If you want to use this package as your default system ruby, as root
create symbolic links like so (overwriting any previous default):

 ln -sf /usr/local/bin/ruby31 /usr/local/bin/ruby
 ln -sf /usr/local/bin/bundle31 /usr/local/bin/bundle
 ln -sf /usr/local/bin/bundler31 /usr/local/bin/bundler
 ln -sf /usr/local/bin/erb31 /usr/local/bin/erb
 ln -sf /usr/local/bin/gem31 /usr/local/bin/gem
 ln -sf /usr/local/bin/irb31 /usr/local/bin/irb
 ln -sf /usr/local/bin/racc31 /usr/local/bin/racc
 ln -sf /usr/local/bin/rake31 /usr/local/bin/rake
 ln -sf /usr/local/bin/rbs31 /usr/local/bin/rbs
 ln -sf /usr/local/bin/rdbg31 /usr/local/bin/rdbg
 ln -sf /usr/local/bin/rdoc31 /usr/local/bin/rdoc
 ln -sf /usr/local/bin/ri31 /usr/local/bin/ri
 ln -sf /usr/local/bin/typeprof31 /usr/local/bin/typeprof

The ruby-shims package is also available to automatically select an
appropriate Ruby version per-project directory or system-wide.
