Original computing articles by a systems administrator

Monthly Archives: January 2009

How-to: Setup up an Emulated Cisco Lab Using GNS3 in Ubuntu, Part1

Introduction: GNS3 is a graphical network simulator that is integrated with the Cisco router emulator Dynamips.  In this tutorial I will explain how to connect your Linux host to an emulated 7200 series router, then that router to another 7200 router, and finally that second router will be connected to a Linux VM running inContinue Reading

Book Review: Learning Nagios 3.0

Wojciech Kocjan’s Learning Nagios 3.0 is a clear and gentle introduction that takes readers through the basics and introduces them to the more advanced topics of infrastructure monitoring with Nagios. The writing has a good balance of concise technical information while also providing thorough examples in a tutorial style. This keeps the book from beingContinue Reading