Follow the story of Ethernet from Bob Metcalfe's first sketch in 1973 to the globe-spanning network technology of today.
Unresolved emotions are anchored in painful moments of past events. Learn to live in the now by facing your personal history and dealing with its pain. Embrace the joy of the life in front of you now.
Perl has rich HTTP functionality and is a great choice for interacting with RESTful APIs. This tutorial introduces some useful Perl modules for HTTP and XML processing, leading the reader by example.
How does knowledge of the evolutionary origins of human emotion help us face the emotions we experience today? What role did emotion play in the survival of primitive human ancestors?
Follow along an example Perl script that wraps together Mac OS's built-in find and cksum utilities to build a report of files with duplicate content. Learn basic Perl concepts along the way!
Learn how to overcome roadblocks such as NAT and firewalls by taking advantage of Secure Shell port forwarding. Take advantage of SSH encryption to secure communications over untrusted networks.
Understand the fundamental differences between these two building blocks of today's Internet. Each one approaches a different set of problems. How do they get the job done?
Whether due to DMCA complaints, law enforcement inquiries, or network disruptions originating from the user edge, enterprise network admins need a plan for locating any given network participant.
A beginner's guide to a simple report script using the Unix standard utility, awk (a.k.a. gawk). Learn the basics of splitting large data sets into columns, summarizing quantities, and other tasks.
A beginner's guide to a simple report script, introducing topics such as file i/o and pattern matching, and resulting in a powerful reporting tool to summarize large text logs into concise reports