安装rvm后
curl -L get.rvm.io | bash -s stable
但是进入命令行发现,rvm use 报
RVM is not a function, selecting rubies with 'rvm use ...' will not work. You need to change your terminal emulator preferences to allow login shell. Sometimes it is required to use `/bin/bash --login` as the command. Please visit https://rvm.io/integration/gnome-terminal/ for a example.
使用 rails c
程序“rails”尚未安装。 您可以使用以下命令安装: sudo apt-get install rails
解决办法一
执行_pro
source .bash_profile
方法二
设置以login -shell 方式启动终端(勾选以登录shell方式运行命令)