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Unix+clones Postfix performance tuning
Post date: May 21, 2005, 07:05 Category: Optimizing Views: 82
Tutorial quote: Postfix is fast out of the box, but like other packages, you can usually tune it to work even faster. Furthermore, there are situations where Postfix may not perform as well as you expected, whether because of hardware or software limitations on the server system or other adverse conditions, such as a big influx of spam or undeliverable mail. This article shows you how to find and analyze the most common performance problems.
Linux Cutting the tcp/ip network connection with cutter
Post date: December 12, 2005, 22:12 Category: Network Views: 51
Tutorial quote: Recently I came across very powerful and nifty tool (used by one of our Sr. network admin). Just imagine that people in your private network using peer to peer software such as Kazaa, iMesh or others and you want to cut them or just want to cut all ftp connection over my firewall but not all traffic to host.
Debian Mailman with Postfix Configuration
Post date: April 10, 2006, 14:04 Category: Software Views: 16
Tutorial quote: Mailman is free software for managing electronic mail discussion and e-newsletter lists. Mailman is integrated with the web, making it easy for users to manage their accounts and for list owners to administer their lists. Mailman supports built-in archiving, automatic bounce processing, content filtering, digest delivery, spam filters, and more.
FreeBSD Secure Batch Email on FreeBSD with UUCP and SSH
Post date: April 18, 2005, 22:04 Category: Network Views: 43
Tutorial quote: Not everyone has reliable, always-on Internet access. For some, reliability has to come through software, not hardware. Fortunately, protocols designed to work around slow and unreliable networks still work. Christophe Prevotaux demonstrates how to set up FreeBSD, Postfix, and SSH to send and receive email via UUCP.
Debian Ruby on Rails on Debian
Post date: January 10, 2006, 12:01 Category: Network Views: 65
Tutorial quote: Most of you have probably heard of Ruby on Rails and may be wondering what exactly it does and how you can try it for yourself. Put simply, Rails is a web application framework that uses the model-view-controller software design pattern to allow for rapid development of web applications. This article will cover how to install Rails on Debian and how to configure it to work with Apache and a relational database of your choice.
Debian Routing mail messages to your mailserver efficiently
Post date: May 12, 2006, 08:05 Category: Network Views: 2
Tutorial quote: If you control satellite systems which need to relay their mail through a centralized host for sending then you have several choices. Perhaps the simplest software to use is the nullmailer program.

In the past we've looked at setting up exim, postfix, and sendmail forwarding but if you're not expecting to send much mail, and you don't need much processing then running a full mailserver is probably overkill.

The nullmailer package is very simple to configure and install.
Debian Monitoring your hardware's temperature
Post date: January 5, 2006, 04:01 Category: Software Views: 90
Tutorial quote: Sometimes it is useful to know the temperature of your hardware, to prevent it from frying. This information can easily be found, if your hardware provides the sensors needed, and we have the necessary software.

Most computers come with temperature sensors, which can be used to prevent your hardware from excessive heat. The most important thing to watch is, of course, your CPU temperature. This is where lm-sensors comes in.
Unix+clones DNS name serving through NSD
Post date: July 5, 2005, 02:07 Category: Network Views: 80
Tutorial quote: Given the sheer importance of name servers in providing Domain Name System (DNS) resolution -- a process used by every Web-facing application to translate domain names into IP addresses and vice versa -- not many people put much thought into the available software alternatives for pulling off this feat. One compelling application is NSD, an alternative to the widely deployed BIND name server.
Unix+clones How-To: Stream almost anything using VLC
Post date: November 29, 2005, 15:11 Category: Software Views: 77
Tutorial quote: The VLC media player is an amazing piece of software. In its most basic form it is a lightweight media player that can play almost any audio or video format you throw at it. VLC is also multiplatform in the most extreme sense of the word; it can run on Windows, OSX, Linux and PocketPC / WinCE handhelds along with other systems. VLC works great as a streaming server and video transcoder too.
Unix+clones Introduction to Python
Post date: April 17, 2005, 05:04 Category: Programming Views: 53
Tutorial quote: Ok, first part is going to be fairly boring, but put up with it. Im just going to go through a few reasons why you should choose Python as a language to learn. First off it free!, there is no cost involved in gettin Python, although there is a license, but this is just a standard license that goes with all free and open source software. Python is an open source language, as is the interpreter (Python is written in C).