Uninstalling All Gems Ruby 2.0.0

Uninstalling all gems Ruby 2.0.0

I used this one line script.

for i in `gem list --no-versions`; do gem uninstall -aIx $i; done

It ignores default gem errors and just proceeds. Simple and self-evident.

Removing all installed Gems and starting over

From the RVM support site:

RVM installs everything into ~/.rvm.
To remove RVM from your system run 'rm
-rf ~/.rvm'. You may have one additional config file in ~/.rvmrc and
of course the RVM hook in your
bash/zsh startup files.

So, just go to the command line and type rm -rf ~/.rvm

All the installed gems are in the ~/.rvm folders, so doing the above will remove the gems and installed rubies in one go.

Gems you added pre-RVM with the default ruby install can be removed by typing this at the command prompt:

for x in `gem list --no-versions`; do gem uninstall $x -a -x -I; done

Uninstall all installed gems, in OSX?

You could also build out a new Gemfile and run bundle clean --force. This will remove all other gems that aren't included in the new Gemfile.

Unable to uninstall Ruby 2.0.0

Why do you need to uninstall ruby2.0 to get ruby1.9.3? The whole idea of rvm is that you can have (and switch between) many different versions.

List the Rubies with rvm list.

Install (if required) with rvm install 1.9.3.

Swap to it with rvm use 1.9.3.

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