Tips

Ruby environment

How to Use rbenv to Manage Multiple Versions of Ruby

$ aptitude install  rbenv
$ aptitude install  ruby-build
$ echo 'export PATH="$HOME/.rbenv/bin:$PATH"' >> ~/.bash_profile
$ echo 'eval "$(rbenv init -)"' >> ~/.bash_profile
$ exec $SHELL -l
$ rbenv install 1.9.3-p545
$ rbenv rehash
$ mkdir ruby_1.9.3-p545
$ cd ruby_1.9.3-p545
$ rbenv local 1.9.3-p545
$ ruby -v
$ gem install bundler