pi@rpi-home:~ $ sudo gem install atomic Building native extensions. This could take a while... ERROR: Error installing atomic: ERROR: Failed to build gem native extension. /usr/bin/ruby2.1 extconf.rb mkmf.rb can't find header files for ruby at /usr/lib/ruby/include/ruby.h extconf failed, exit code 1 Gem files will remain installed in /var/lib/gems/2.1.0/gems/atomic-1.1.99 for inspection. Results logged to /var/lib/gems/2.1.0/extensions/arm-linux/2.1.0/atomic-1.1.99/gem_make.out
sudo apt-get install ruby-devdoesn’t fix it, you can capture a list of all of the currently installed packages with
dpkg -l > packages.txtto see what you have. Feel free to post that package list on a Github gist or something, and post a link to it here.
sudo apt-get install ruby-dev && sudo gem install backup`` and now I'm seeingBuilding native extensions. This could take a while...`
before :archive do <code> end
“This project is not under active development, although we will continue to provide support for current users, and at least one more maintenance release: version 5.0. The version 5.0 release will include support for Ruby 2.4, and various other fixes. Future releases of Backup will only include bug fixes.
If you use this project and would like to develop it further, please introduce yourself on the maintainers wanted ticket."