October 2012
Intermediate to advanced
408 pages
9h 41m
English
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Prerequisites
Before running Open Directory, you need to properly configure two aspects of your network: domain name service (DNS) and time synchronization for Kerberos.
Checking for proper DNS setup
If, during initial setup, you configured Server Setup Assistant so that it created an Open Directory master for you, it should have also set up DNS. If you didn’t do this configuration during initial setup or have a DNS server running on another server, you’ll need to ensure that DNS is configured to support Open Directory.
Properly configured DNS is critical to the configuration and normal operation of an Open Directory domain. All Open Directory servers need static IP addresses, a zone with the host domain name, and two types of records: a fully qualified DNS address (A) and pointer (PTR) records. Verify the server’s DNS records prior to promoting an OS X Server to either master or replica status.
In an A record, also called a machine record, the system’s host name is resolved to an IP address. That is, when another computer requests the IP address for a given domain name, the machine record supplies it. A pointer (PTR) record, also known as a reverse lookup, resolves a domain name for any given IP address. Reverse resolution inquires about an IP address and returns the host name.
By default, the domain’s LDAP search policy and Kerberos realm are the same as the fully qualified host ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.