capabilities of the BSD operating systems is their ability to run binaries for other Unix-like operating systems. I recently found myself requiring the commercial PGP Command Line for a project. Rather than install a Linux box just for this one piece of software, I jumped through some hoops and made it work perfectly on one of my existing FreeBSD systems.

Bringing The Power of ClamAV To The KDE Desktop

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Many people in the open source community question the need for antivirus software on a Linux or BSD system - especially a non-corporate, home system. But let me ask you, "Do you send and receive emails?"

Configuring Apache for Maximum Performance

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Apache server performance can be improved by adding additional hardware resources such as RAM, faster CPU etc.. But, most of the time, the same result can be achieved by custom configuration of the server. This article looks into getting maximum performance out of Apache with the existing hardware resources, specifically on the Linux systems.

Samba: Working Around QuickBooks 2006 Incompatability

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This HowTo addresses the incompatability that QuickBooks 2006 has with Samba-based file-sharing (the Linux de-facto standard for domain control and file sharing).

Summary: Create a new user, group and share. Access the QuickBooks files via the new user by logging onto the share with its credentials.

Learn PHP: Pretty pictures (Part 3)

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I like my web sites to be dynamic. The more dynamic, the better. And I like my sites to be pretty, despite the open source ethos of text-only ugliness - how 90s. So today we are going to get PHP to help us with images, thanks to the über-cool GD library that ships with PHP.

Fire Up your own Linux Server

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Installing a Linux distribution can be both exhilarating and frustrating. My first two attempts at Linux installs-the first in 1996, the second in 1997-were unsuccessful. Installation routines and hardware support in Linux at the time were much less advanced than they are today.

How to configure and use LIRC

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LIRC is basically a small server which can decode or transmit infra-red signals. This is a tutorial about how to set up the LIRC server and how to use it in order to control your system or specific LIRC-enabled applications with a remote control. Examples of simple or more complicated setups are also provided.

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