How to upgrade rubygems

Question

I need to upgrade gems to 1 8 i tried installing  the respective debian packages but it seems its not getting upgraded  anujm test    dpkg -l  grep -i rubygem ii  rubygems                               1 3 5-1ubuntu2                                  package management framework for Ruby libraries applications ii  rubygems-lwes                          0 8 2-1323277262                                LWES rubygems ii  rubygems1 8                            1 3 5-1ubuntu2                                  package management framework for Ruby libraries applications ii  rubygems1 9                            1 3 5-1ubuntu2                                  package management framework for Ruby libraries applications anujm test       anujm test    gem gem     gem1 8  gem1 9   anujm test    sudo gem1 8 install serve ERROR   Error installing serve          multi json requires RubyGems version  gt   1 3 6 anujm test

User · Answer

You can update all gems by just performing   sudo gem update

User · Answer

You can update gem to any specific version like this   gem update --system  version   gem update --system  2 3 0

User · Answer

I wouldn t use the debian packages  have a look at RVM or Rbenv

User · Answer

Or   gem update  gem outdated   cut -d     -f 1

User · Answer

I found other answers to be inaccurate outdated  Best is to refer to the actual documentation   Short version  in most cases gem update --system will suffice   You should not blindly use sudo  In fact if you re not required to do so you most likely should not use it

User · Answer

For me it sufficed to simply run  gem update

User · Answer

To update just one gem  and it s dependencies   do       bundle update gem-name   But to update just the gem alone  without updating it s dependencies   do      bundle update --source gem-name

User · Answer

Install rubygems-update  gem install rubygems-update update rubygems gem update --system   run this commands as root or use sudo

[ruby] How to upgrade rubygems

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