Did you install the rubyripper-gui package, too? Looks like you only installed rubyripper. Rubyripper is split into a CLI package and a gui package which can be installed in addition to the CLI package.
Did you install the rubyripper-gui package, too? Looks like you only installed rubyripper. Rubyripper is split into a CLI package and a gui package which can be installed in addition to the CLI package.