rvm

I'm running Ruby 1.9.1p243 on CentOS, and I decided to install rvm to handle upgrading to 1.9.2 or downgrading to 1.8.7 (whichever turns out to work better for rails3). I followed the instructions here: http://rvm.beginrescueend.com/rvm/install/ and everything installed correctly. I was able to compile and install Ruby 1.8.7, 1.9.1, and 1.9.2. However, if I try to actually switch to one of the rvm installed Rubies, with rvm use 1.8.7, for example, nothing works. My system still uses the Ruby I have installed in /usr/local/bin/ruby. An example of the output I get: $ rvm use 1.8.7 $ ruby -v ruby

I'm new-ish to Ruby and Rails. I am looking for a purely objective list of features and advantages/disadvantages of each. In an effort to keep preference out of this, please refrain from answering unless you have used all 3 systems. There's three main options available today: rvm which is the most established, but also the most intrusive in terms of shell modifications. rbenv which is lower impact, and still works as well. chruby which purports to be even lighter than rbenv . Personally I prefer rbenv because it works well with Homebrew and doesn't mangle the shell environment as much, but

I am really confused by the explanations given in RVM website. The relation between different ruby interpretors and gemsets are not clear to me. According to me, it is like this - My Account in my Mac have one rvm That rvm installs and manages set of different versions of ruby interpretors. each ruby version has set of gemsets. Am i getting things clear... Any more amount of explanations are welcome. I am in a position to work on (Ruby 1.8.7 + rails 2.3.8 and its dependencies) and (Ruby 1.9.2 and Rails 3.0 and its dependencies)... If any one is well versed with handling many ruby versions and

I just don't get it. I thought, Bundler was developed to resolve version conflicts between gems. So that I just have to require "bundler/setup" and everything is fine, knowing that Bundler will load the correct versions of all my gems and their dependencies. Now, RVM is great for managing multiple Rubies, I know, but why should I care about the Gemset feature? Do I miss something here? Can it make my development even easier? Maybe, some of you can give me some hints on the perfect RVM + Bundler workflow for both, development and production. I also don't know when RVM starts switching to

Here are my local gems : $ gem list *** LOCAL GEMS *** actionmailer (4.0.0, 3.2.14) actionpack (4.0.0, 3.2.14) activemodel (4.0.0, 3.2.14) activerecord (4.0.0, 3.2.14) activerecord-deprecated_finders (1.0.3) activeresource (3.2.14) activesupport (4.0.0, 3.2.14) arel (4.0.0, 3.0.2) atomic (1.1.13) builder (3.1.4, 3.0.4) bundler (1.3.5) bundler-unload (1.0.1) erubis (2.7.0) hike (1.2.3) i18n (0.6.5) journey (1.0.4) json (1.8.0) mail (2.5.4) mime-types (1.24) minitest (4.7.5) multi_json (1.7.9) polyglot (0.3.3) rack (1.5.2, 1.4.5) rack-cache (1.2) rack-ssl (1.3.3) rack-test (0.6.2) rails (3.2.14)

I am trying to install Rails into a new rvm gemset. I tried the following: rvm gemset create rails-4.0 output: gemset created rails-4.0 Next I did: rvm 2.0.0@rails-4.0 rvm gemset list: gemsets for ruby-2.0.0-p0 (found in /Users/me/.rvm/gems/ruby-2.0.0-p0) (default) global => rails-4.0 rails -v Rails is not currently installed on this system. To get the latest version, simply type: $ sudo gem install rails Do the rvm commands I listed not install rails 4.0? This command: rvm gemset create rails-4.0 is creating basically a directory structure to hold the gems. You could have just as easily

When using ruby 2.1.0 (or 2.1.1) and I type rails g nothing happens. It simply hangs. But when I change to 1.9.3, using rvm use 1.9.3 it works as expected. How can I debug this? What might be causing this command to hang, only on ruby > 2.0.0? I have tried reinstalling both rails and ruby! Have you tried to run: spring stop rails generate hangs may because spring is already running. see https://github.com/rails/spring/issues/265 I tried all of this and it didn't work for me. Turns out that I had a bad rails file in my /bin folder. This is what I had: #!/usr/bin/env ruby begin load File.expand

I have shifted to ree using rvm by: rvm use ree@mygemset and installed kaminari gem through Gemfile and bundle install. But Phusion passenger seems to still look for the gem in system default directory. It says: Error message: Could not find kaminari-0.10.4 in any of the sources (Bundler::GemNotFound) What do I missing? Rails need any specific configuration to recognize the current ruby version and gemset I am using?? Michelle Tilley You need to instruct Passenger to load RVM and then setup the environment for your gemset. The easiest way to go about this involves three steps: Create a .rvmrc