使用RVM安装了Ruby 1.9.3，但命令行未显示ruby -v [英] Installed Ruby 1.9.3 with RVM but command line doesn't show ruby -v

问题描述

这是控制台输出:

sergio@sergio-VirtualBox:~$ rvm list

rvm rubies

   ruby-1.9.3 [ i386 ]

sergio@sergio-VirtualBox:~$ rvm use 1.9.3
Using /usr/share/ruby-rvm/gems/ruby-1.9.3

sergio@sergio-VirtualBox:~$ ruby -v
The program 'ruby' can be found in the following packages:
 * ruby1.8
 * ruby1.9.1
Try: sudo apt-get install <selected package>

那是怎么回事?我需要重启机器吗?还是应该立即发挥作用?我正在使用Ubuntu 11.10，感谢您的帮助.

So what's going on? Do I need to reboot my machine? Or should it work right off the bat? I'm using Ubuntu 11.10, any help is appreciated.

推荐答案

您的RVM版本已损坏. Ubuntu对RVM产生了很多错误，目前唯一安全的修复方法是:

You have broken version of RVM. Ubuntu does something to RVM that produces lots of errors, the only safe way of fixing for now is to:

sudo apt-get --purge remove ruby-rvm
sudo rm -rf /usr/share/ruby-rvm /etc/rvmrc /etc/profile.d/rvm.sh

打开新终端并验证环境是否与旧的RVM设置保持清洁(应为无输出):

open new terminal and validate environment is clean from old RVM settings (should be no output):

env | grep rvm

如果有输出，请尝试打开新的终端，如果这样做没有帮助，请重新启动计算机.

if there was output, try to open new terminal, if it does not help then restart your computer.

安装RVM :

\curl -L https://get.rvm.io | 
  bash -s stable --ruby --autolibs=enable --auto-dotfiles

如果您需要一些帮助，请查看

If you find you need some hand-holding, take a look at Installing Ruby on Ubuntu 12.04, which gives a bit more explanation.

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