Весьма примечательный сервис — http://confiles.com
Давно ждал чего-то подобного.

In CONFiles you can store your configurations files and share them with other people or access them remotely anytime and from everywhere. Have you ever missed your old xorg.conf or that htaccess file with IP restrictions? Do you often setup different computers in different locations? If so, confiles will be useful for you.

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