An error occurred while installing rugged
问题 Following this tutorial [link] to install gitlab on a dedicated server. I need to : sudo -u git -H bundle install --deployment --without development test postgres aws But an error occurred while installing rugged : Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension. /usr/local/bin/ruby extconf.rb checking for cmake... no ERROR: CMake is required to build Rugged. *** extconf.rb failed *** Could not create Makefile due to some reason, probably lack of necessary