Linux

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Changing From SquirrelMail To Atmail Open With ISPConfig 3

Changing From SquirrelMail To Atmail Open With ISPConfig 3

Atmail Open is an open source webmail client which is available free of charge and is a great alternative to Squirrelmail. This tutorial shows how to use it with ISPConfig 3 (instead of SquirrelMail).

How To Test Your Dansguardian, Safesquid, POESIA, Parental Internet Filter Or We-Blocker Keyword Filter Anytime Anywhere

How To Test Your Dansguardian, Safesquid, POESIA, Parental Internet Filter Or We-Blocker Keyword Filter Anytime Anywhere

Keyword filters block unwanted web pages on the basis of potentially fallen words found in them. However, to be sure that a page is indeed offensive, keyword filters nowadays are not designed to block sites on the basis of just about any potentially offensive word. Instead they measure the number of potentially offensive phrases and often the number of times they occur so as to allow a limited number of occurrences in pages such as those on anatomy, forms requiring gender information, crime reports, statistical reports, administrative information, art etc. The leading keyword blockers like Dansguardian which is extremely popular on Linux or SafeSquid which is popular on Linux and Windows use this method known as a weighed keyword score.

How To Monitor Your Linux Server With SMS Alerts And Performance Graphs

How To Monitor Your Linux Server With SMS Alerts And Performance Graphs

This tutorial shows how you can monitor your Linux server with a tool from Bijk - with email and SMS alerts. Bijk is an open source application, for creating live graphs and alerts, thus monitoring your server performance. With the Basic version of Bijk, you can easily set up email alerts for monitoring almost everything on your server (system overload, disk space usage, Apache troubles, MySQL, etc.).

CIITIX-VoIP 1.0 How-To

CIITIX-VoIP 1.0 How-To

This document can be a used as a rough guide to installation of CIITIX-VOIP on a persistent media. It also describes the basic usage. CIITIX-VoIP is a carrier grade VoIP server distribution, leveraging upon the great efforts of the open source community. CIITIX-VoIP is based on rock solid Debian Lenny. This distribution comes as a turn-key solution to any company (small, medium to large scale) wishing to deploy a SIP-based presence service à la Skype. Laced with accounting, NAT and DB backend based features, setting up a SIP based setup is a breeze, achievable within 7 minutes.

How To Set Up A Wireless Network Using WPA/WPA2 With Radius Authentication With CIITIX-WiFi

How To Set Up A Wireless Network Using WPA/WPA2 With Radius Authentication With CIITIX-WiFi

This document serves as quick guide on how to set up a wireless network using WPA / WPA2 with radius authentication. This document will only cover the basics and is not exhaustive of all possibilities and features but with this information and basic networking skills you should be able to get running very soon. I decided to do this guide for the users wanting to try out and implement radius authentication for WiFi security.

How To Configure The AIDE (Advanced Intrusion Detection Environment) File Integrity Scanner For Your Website

How To Configure The AIDE (Advanced Intrusion Detection Environment) File Integrity Scanner For Your Website

A file integrity scanner is something you need to have.  Imagine a hacker placing a backdoor on your web site, or changing your order form to email him a copy of everyone's credit card while leaving it appear to be functionally normally. By setting up daily reporting, this notifies you within, at most, 24 hours of when any file was changed, added, or removed.  It also helps establish an audit trail in the event your site is compromised. These instructions are designed for an end user, where you don't need to have root access, to implement and assumes your server has the aide binary installed.  Most hosts will have this installed already, or will install it for you upon request.

Adding Custom Certificates To CIITIX-WiFi

Adding Custom Certificates To CIITIX-WiFi

CIITIX-WiFi is a turnkey solution to your WiFi hotspot needs. Built onto the rock solid stable debian linux, setting up a secure (TTLS) WiFi hotspot is just a minute away. This guide shows how to set up an AAA server (authentication, authorization and accounting) with CIITIX-WiFi. CIITIX-WiFi comes with certificates valid till 2020 but  in case someone want to use their own certificates this tutorial can come in handy.

How To Change The Date And Time From The Console

How To Change The Date And Time From The Console

This short tutorial explains how you can modify your system date and time from the console.

Flexnet License Monitoring With rrdtool

Flexnet License Monitoring With rrdtool

Some of you may know the commercial Flexnet Licencing Application (©Macrovision). It's a client-server based solution for managing the usage of socalled Flexnet-enabled applications. You can hold licenses of more than one product on one license-server. As you typically have to buy licenses and licenses can be expensive it would be nice to have a monitoring solution, to see the utilization of the precious licenses, wether they are underutilized (so money is wasted) or are always fully utilized (so that you can suspect that sometimes people can not do their work, or only delayed) which is also a waste of resources. As far as I know there are commercial applications for performing such reports, but again you have to spent money. Why not build a simple system yourself, which shows the actual and past usage in an "MRTG style"?

Ghosting The Machine

Ghosting The Machine

This is a short but potentially extremely handy guide to ghosting one Linux box to another (or simply making a full backup of a desktop/server). You might have a small office where you customise one desktop just how you like it and need to roll this out to N other PC's or simply want a backup of a server or desktop to another machine or even to an image file. The main tool here is netcat which is extremely powerful and has a multitude of other great uses that won't be covered here.

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