使用Rails作曲家创建的应用程序，但无法在应用程序目录中启动Rails

Question

Using Rails Composer ( http://railsapps.github.com/rails-composer/ ) I created a new app, but I'm unable to run rails in the app newly created app directory, even though rails can be run everywhere else.

user@UBUNTU:~$ rails
Usage:
rails new APP_PATH [options] ...

user@UBUNTU:~$ cd myapp/
user@UBUNTU:~/myapp$ rails
The program 'rails' can be found in the following packages: ...

Using Ubuntu 12.10 and rvm

Answer 1

Are you running RVM? If so is there an .rvmrc file that is tied to a gemset? If that's the case there may not be a rails gem in that gemset.

Type rvm gemset list to see what gemsets have been created.