Carla Schroder

Last week we dug into the whys and wherefores of using IPv6. Today we're going to learn all about how to understand IPv6 addressing by breaking it down

Today's theme is "No Escape," or "How to use Asterisk to hunt you down and find you no matter where you are." We'll cover transferring calls,

SIP and IAX are protocols to Asterisk's VoIP operation. Learn how to configure 'channels' for them now.

Red Hat and its many clones and offspring, like Fedora, CentOS, White Box Linux, and so forth have long had a simple built-in mechanism for cloning

So there you are, dutifully wading through the documentation for whatever gnarly Linux application you're rassling into submission. You're running

Build a Secure Logging Server with syslog-ng You're not a mole, and our guide to building your own secure logging server will help you quit digging

Managing Linux system and application logging is important and a bit tricksy. You want to capture important information, not bales of noise. You need to

Deploying a new Asterisk PBX is not a trivial task, so the wise admin first sets up a test lab. This three-part subseries will show you how to be up and

Last weekwe successfully navigated the thorny thickets of wireless security standards and rampant milling acronym herds. Today we shall puncture common

Who among us has not experienced the joy of rebooting a multi-homed Linux server, and found that our network interfaces have come up in a different order,

Us amazing system and network administrators are frequently required to believe six impossible things before breakfast. Everything is supposed to be

Oldtyme Unix and Linux geeks love to rail endlessly about the wonders of the command line, and the perfect awfulness of graphical interfaces for system