How to upgrade rubygems

ruby, rubygems

Solution

Install rubygems-update

gem install rubygems-update
update_rubygems
gem update --system

run this commands as root or use sudo.

Problem

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 >= 1.3.6 anujm@test:~$ ```

Original source