How to: Create a custom attribute in Active Directory

This article will show you how to create a custom attribute in Active Directory and associate it with the User Class. You must be a Schema Admin to complete these steps. For this example I’ll show you how to add a Favorite Beer attribute. (Why isn’t this in there already!)

Disclaimer: Editing the AD schema should not be taken lightly. Changes can be irreversible. Do this at your own risk!

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Top 10 things all new Simplivity admins must know

Simplivity_logo

First off, PLEASE don’t take these as a negative view toward the product. That is not the intent here.  These are simply some things I have learned that I feel should be shared.   Simplivity has become the fastest growing infrastructure company to achieve a valuation of over $1 Billion, EVER.   And I really am blown away by their product.  There is still no better or cheaper way to give yourself a hyper-converged infrastructure. I will leave all that for a more thorough review later.  But based on my experience, these are things you need to know if you’re thinking making the plunge in to Simplivity.

–Update:
I replaced an item on the list regarding advertised usable memory.  Simplivity has fixed this.

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How to flush the DNS cache on Mac OS X

There are so many unnecessarily long articles on how to do this. So here’s the short version \ TLDR of how to flush (or reset) the DNS cache on Mac OS:

Open up a Terminal window and enter the following command (choose the correct OS) to flush the DNS cache. Enter your password when prompted.

MacOS 11 – Big Sur

sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder

Mac OS X 10.7, 10.8 & 10.9 & 10.10

sudo killall -hup mDNSResponder

Mac OS X 10.6

sudo dscacheutil -flushcache