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我试图在rails上安装ruby到我的ubuntu 12.04系统。我已经安装了RVM,然后当我试图安装/升级红宝石,这是发生了什么事Ruby on rails安装使用rvm在Ubuntu 12.04上发布
[email protected]:/var/lib$ rvm -v
rvm 1.6.9 by Wayne E. Seguin ([email protected]) [https://rvm.beginrescueend.com/]
[email protected]:/var/lib$ rvm install ruby
ERROR: rvm X,Y,Z 'error' must be followed by arguments. (see: 'rvm usage')
请帮助解决这个问题