Top "Gem-bundler" questions

Bundler is a tool that makes it easier to keep track of what Ruby gems (and what versions of those gems) an application depends upon.

You don't have write permissions for the /var/lib/gems/2.3.0 directory

I have ruby installed on my ubuntu 16.04. $which ruby /usr/bin/ruby $ruby -v ruby 2.3.0p0 (2015-12-25) [x86_64-linux-gnu] $…

rubygems gem-bundler
How to downgrade bundler or upgrade rails?

I added omniauth gem to my gemfile and tried to run bundle install, but got a message about incompatibility of …

ruby-on-rails-3 gem bundler omniauth gem-bundler
cannot load railtie after upgrade to rails 4 per ruby.railstutorial.org

OS is Ubuntu 12.04, 64 bit. New to rails. Relatively new to Ruby. Following the ruby.railstutorial.org tutorial, chapter 3. The tutorial …

ruby-on-rails rubygems railstutorial.org railtie gem-bundler