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brodock/update-alternatives-ruby

Last active December 29, 2015 15:49
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Setting update-alternatives for ubuntu as a way to change system ruby with compiled one
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update-alternatives-ruby
# update-alternative (install)
sudo update-alternatives --install /usr/bin/ruby ruby2.0 /opt/rubies/2.0.0-p353/bin/ruby 0
sudo update-alternatives --install /usr/bin/erb erb2.0 /opt/rubies/2.0.0-p353/bin/erb 0
sudo update-alternatives --install /usr/bin/gem gem2.0 /opt/rubies/2.0.0-p353/bin/gem 0
sudo update-alternatives --install /usr/bin/irb irb2.0 /opt/rubies/2.0.0-p353/bin/irb 0
sudo update-alternatives --install /usr/bin/rake rake2.0 /opt/rubies/2.0.0-p353/bin/rake 0
sudo update-alternatives --install /usr/bin/rdoc rdoc2.0 /opt/rubies/2.0.0-p353/bin/rdoc 0
sudo update-alternatives --install /usr/bin/ri ri2.0 /opt/rubies/2.0.0-p353/bin/ri 0
sudo update-alternatives --install /usr/bin/testrb testrb2.0 /opt/rubies/2.0.0-p353/bin/testrb 0
# update-alternatives (uninstall)
sudo update-alternatives --remove ruby2.0 /opt/rubies/2.0.0-p353/bin/ruby
sudo update-alternatives --remove erb2.0 /opt/rubies/2.0.0-p353/bin/erb
sudo update-alternatives --remove gem2.0 /opt/rubies/2.0.0-p353/bin/gem
sudo update-alternatives --remove irb2.0 /opt/rubies/2.0.0-p353/bin/irb
sudo update-alternatives --remove rake2.0 /opt/rubies/2.0.0-p353/bin/rake
sudo update-alternatives --remove rdoc2.0 /opt/rubies/2.0.0-p353/bin/rdoc
sudo update-alternatives --remove ri2.0 /opt/rubies/2.0.0-p353/bin/ri
sudo update-alternatives --remove testrb2.0 /opt/rubies/2.0.0-p353/bin/testrb
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