gistfile1.txt

jw@logopolis:/projects/name/wwwchruby
   rbx-2.5.1
   rbx-2.5.2
   rbx-2.5.7
   rbx-2.5.8
   ruby-1.9.3-p448
   ruby-2.1.3
   ruby-2.1.6
   ruby-2.2.2
 * ruby-2.2.3
 
jw@logopolis:/projects/name/www$ ruby -v
ruby 2.2.3p173 (2015-08-18 revision 51636) [x86_64-linux]

jw@logopolis:/projects/name/www$ which ruby
/opt/rubies/ruby-2.2.3/bin/ruby

jw@logopolis:/projects/name/www$ which bundle
/home/jw/.gem/ruby/2.2.3/bin/bundle


jw@logopolis:/projects/name/www$ bundle
Your Ruby version is 1.9.3, but your Gemfile specified 2.2.3

jw@logopolis:/projects/name/www$ gem install bundler
Successfully installed bundler-1.10.6
Parsing documentation for bundler-1.10.6
Done installing documentation for bundler after 3 seconds
1 gem installed

jw@logopolis:/projects/name/www$ gem install bundler
Successfully installed bundler-1.10.6
Parsing documentation for bundler-1.10.6
Done installing documentation for bundler after 3 seconds
1 gem installed

jw@logopolis:/projects/name/www$ which -a bundle
/home/jw/.gem/ruby/2.2.3/bin/bundle
/usr/local/bin/bundle

jw@logopolis:/projects/name/www$ which -a ruby
/opt/rubies/ruby-2.2.3/bin/ruby
/usr/bin/ruby

jw@logopolis:/projects/name/www$ which -a gem
/opt/rubies/ruby-2.2.3/bin/gem
/usr/bin/gem

jw@logopolis:/projects/name/www$ echo $PATH
/home/jw/.gem/ruby/2.2.3/bin:/opt/rubies/ruby-2.2.3/lib/ruby/gems/2.2.0/bin:/opt/rubies/ruby-2.2.3/bin:/usr/local/heroku/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games

jw@logopolis:/projects/name/www$ gem env
RubyGems Environment:
  - RUBYGEMS VERSION: 2.4.5.1
  - RUBY VERSION: 2.2.3 (2015-08-18 patchlevel 173) [x86_64-linux]
  - INSTALLATION DIRECTORY: /home/jw/.gem/ruby/2.2.3
  - RUBY EXECUTABLE: /opt/rubies/ruby-2.2.3/bin/ruby
  - EXECUTABLE DIRECTORY: /home/jw/.gem/ruby/2.2.3/bin
  - SPEC CACHE DIRECTORY: /home/jw/.gem/specs
  - SYSTEM CONFIGURATION DIRECTORY: /opt/rubies/ruby-2.2.3/etc
  - RUBYGEMS PLATFORMS:
    - ruby
    - x86_64-linux
  - GEM PATHS:
     - /home/jw/.gem/ruby/2.2.3
     - /opt/rubies/ruby-2.2.3/lib/ruby/gems/2.2.0
  - GEM CONFIGURATION:
     - :update_sources => true
     - :verbose => true
     - :backtrace => false
     - :bulk_threshold => 1000
  - REMOTE SOURCES:
     - https://rubygems.org/
  - SHELL PATH:
     - /home/jw/.gem/ruby/2.2.3/bin
     - /opt/rubies/ruby-2.2.3/lib/ruby/gems/2.2.0/bin
     - /opt/rubies/ruby-2.2.3/bin
     - /usr/local/heroku/bin
     - /usr/local/sbin
     - /usr/local/bin
     - /usr/sbin
     - /usr/bin
     - /sbin
     - /bin
     - /usr/games
     - /usr/local/games

jw@logopolis:/projects/name/www$ bundle exec ruby -v
ruby 2.2.3p173 (2015-08-18 revision 51636) [x86_64-linux]