Installing & Configuring Linux Webmin - Linux Web-Based Administration

Linux Administration made easy with Webmin. Learn how to fully administer Linux via web-based interface. Covered topics include: Webmin installation, linux user & group management, file system, disk quota, linux bootup & shutdown process, log files, dns server, dhcp server, ftp server, linux backup, cron jobs, ssh server, apache http server and much more.

http://www.firewall.cx/linux-knowledgebase-tutorials/linux-administration/880-linux-webmin-config.html

Configuring Domain Group Policy for Windows 2003

This article shows you how to configure a Windows Domain Group Policy to control and restrict user access to your servers and local machines. Step-by-step instructions provide all the necessary information to configure your domain group policy.

http://www.firewall.cx/microsoft-knowledgebase/windows-2003-server/241-domain-group-policy.html

Cisco CallManager Express Basic Concepts - Part 2

Cisco Call Manager Express & UC 500, UC520, UC540 Basic Concepts. This article explains the basic concepts found in CCME and UC500 series. This article covers the concept of ephone and ephone-dn. Why they are and how they are used to create extensions and assign them to IP Phones. We also explain what a codec is and take a look at the two most popular codecs G711 and G729 and explain their differences.

http://onlywire.com/r/84696044

How To Secure Your Cisco Router Using Cisco AutoSecure Feature

This article covers the Cisco AutoSecure feature and explains how it can be used to properly secure your Cisco router(s) using Cisco's recommended security practices.

http://www.firewall.cx/cisco-technical-knowledgebase/cisco-routers/865-how-to-secure-your-cisco-router-using-cisco-autosecure-feature.html