Customizing Printer Frontend


at the moment I'm testing the Repetier Server on an Raspberry Pi 3 and would like to customize the Frontend. I try to follow this page:

I was able to download the source code but to compile it I need ruby and sass. After installing Ruby 2.1.5p273 and Rubygems I tried to install sass. But here I get the error message:

ERROR: Error installing sass:
             sass-listen requires Ruby Version >= 1.9.3.

I tried to google this error but without any luck. Do you have any idea what could go wrong?

Best regards,


  • Sounds like you have already an old ruby version somewhere else and that gets found first.
    Try ruby -version to see which ruby responds first. 
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