generate unused hostnames by randomly picking from a word list
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genhost
This script will randomly generate hostnames by picking words from the provided word list. The pool of words comes from Oren Tirosh's mnemonic encoding project.
Usage
Just run the script and provide the number of hostnames you'd like to generate:
$ ./genhost 4 romeo.example.com holiday.example.com jester.example.com spiral.example.com
All of those words will automatically be commented out in the word list and thus removed from the pool of future names. If a hostname has the potential to be confusing based on technical jargon (like
email.example.com), simply ignore it and generate a replacement.
If you decommission a server, you can return its hostname to the usable pool, thereby uncommenting it in the wordlist:
$ ./genhost reuse jester
You can also print a list of the hostnames currently marked as in use:
$ ./genhost list romeo holiday spiral
For collaboration purposes, don't forget to commit the updated word list back to a shared Git repository so names do not get reused:
$ git add wordlist $ git commit $ git push