Articles by Carla Schroder 

Asterisk: Give VoIP Traffic the Green Light (Part 3)

With Linux and Wondershaper you can tune your network's VoIP traffic and improve the quality of your calls.

Do Automated Cross-Platform Network Backups The Easy Way

Networked backup software can introduce a bewildering variety of licensing issues and costs. Some free and open source choices come to the rescue.

VoIPowering Your Office with Asterisk: Getting Free Long Distance

"Peering" with a centralized directory service is one way your Asterisk server can become a gateway to toll-free calling, worldwide.

Automate Linux Installations with Debian Pre-Seeding (Part 2)

If you need to roll out a collection of servers or just want a way to get new ones in service quickly, Debian pre-seeding makes it easy. Here's how with CDs, floppies and USB sticks.

Asterisk: Give VoIP Traffic the Green Light (Part 2)

With Linux and Wondershaper you can tune your network's VoIP traffic and improve the quality of your calls.

VoIPowering Your Office with Asterisk: Giving VoIP Traffic the Green Light, Part 3

To get maximum VoIP performance our of your network, you'll need to roll up your sleeves and grapple with some serious Linux code and concepts. We'll help.

Automate Linux Installations with Debian Pre-Seeding

If you need to roll out a collection of servers or just want a way to get new ones in service quickly, Debian pre-seeding makes it easy.

Asterisk: Give VoIP Traffic the Green Light

Optimzing your network traffic for voice traffic can cure a lot of VoIP's ills, from echo to dropped calls.

VoIPowering Your Office with Asterisk: Giving VoIP Traffic the Green Light, Part 2

The otherwise complex craft of traffic shaping is made simple by the use of the wonderful utility Wondershaper.

The Penguin's Practical Network Troubleshooting Guide, Part 2

We're back with more tools for your Linux network troubleshooting toolkit: The gregarious mtr and even humble telnet.

VoIPowering Your Office with Asterisk: Giving VoIP Traffic the Green Light

For voice to travel over IP networks with good quality requires something akin to the HOV (high-occupancy vehicle) lane on your local highway.

The Penguin's Practical Network Troubleshooting Guide

Your basic network troubleshooting toolkit isn't complete without these three essential apps.

VoIPowering Your Office with Asterisk: Securing Your Server, Part 2

To complete the protection of your server from external attacks, you'll want to disable root logins. Here's how.

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