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I am trying to install rubygems1.8 in Ubuntu 11.04

I did 

sudo apt-get install rubygems1.8

Then when I do 

gem install rubygems-update

I get

The program gem is currently not installed. You can install it by typing:

sudo apt-get install rubygems1.8

I tried doing sudo apt-get install rubygems1.8 again and I get

rubygems1.8 is already the newest version

As far as I browsed the internet, this method seems to work for everyone. Any idea for troubleshooting?

premprakash
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2 Answers2

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If you search any questions here about installing ruby from apt-get, they will all the same thing. Use RVM.

sunnyrjuneja
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Quoting http://ryanbigg.com/2010/12/ubuntu-ruby-rvm-rails-and-you/ (which in turn quotes this):

Under no circumstance should you install Ruby, Rubygems or any Ruby-related packages from apt-get. This system is out-dated and leads to major headaches. Avoid it for Ruby-related packages.

prusswan
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  • @prusswanThanks for the advice . I am trying to set up ruby on rails on apache and following this https://help.ubuntu.com/community/RubyOnRails which is well document. Are you saying then these are outdated ? – premprakash Nov 05 '12 at 04:28
  • @premprakash unless you are dealing with a really old Ubuntu version (<= 9.04) and rails 2.x, I would reckon your hopes are better placed in one of the established and current ruby package managers (rvm, rbenv etc). – prusswan Nov 05 '12 at 04:38