有了ch
ruby,为什么
ruby-2.2.0在.ruby-version工作,而chruby ruby​​-2.2.0会不会？

% whoami
mark
% sudo su myapp
% cd /home/www/myapp/
% whoami
chruby: unknown Ruby: ruby-2.2.0
myapp
% cat .ruby-version
ruby-2.2.0
% which ruby
/usr/local/bin/ruby
% chruby ruby-2.2.0
% which ruby
/home/www/myapp/.rubies/ruby-2.2.0/bin/ruby 

Ruby on Rails部署的完整记录：

https://gist.github.com/dt1973/7b99dfb75bd26e1e5ed7

最佳答案 在.ruby-version中只放2.2.0,即

echo 2.2.0 > .ruby-version