mac及linux下搭建ruby+rails环境（rub音标）燃爆了

 Downloading https://github.com/rvm/rvm/archive/1.29.3.tar.gz Downloading https://github.com/rvm/rvm/releases/download/1.29.3/1.29.3.tar.gz.asc Found PGP signature at: ‘https://github.com/rvm/rvm/releases/download/1.29.3/1.29.3.tar.gz.asc’, but no GPG software exists to validate it, skipping. Installing RVM to /Users/echen1/.rvm/ Adding rvm PATH line to /Users/echen1/.profile /Users/echen1/.mkshrc /Users/echen1/.bashrc /Users/echen1/.zshrc. Adding rvm loading line to /Users/echen1/.profile /Users/echen1/.bash_profile /Users/echen1/.zlogin. Installation of RVM in /Users/echen1/.rvm/ is almost complete: * To start using RVM you need to run `source /Users/echen1/.rvm/scripts/rvm` in all your open shell windows, in rare cases you need to reopen all shell windows. * WARNING: ‘~/.profile’ file found. To load it into your shell, add the following line to ‘/Users/echen1/.bash_profile’: