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AGHI2 DNS: How DNS Works and Why You Care
A Gentle, Hands-on Introduction to the Domain Name System We will examine the Domain Name System (DNS). The DNS is much like duct tape. It has a light side and a dark side and it holds the Internet together. This course is targeted at an junior to intermediate level Linux user who has some grasp of networking and the TCP/IP protocols and wants to get a better grasp of how the DNS works. When you finish this class you will have a better idea of how the Domain Name System works, how to understand DNS transactions and some tools to help diagnose what is actually happening inside the internet. Requirements: - a laptop with a shell command line and a web browser - common linux command line utilities - a few DNS and network tools `host`, 'dig`, `tcpdump`, `tshark` Some exercises work best if you have two terminal windows onto the same computer. The course is developed using Bash on Ubuntu 16.04. All command lines will be prepared for copy-n-paste from class materials. This is a first draft course and so it is priced accordingly: $16 or PWYC.


3412 Blake St. · Denver, CO

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    What we're about

    The Software Freedom School exists to teach the world how to use and why to choose free software.

    David L. Willson and Heather L. Willson started SFS in 2013 to help teach the world free software and to feed the whole student, mind (techie classes), body (delicious food), and spirit (libre software). We host Software Freedom First Saturday at the SFS HQ or Englewood Public Library: From 11am - 3pm you can learn about free software.

    There are other events throughout the month and activities you can become involved in: Linux Camp and Study Groups to name a couple.

    Our ideal members, via Meetup, are people, just like you, looking to learn more about freedom in the software community. It could be a new graduate, a person looking to change careers, someone who is super savvy but has been using the proprietary software for too long!

    We are a community based company in the Denver area. We want to partner with hacker-spaces, maker-spaces, LUG's, small businesses, entrepreneurs, and small, free schools like us. Our goal is to teach the world how to use and why to choose free software and it would be wonderful if you joined us!

    We look forward to meeting you and are excited for you to be part of the libre community!

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