With (R)?ex you can manage all your boxes from a central point through the complete process of configuration management and software deployment.
There are several methods to install (R)?ex: use your distro's package manager, download it from CPAN or build it from source. Check out the Get Rex page on the website for the different options, and choose the one that fits you best.
We have a Getting started guide on the website that should help you with the first steps.
If a new user has difficulties to get on board, then it's a bug. Let us know!
Feel free to join us on irc.freenode.net in the #rex channel, ask us on the Rex Users on Google Groups, or browse and open issues on GitHub.
If you need commercial support for (R)?ex, check out the Support page on the website.
All contributions are welcome: documentation, patches, bug reports, ideas, promoting (R)?ex at conferences and meetups, or anything else you can think of.
For more details, see the Help (R)?ex page on the website.