ubuntu 11.10安装 rvm
从 https://rvm.io/rvm/install/#explained 查看安装:
song@song-laptop:~$ curl https://raw.github.com/wayneeseguin/rvm/master/binscripts/rvm-installer | bash -s stable % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed100 8844 100 8844 0 0 1318 0 0:00:06 0:00:06 --:--:-- 1491mkdir: cannot create directory `/usr/share/ruby-rvm': Permission denied