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HowTos

Reducing spam with OpenBSD and spamd

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HowTos

We all know about the rampant spam email problem. Nearly all of the potential solutions offered for it are based on the idea of the mail server receiving messages, classifying them as either spam or legitimate, and then processing further (deleting or forwarding messages) as appropriate. The problem with this strategy is that you end up using extra resources on the mail server.

Beginner's Guide to Debian Etch

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HowTos

Debian is one of the most common distributions in the world. With a possible total of twenty one CDs, it is also one of the biggest. As you may have gathered from the fact that this guide exists, Debian is not the easiest distribution. However, anybody that is relatively competent with computers should be able to use Debian (after all, I am!).

Create and Extract .gz,.bz2 Files in Debian

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bzip2 and bunzip2 are file compression and decompression utilities. The bzip2 and bunzip2 utilities are newer than gzip and gunzip and are not as common yet, but they are rapidly gaining popularity. The bzip2 utility is capable of greater compression ratios than gzip. Therefore, a bzip2 file can be 10-20% smaller than a gzip version of the same file.

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.

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More in Tux Machines

digiKam Software Collection 4.3.0 released...

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Seneca College realizes value of open source

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Today in Techrights

Initial impressions of PCLinuxOS 2014.08

I spend more time looking at the family trees of Linux distributions than I do looking at my own family tree. I find it interesting to see how distributions grow from their parent distribution, either acting as an extra layer of features which regularly re-bases itself or as a separate fork. New distributions usually tend to remain similar in most ways to their parent distro, using the same package manager and maintaining similar philosophies. When I look at the family trees of Linux distributions one project stands out more than others: PCLinuxOS. Read more