How do you downgrade rubygems?

by

This worked for me when downgrading from 1.5.2 to 1.4.2 because of old rails version:

sudo gem update --system 1.4.2

More information about downgrading/upgrading rubygems: https://github.com/rubygems/rubygems/blob/master/UPGRADING.md

More Related Contents:

  1. How to remove RVM (Ruby Version Manager) from my system
  2. Ruby Gem install Json fails on Mavericks and Xcode 5.1 – unknown argument: ‘-multiply_definedsuppress’
  3. How to install a gem or update RubyGems if it fails with a permissions error
  4. How do I update Ruby Gems from behind a Proxy (ISA-NTLM)
  5. How to make –no-ri –no-rdoc the default for gem install?
  6. Meaning of tilde-greater-than (~>) in version requirement?
  7. Can’t install gems on OS X “El Capitan”
  8. The ‘json’ native gem requires installed build tools
  9. What does tilde-greater-than (~>) mean in Ruby gem dependencies? [duplicate]
  10. Why are we installing Ruby 1.9.2/1.9.3 gems into a 1.9.1 folder?
  11. You have already activated X, but your Gemfile requires Y
  12. How can I install a local gem?
  13. Adding a directory to $LOAD_PATH (Ruby)
  14. Installing RubyGems in Windows
  15. How to avoid “cannot load such file — utils/popen” from homebrew on OSX
  16. Unresolved specs during Gem::Specification.reset:
  17. Installing Jekyll without root
  18. Why are gems installed in a directory with a different Ruby version than I’m running?
  19. find_spec_for_exe’: can’t find gem bundler (>= 0.a) (Gem::GemNotFoundException)
  20. ERROR: While executing gem … (Errno::EPERM) Operation not permitted [duplicate]
  21. ERROR: While executing gem … (Gem::FilePermissionError)
  22. List of installed gems?
  23. Why does “compass watch” say it cannot load sass/script/node (LoadError)?
  24. Check for Ruby Gem availability
  25. how to install gems without sudo
  26. Rubygems: How do I add platform-specific dependency?
  27. ERROR: Error installing ffi: ERROR: Failed to build gem native extension
  28. Ruby gem for finding timezone of location [closed]
  29. Functional code examples in ruby
  30. Ruby : How to write a gem? [closed]

Leave a Comment