The hosts map is the the abbreviated name for the hosts.byname map. The derived maps are hosts.byname and hosts.byaddr. In most cases, the NIS map is created from the /etc/hosts file. A typical line looks like this:
host_ip_address host_name [alias,...] # comment
For example:
127.0.0.1 localhost.localdomain localhost 192.168.22.1 arcade.cendura.net arcade arc1 # clustername
For the hosts.byname map, entries are defined like this:
- Key is the host name: localhost
- Value is the IP address and any aliases defined for the host: 127.0.0.1 localhost.localdomain localhost
For the hosts.byaddr map, entries are defined like this:
- Key is an address: 127.0.0.1
- Value is the IP address and any aliases defined for the host: 127.0.0.1 localhost.localdomain localhost
If you create a hosts map in Active Directory, you must include the key as part of the value. For example:
- Key: 127.0.0.1
- Value: IP address and any aliases defined for the host:
127.0.0.1 localhost.localdomain localhost - Comment: The value includes both the host name and IP
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