_README.md

Chef 11.4.0 doesn't work with Ruby 2.0.0-p0.

It's been fixed but not released yet.

knife.log

enzo:~/code/chef% knife                                                                                                                (refactor_draft|✔)
ERROR: You need to pass a sub-command (e.g., knife SUB-COMMAND)

Usage: knife sub-command (options)
    -s, --server-url URL             Chef Server URL
    -k, --key KEY                    API Client Key
        --[no-]color                 Use colored output, defaults to enabled
    -c, --config CONFIG              The configuration file to use
        --defaults                   Accept default values for all questions
    -d, --disable-editing            Do not open EDITOR, just accept the data as is
    -e, --editor EDITOR              Set the editor to use for interactive commands
    -E, --environment ENVIRONMENT    Set the Chef environment
    -F, --format FORMAT              Which format to use for output
    -u, --user USER                  API Client Username
        --print-after                Show the data after a destructive operation
    -V, --verbose                    More verbose output. Use twice for max verbosity
    -v, --version                    Show chef version
    -y, --yes                        Say yes to all prompts for confirmation
    -h, --help                       Show this message

/home/force/.rvm/rubies/ruby-2.0.0-p0/lib/ruby/site_ruby/2.0.0/rubygems/core_ext/kernel_require.rb:45:in `require': cannot load such file -- rubygems/format (LoadError)
	from /home/force/.rvm/rubies/ruby-2.0.0-p0/lib/ruby/site_ruby/2.0.0/rubygems/core_ext/kernel_require.rb:45:in `require'
	from /home/force/.rvm/gems/ruby-2.0.0-p0/gems/chef-11.4.0/lib/chef/provider/package/rubygems.rb:34:in `<top (required)>'
	from /home/force/.rvm/rubies/ruby-2.0.0-p0/lib/ruby/site_ruby/2.0.0/rubygems/core_ext/kernel_require.rb:45:in `require'
	from /home/force/.rvm/rubies/ruby-2.0.0-p0/lib/ruby/site_ruby/2.0.0/rubygems/core_ext/kernel_require.rb:45:in `require'
	from /home/force/.rvm/gems/ruby-2.0.0-p0/gems/chef-11.4.0/lib/chef/providers.rb:60:in `<top (required)>'
	from /home/force/.rvm/rubies/ruby-2.0.0-p0/lib/ruby/site_ruby/2.0.0/rubygems/core_ext/kernel_require.rb:45:in `require'
	from /home/force/.rvm/rubies/ruby-2.0.0-p0/lib/ruby/site_ruby/2.0.0/rubygems/core_ext/kernel_require.rb:45:in `require'
	from /home/force/.rvm/gems/ruby-2.0.0-p0/gems/chef-11.4.0/lib/chef.rb:25:in `<top (required)>'
	from /home/force/.rvm/rubies/ruby-2.0.0-p0/lib/ruby/site_ruby/2.0.0/rubygems/core_ext/kernel_require.rb:45:in `require'
	from /home/force/.rvm/rubies/ruby-2.0.0-p0/lib/ruby/site_ruby/2.0.0/rubygems/core_ext/kernel_require.rb:45:in `require'
	from /home/force/.rvm/gems/ruby-2.0.0-p0/gems/chef-11.4.0/lib/chef/shell.rb:23:in `<top (required)>'
	from /home/force/.rvm/rubies/ruby-2.0.0-p0/lib/ruby/site_ruby/2.0.0/rubygems/core_ext/kernel_require.rb:45:in `require'
	from /home/force/.rvm/rubies/ruby-2.0.0-p0/lib/ruby/site_ruby/2.0.0/rubygems/core_ext/kernel_require.rb:45:in `require'
	from /home/force/code/chef/.chef/plugins/knife/smartreceipt_restart.rb:6:in `<top (required)>'
	from /home/force/.rvm/gems/ruby-2.0.0-p0/gems/chef-11.4.0/lib/chef/knife/core/subcommand_loader.rb:37:in `load'
	from /home/force/.rvm/gems/ruby-2.0.0-p0/gems/chef-11.4.0/lib/chef/knife/core/subcommand_loader.rb:37:in `block in load_commands'
	from /home/force/.rvm/gems/ruby-2.0.0-p0/gems/chef-11.4.0/lib/chef/knife/core/subcommand_loader.rb:37:in `each'
	from /home/force/.rvm/gems/ruby-2.0.0-p0/gems/chef-11.4.0/lib/chef/knife/core/subcommand_loader.rb:37:in `load_commands'
	from /home/force/.rvm/gems/ruby-2.0.0-p0/gems/chef-11.4.0/lib/chef/knife.rb:119:in `load_commands'
	from /home/force/.rvm/gems/ruby-2.0.0-p0/gems/chef-11.4.0/lib/chef/knife.rb:139:in `list_commands'
	from /home/force/.rvm/gems/ruby-2.0.0-p0/gems/chef-11.4.0/lib/chef/application/knife.rb:179:in `print_help_and_exit'
	from /home/force/.rvm/gems/ruby-2.0.0-p0/gems/chef-11.4.0/lib/chef/application/knife.rb:143:in `validate_and_parse_options'
	from /home/force/.rvm/gems/ruby-2.0.0-p0/gems/chef-11.4.0/lib/chef/application/knife.rb:121:in `run'
	from /home/force/.rvm/gems/ruby-2.0.0-p0/gems/chef-11.4.0/bin/knife:25:in `<top (required)>'
	from /home/force/.rvm/gems/ruby-2.0.0-p0/bin/knife:19:in `load'
	from /home/force/.rvm/gems/ruby-2.0.0-p0/bin/knife:19:in `<main>'
	from /home/force/.rvm/gems/ruby-2.0.0-p0/bin/ruby_noexec_wrapper:14:in `eval'
	from /home/force/.rvm/gems/ruby-2.0.0-p0/bin/ruby_noexec_wrapper:14:in `<main>'