hello im getting An error occurred while installing nokogiri (1.8.1), and Bundler cannot continue. Make sure that `gem install nokogiri -v '1.8.1'` succeeds before bundling. what should i do to reslove this

[saiph...@gmail.com]

Fetching nokogiri 1.8.1

Installing nokogiri 1.8.1 with native extensions

Gem::Ext::BuildError: ERROR: Failed to build gem native extension.

    current directory: /home/localadmin/drs/drspickups/vendor/bundle/ruby/2.3.0/gems/nokogiri-1.8.1/ext/nokogiri

/usr/bin/ruby2.3 -r ./siteconf20171105-15305-m7vlyp.rb extconf.rb --use-system-libraries

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 /home/localadmin/drs/drspickups/vendor/bundle/ruby/2.3.0/gems/nokogiri-1.8.1 for inspection.

Results logged to /home/localadmin/drs/drspickups/vendor/bundle/ruby/2.3.0/extensions/x86_64-linux/2.3.0/nokogiri-1.8.1/gem_make.out

An error occurred while installing nokogiri (1.8.1), and Bundler cannot continue.

Make sure that `gem install nokogiri -v '1.8.1'` succeeds before bundling.

In Gemfile:

  activeadmin_addons was resolved to 1.0.1, which depends on

    xdan-datetimepicker-rails was resolved to 2.5.4, which depends on

      rails was resolved to 5.1.4, which depends on

        actioncable was resolved to 5.1.4, which depends on

          actionpack was resolved to 5.1.4, which depends on

            actionview was resolved to 5.1.4, which depends on

              rails-dom-testing was resolved to 2.0.3, which depends on

                nokogiri

[Mike Dalessio]

Hi, sorry you're having trouble.

Please read the installation tutorial at http://nokogiri.org which should help you install required dependencies.

If that doesn't help, please let us know by replying.

Cheers,

-m

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