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I want to run a couple of web apps and services on my Mac. (10.8.2 Server) For every webapp/service I create a seperate user to make it more secure. (So i can sandbox them in their home directory)

I did this already in Lion. I created a user named 'org.example.webapp.myshop' with uid 301. (and a group with the same name and gid)

With the upgrade to Mountain Lion this user got deleted, the group is still there.

2 Questions:

  1. Why was the user deleted? First I thought it was because the periods in the name might not be allowed, but I have an user built-in. That's one from Apple.
  2. Is there a better method to create a system user.
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