SANS Cheat sheets - Security cheat sheets from The SANS Institute
Windows PowerShell 4.0 and Other Quick Reference Guides - Several Cheat Sheets from PowerShell Magazine and Microsoft
A tcp packet walks in to a bar and says “I want a beer”, barman says “you want a beer?” and tcp packet says “yes, a beer”
Teredo tunneling is Microsoft's implementation for IPv6 over IPv4. The Teredo navalis is a species of saltwater clam also known as the naval shipworm that destroy submerged wood.
There is no real rhyme or reason to this page. It is just a list of quotes I have seen and liked.
I am a great believer in luck, and I find the harder I work, the more I have of it. -Thomas Jefferson
In ancient times cats were worshipped as gods; they have not forgotten this. - Terry Pratchett
When Thomas Edison worked late into the night on the electric light, he had to do it by gas lamp or candle. I'm sure it made the work seem that much more urgent. - George Carlin
The SANS Institute provides some of the best security training in the industry. Many of their classes include the so called "Cheat Sheets" which are short documents packed with useful commands and information for a specific topic. I have linked as many as I am aware of below.
Most of these will require a login to the SANS website. Accounts are free.
Active Directory Audit Report With Powershell - This appears to be a rather thorough AD reporting script created by Zachary Loeber.
Below are several links I have found useful.
Active Directory Maximum Limits - Scalability