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HowTos

Howto install a content filtering and virus checking proxy (Part I)

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HowTos

All Internet content carries a risk. Content Filtering helps companies and home users to stop unwanted data. It is used as part of Internet Firewalls or Proxy Servers to screen the content of all incoming Internet traffic. Content filtering usually works by specifying character strings that, if matched, indicate undesirable content that is to be screened out.

Unix Processes - What constitute a Process

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HowTos

A process is a fundamental part of any operating system - irrespective of whether they are proprietary or Free. And all Operating systems usually have a lot of processes running at any given time. This begs the question, what exactly is a process ?

Linux clusters vs. grids

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HowTos

When most people think of Linux clusters, they think they are used for load-balancing purposes only. Yet, that's not the only functionality that makes Linux clusters on par with mainframes or high-end, mid-range Unix servers for many jobs. In this tip, I'll examine Linux cluster options and similar server approaches, like grid computing.

Solution: Converting flac to mp3

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HowTos

Sometimes you need to convert a load of flac files to mp3's, for example when wanting to listen them on your mp3 player. This solution contains a single line of bash that'll convert all flac files in the current directory to mp3's, keeping the flac files.

Note that you will need flac and lame for this to work. Run the following line in the directory where the flac files are:

Desktop Data Manager(DDM) for Ubuntu Desktop

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HowTos

Desktop Data Manager is a Clipboard Manager for GNOME similar to Klipper for KDE. With DDM it is possible to display different types of content like text or images.Additional DDM includes a screenshot taking application which is able to take screenshots from a single window/subwindow, rectangle of the screen or the whole desktop.

Desktop Data Manager Features:

The Perfect Setup - Debian Etch (Debian 4.0)

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Linux
HowTos

This tutorial shows how to set up a Debian Etch (Debian 4.0) based server that offers all services needed by ISPs and hosters: Apache web server (SSL-capable), Postfix mail server with SMTP-AUTH and TLS, BIND DNS server, Proftpd FTP server, MySQL server, Courier POP3/IMAP, Quota, Firewall, etc.

Remotely view and control another users X11 session

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HowTos

As a system administrator it is often desirable to remotely connect to the users computer to see exactly what they are doing and possibly show them how to click on that funny penguin picture thingamabob so they can play Frozen Bubble. A single one line command in K/Ubuntu linux will connect to a remote computer and enable the display of the desired users X11 session.

Debian/Ubuntu tip - flushing out your repository cache

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HowTos

The Aptitude package management system built into Debian, Ubuntu and other Debian-derived distributions is top quality and makes it really easy to get software from out there on to your machine from one convienient interface.

Learn how UNIX multitasks

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HowTos

On UNIX systems, each system and end-user task is contained within a process. Learn how to control processes and use a number of commands to peer into your system.

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