16.6. Editing Host Addresses
Host addresses are mappings between an IP address and one or more hostnames that are stored in the /etc/hosts file on your system. Because they are stored locally, they can be looked up at any time, even when a DNS server is not accessible. On a small network with only a few systems, you may choose not to run a DNS server at all, but instead keep the addresses of every system in the hosts file on each system. In fact, this is what was done in the early days of the Internet before DNS was developed.
To view the addresses on your system, click the Host Addresses icon on the module's main page. There will always be an entry for localhost, and probably one for your system's hostname as well. If your system's IP address ...
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