Quando eu executo o comado dentro da pasta criada pelo rails o terminal imprime o seguinte erro:
error occurred while installing json (1.8.6), and Bundler cannot continue.
Make sure that `gem install json -v '1.8.6'` succeeds before bundling.Tentei copiar e intalar a gem da mesma forma q está aí o seguinte erro é impresso no terminal:
Building native extensions. This could take a while...
ERROR: Error installing json:
ERROR: Failed to build gem native extension.
current directory: /var/lib/gems/2.3.0/gems/json-1.8.6/ext/json/ext/generator
/usr/bin/ruby2.3 -r ./siteconf20171116-18030-1xevbd.rb 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/2.3.0/gems/json-1.8.6 for inspection.
Results logged to /var/lib/gems/2.3.0/extensions/x86_64-linux/2.3.0/json-1.8.6/gem_make.outGostaria de saber como devo proceder, agradeço desde já pela ajuda
PS: estou tentando instalar no Linux Mint
