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Unix+clones

How To Automate Spamcop Submissions

Post date: May 26, 2006, 07:05 Category: Network Views: 3055 Comments
Tutorial quote: Spamcop is a service which provides RBLs for mailservers in order to reject incoming mail from spammers.

Their philosophy is to process possible spam complaints from users. When they receive a certain amount of complaints during a time-period then they will blacklist the offender. This system is dependant on spam reporting from users. However, their submission process is not very user-friendly.

As I have said above, Spamcop is pretty much dependant on the user input. If no one submits and verifies spam, then they will have no blacklist. However that whole submission and verification process is a bit annoying. Why should I bother to actually submit spam to spamcop and have it verified? If I just delete it, that will take less time...

The human being isn't really made to do repeating things. This gets quickly boring and hence my idea to automate this submission and verfication process.
In this howto I will show you how I achieved that. All I do is just putting the spam into certain folders and our good old friend cron does the rest.
Linux

Linux 2.6: Compiling and Installing

Post date: April 15, 2005, 22:04 Category: System Views: 2816 Comments
Tutorial quote: We'll look at the process of compiling and installing a new kernel safely, without overwriting the existing kernel.

You can install as many kernels as you like on a Linux system, and select the one you want to run at boot time. This makes it easy to test different kernels, and different kernel configurations, with particular sets of hardware or applications. The wise network admin always tests new kernels before running them on production machines.
OpenBSD

Transparent proxying with squid and pf

Post date: May 17, 2005, 08:05 Category: Network Views: 12038 Comments
Tutorial quote: squid is a caching web proxy, it's set up between web browsers and servers, fetching documents from servers on behalf of browsers. It can accelerate web access by caching frequently requested pages and serving them from its cache. It can also be used to filter pop-up ads and malware or to enforce access control (which clients may request what pages based on different authentication methods).

Traditionally, the proxy is an optional component, and browsers are configured to actively use the proxy. Transparent proxying means forcing all web traffic through the proxy without the cooperation (or knowledge) of the clients. Once all browser connections pass through the proxy, outgoing connections to external hosts can be restricted to the proxy, and direct connections from local clients can be blocked.

The OpenBSD packet filter (pf) can be used to redirect connections based on various criteria, including source and destination addresses and ports. For instance, one can redirect all TCP connections with destination port 80 (HTTP) that arrive through an interface connected to local workstations to a squid proxy running on a different address and port.
Ubuntu

Installing Popular Applications On Your Ubuntu Desktop With Automatix2

Post date: December 5, 2006, 20:12 Category: Desktop Views: 3148 Comments
Tutorial quote: Although Ubuntu comes with lots of applications that can be installed on your desktop, there are still some applications that are available only from third-party repositories. Finding all these repositories and installing these applications manually is very time-consuming, but fortunately some people have created a script called Automatix2 (which is the successor to Automatix) which automates the task for you. It comes with a graphical interface so that you can run it from your desktop, and this tutorial describes how you do it.
Ubuntu

The extremely simple guide to installing Ubuntu using Wubi

Post date: October 12, 2008, 17:10 Category: Installing Views: 3860 Comments
Tutorial quote: Many people are put off using Ubuntu because of installation issues. Not that installation is difficult, of
course, but for the true non-technical user, it’s equivalent to scaling Mount Everest.

This guide is for them. It’s a step-by-step guide to installing Ubuntu for complete and utter beginners. If you
have a relative, or friend, who would like to try Ubuntu, but who is frankly scared of the prospect, then send them a link to this posting! It assumes zero prior knowledge.
Ubuntu

Installing VirtualBox 2.0.0 On Ubuntu 8.04 Desktop

Post date: September 18, 2008, 10:09 Category: Installing Views: 3180 Comments
Tutorial quote: This tutorial shows how you can install Sun xVM VirtualBox on an Ubuntu 8.04 desktop. With VirtualBox you can create and run guest operating systems (virtual machines) such as Linux and Windows under a host operating system. There are two ways of installing VirtualBox: from precompiled binaries that are available for some distributions and come under the PUEL license, and from the sources that are released under the GPL. This article will show how to set up VirtualBox 2.0.0 from the precompiled binaries.
Unix+clones

Get More Out of Your Pipe with Apache and mod_gzip

Post date: April 14, 2005, 13:04 Category: Network Views: 2473 Comments
Tutorial quote: Some Web sites seem like they are designed to annoy and alienate visitors. Teeny tiny fixed fonts, weirdo fixed page widths, ad servers on Mars, and the content won't load until the ads do, and all kinds of dynamic jiggery-pokery that does everything but quickly deliver a nice, readable page.

Webmasters who are serious about running high-performance Web servers, and who want pleased and delighted visitors, have a great tool in Apache 1.3's mod_gzip. mod_gzip compresses pages on the fly, reducing their size considerably. Depending on the types of files served, you'll see size reductions ranging from 20%- 80%, and a nice increase in server efficiency. Nothing is needed on the client side, except sane modern Web browsers like Mozilla, Firefox, Opera, Galeon, and Konqueror. Mozilla, Firefox, and Opera are nice cross-platform browsers with all kinds of neat features, so don't be afraid to standardize on one of them.
OpenSUSE

Hacking OpenSUSE

Post date: December 3, 2005, 17:12 Category: System Views: 6784 Comments
Tutorial quote: There's more to SUSE Linux than simply installing it and going to work. To get the most from the operating system, you'll probably want to do some post-install fine tuning. This article by Jem Matzan explains how to: add download sources to YaST; install the Mozilla Thunderbird email client; add support for Java, Flash, Acrobat, Windows Media, MP3s, and RealMedia; play DVDs -- and more. It serves as a useful supplement to Steven J. Rosen's excellent how-to, "Installing SUSE Linux 10 on a Laptop," recently published here on DesktopLinux.com. Enjoy . . . !
Fedora

Installing VirtualBox 3.0 On A Fedora 11 Desktop

Post date: July 21, 2009, 11:07 Category: Desktop Views: 2156 Comments
Tutorial quote: This tutorial shows how you can install Sun VirtualBox 3.0 (released on June 30, 2009) on a Fedora 11 desktop. With VirtualBox you can create and run guest operating systems ("virtual machines") such as Linux and Windows under a host operating system. There are two ways of installing VirtualBox: from precompiled binaries that are available for some distributions and come under the PUEL license, and from the sources that are released under the GPL. This article will show how to set up VirtualBox 3.0 from the precompiled binaries.
Ubuntu

Installing VirtualBox 3.0 On An Ubuntu 9.04 Desktop

Post date: July 9, 2009, 09:07 Category: Desktop Views: 4633 Comments
Tutorial quote: This tutorial shows how you can install Sun VirtualBox 3.0 (released on June 30, 2009) on an Ubuntu 9.04 desktop. With VirtualBox you can create and run guest operating systems ("virtual machines") such as Linux and Windows under a host operating system. There are two ways of installing VirtualBox: from precompiled binaries that are available for some distributions and come under the PUEL license, and from the sources that are released under the GPL. This article will show how to set up VirtualBox 3.0 from the precompiled binaries.
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