Ruby on rails 3 为什么在我安装bundler后会说bundler未安装?

Ruby on rails 3 为什么在我安装bundler后会说bundler未安装?,ruby-on-rails-3,Ruby On Rails 3,我已经安装了rbenv和一些rubies。在我的1.9.3-p484上,我正在尝试安装bundler。我似乎安装了它…但它没有出现。我得到这个错误 fonso@mybox:~/my-dev$ gem install bundler -v '1.0.22' Successfully installed bundler-1.0.22 1 gem installed Installing ri documentation for bundler-1.0.22... Installing RDoc do

我已经安装了rbenv和一些rubies。在我的1.9.3-p484上,我正在尝试安装bundler。我似乎安装了它…但它没有出现。我得到这个错误

fonso@mybox:~/my-dev$ gem install bundler -v '1.0.22'
Successfully installed bundler-1.0.22
1 gem installed
Installing ri documentation for bundler-1.0.22...
Installing RDoc documentation for bundler-1.0.22...
fonso@mybox:~/my-dev$ bundler --version
rbenv: bundler: command not found

The `bundler' command exists in these Ruby versions:
  2.3.0
  2.4.4
  2.5.8

fonso@mybox:~/my-dev$
我怎样才能解决这个问题