libyaml warning doesn't go away, even if you install libyaml
gem install bundler
/home/ec2-user/.rvm/rubies/ruby-1.9.3-p392/lib/ruby/1.9.1/yaml.rb:56:in `<top (required)>':
It seems your ruby installation is missing psych (for YAML output).
To eliminate this warning, please install libyaml and reinstall your ruby.
Fetching: bundler-1.3.4.gem (100%)
Successfully installed bundler-1.3.4
First remove any previous docs of yaml by
cd .rvm/src
sudo rm -rf yaml*
Then you can do rest of the install by -
rvm pkg install libyaml
P.S You will need to reinstall ruby after this.
rvm pkg
seems to be deprecated. You can compile a source on your own. All you
gotta do is download the latest version of libyaml from http://pyyaml.org/download/libyaml/
tar zxf yaml-0.1.4.tar.gz
cd yaml-0.1.4
./configure
make
make install
\curl -L https://get.rvm.io | bash -s stable --rails --autolibs=enable
If using homebrew, a temporary fix that worked for me was to run:
brew unlink libyaml && brew link libyaml
plus you may also need to run:
brew unlink openssl && brew link --force openssl
See this issue thread for more details: https://github.com/wayneeseguin/rvm/issues/2689
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