RubyGems Environment:
  - RUBYGEMS VERSION: 2.7.9
  - RUBY VERSION: 2.4.6 (2019-04-01 patchlevel 354) [x86_64-linux]
  - INSTALLATION DIRECTORY: /home/f/.gem/ruby/2.4.0
  - USER INSTALLATION DIRECTORY: /home/f/.gem/ruby/2.4.0
  - RUBY EXECUTABLE: /usr/bin/ruby24
  - EXECUTABLE DIRECTORY: /home/f/.gem/ruby/2.4.0/bin
  - SPEC CACHE DIRECTORY: /home/f/.gem/specs
  - SYSTEM CONFIGURATION DIRECTORY: /etc
  - RUBYGEMS PLATFORMS:
    - ruby
    - x86_64-linux
  - GEM PATHS:
     - /home/f/.gem/ruby/2.4.0
     - /usr/local/lib64/ruby/gems/2.4.0
     - /usr/lib64/ruby/gems/2.4.0
  - GEM CONFIGURATION:
     - :update_sources => true
     - :verbose => true
     - :backtrace => false
     - :bulk_threshold => 1000
  - REMOTE SOURCES:
     - https://rubygems.org/
  - SHELL PATH:
     - /usr/lib/llvm/6/bin
     - /usr/local/sbin
     - /usr/local/bin
     - /usr/sbin
     - /usr/bin
     - /sbin
     - /bin
     - /opt/bin
     - /usr/lib/plan9/bin