$ jekyll serve --drafts --watch
/var/lib/gems/2.3.0/gems/bundler-2.0.1/lib/bundler/spec_set.rb:87:in `block in materialize': Could not find concurrent-ruby-1.2.2 in any of the sources (Bundler::GemNotFound)
Tried some of the things internet proposes, but no luck.
Following the README I got:
Tried some of the things internet proposes, but no luck.