I had already installed rails 1.8.7, forgot about it, then installed 1.9.3 through RVM. I was getting weird errors, so I purged my Mac of the system version of Ruby and started again using RVM. So far I've
Installed Ruby:
rvm reinstall 1.9.3-p0
which ruby
/Users/User/.rvm/rubies/ruby-1.9.3-p0/bin/ruby
Manually setup Rubygems
which gem
/Users/User/.rvm/rubies/ruby-1.9.3-p0/bin/gem
Tried to install rails
sudo gem install rails
Successfully installed rails-3.2.1
1 gem installed
gem list
rails (3.2.1, 3.2.0)
It says rails is installed, but which gem does not work, and when I try to use rails new I get:
-bash: rails: command not found
I'm definitely missing something here. The only explanation I can think of is that there are remnants of a previous ruby or rails install that's causing problems. Is there a way to start completely from scratch?
If you are using RVM, you should not use "sudo" when you install gems. That will install gems to your system ruby version (not on the RVM rubies).
First, set up default rvm ruby like
rvm use ruby-1.9.3-p0 --default
Then, install rails on it by running:
gem install rails -v=3.2.1
It's actually better to use gemsets so you can have different gems set for the same ruby version. Check here for more info.
Related
I previously installed rails with the preinstalled ruby that comes with mac. I have recently installed ruby through rvm.
I then did
rails -v
and got the following error
kingsosina$ rails -v
/Library/Ruby/Site/2.0.0/rubygems/dependency.rb:298:in `to_specs': Could not find 'railties' (>= 0) among 5 total gem(s) (Gem::LoadError)
from /Library/Ruby/Site/2.0.0/rubygems/dependency.rb:309:in `to_spec'
from /Library/Ruby/Site/2.0.0/rubygems/core_ext/kernel_gem.rb:47:in `gem'
from /usr/bin/rails:22:in `<main>'
What has gone wrong here? Do I need to gem install rails again?
my lastest output
kingsosina$ which ruby
/Users/kingsosina/.rvm/rubies/ruby-2.0.0-p353/bin/ruby
kingsosina$ which rails
/Users/kingsosina/.rvm/gems/ruby-2.0.0-p353/bin/rails
kingsosina$ which gem
/Users/kingsosina/.rvm/rubies/ruby-2.0.0-p353/bin/gem
kingsosina$
Does everything seem ok? and how does terminal know to reference this version of ruby instead of the pre-installed version on the mac, when i do ruby -v?
For what it's worth, the paths shown in your error output indicate that you're still referencing the OSX version of ruby. You'll want to enter the directory and type
rvm use X.X.X-pXXX
where X.X.X-pXXX is the ruby version that you want rvm to use. You can also add a file called .ruby-version with X.X.X-pXXX in it and rvm and other ruby version managers will switch to the appropriate version for you. Adding a .ruby-gemset file will also switch to the appropriate set of gems.
Finally, you'll need to make sure that the gems are installed in the rvm ruby/gemset combination. Putting that all together, to get started with the latest ruby and latest rails gem you would...
rvm install 2.0.0
rvm use 2.0.0
rvm gemset use --create my-project-gems
gem install rails
Did you install newer version of ruby along with the rvm install? Do rvm list to find out what rubies your have installed. Then do rvm use <ruby-version-here> to select a ruby with rvm. Then you need to gem install rails again because its a new ruby. If you get a permission denied error trying to install gems try rvmsudo gem install rails.
I'm desperate, please help. I can't figure out how to change Ruby on Rails to run with 2.0.0, even though I think I've done everything to set 2.0.0 as the default, and rvm -list doesn't even show 1.8.7 as an option. I don't know what files I need to move/what pathways I need to change, and my attempts to uninstall rails have been unsuccessful as there's a "missingBundle" error.
$ ruby - v
returns ruby 2.0.0p247
$ rvm--default use 2.0.0
Using /Users/ericafischer-colbrie/.rvm/gems/ruby-2.0.0-p247
Then,
$ rails -s
Rails prefers to run ruby 2.0. You're running ruby 1.8.7 (2012-02-08 patchlevel 358)
[universal-darwin12.0]. Please upgrade to Ruby 1.9.3 or new to continue.
I've spent a lot of time looking at similar questions posted on stackoverflow and those solutions so far have not yielded any results.
Since you're using rvm, make sure you create a gemset and ruby-version file and install the version of rails you want to use.
E.g inside you're working dir tell rvm which ruby to use, which gemset to use, create both a gemset and ruby-version file:
rvm use ruby-2.0.0#my_cool_project --ruby-version --create
Then
gem install rails
To check run which ruby in that directory to make sure it's ruby 2 - - which rails will show you that it's using the gem of rails inside the ruby 2 my cool project gemset. Should be ok
Looks like you may have used something like sudo gem install rails.
When installing gems, you want to be sure to not use the sudo command.
Try sudo gem uninstall rails; rvm use ruby-2.0.0#myapp --create; gem install rails
Install rvm in your Macintosh
Then do rvm install 2.0.0 or rvm install version(whatever version you need)
Where ever you need a particular version of Ruby(say 2.0.0), do rvm use 2.0.0 and whichever version you need you can switch similarly.
If you are not sure how to install rvm or stuck with something else. Please see link for detailed explanation.
Updated, thanks #Momer.
I recently reinstalled Ubuntu 12.04 after the upgrade package broke my last install. I've been following this walkthrough to restore Rails and continue working on my existing projects. I've already installed rvm, all the packages listed by rvm requirements, and all my development tools (e.g., vim, git, etc.).
However, I get stuck on the rails command, whether I'm trying rails (n,s,g), and returns the error message
$ rails
The program 'rails' is currently not installed. You can install it by typing:
sudo apt-get install rails
I've already done the following:
$ gem install rails
Successfully installed rails-3.2.3
1 gem installed
But based on the following checks, it still hasn't installed.
$ which gem
/home/eyoung/.rvm/bin/gem
$ which ruby
/home/eyoung/.rvm/bin/ruby
$ which rails
(no output)
I'm at my wit's end; any ideas on what's going on?
Extra details:
OS: Ubuntu 12.04 x86_64
Packages: RVM installed Ruby 1.9.3p194 w/ openssl & Rubygems
ruby and gem are on the system $PATH
EDIT: By request,
$ gem list rails
*** LOCAL GEMS ***
rails (3.2.3)
As rails gem was installed and all the other paths look correct, you need to set rvm to use that ruby as your default version. It will set all the paths correctly so you can use your gems and rails command.
rvm use 1.9.3 --default
I updated to 12.04 as well, and ran into the issue as well. After quite a bit of head scratching, I decided to reinstall rvm.
Referencing a previous question.
I'm going through the rails by example tutorial.
Its seems that every time I close terminal rails defaults back to 2.3.5 & I have to go through the process of installing 3.0.3 every time I open the terminal?
I installed rails using: $ [sudo] gem install rails --version 3.0.3
Has anyone experienced a similar issue? I've tried googling around and searching stack to no avail.
The problem is almost-assuredly RVM interpreting 2.3.5 as your default rails version in your default gem set. I ran into this problem myself when first experimenting with RVM. Try this:
rvm --default use 1.9.2 (or whatever you want your default ruby interpreter to be)
rvm gemset create rails-3.0.3
rvm use 1.9.2#arails-3.0.3 --default
gem install rails
That will:
Set your default ruby interpreter to the desired ruby version
Create a gemset for your Rails 3.0.3 install and make it your default gemset
Install rails
Once you close the terminal and open it back up, it'll load RVM's defaults, putting you back on Rails 3.0.3 again.
Try uninstalling the rails gem:
gem uninstall rails
If you are prompted to select a version, select 2.3.5 and leave the 3.0.3 version intact.
P.S: Are you using RVM? If not, I would highly recommend it.
I've had this problem using RVM, if you're using RVM do: $rvm 1.9.2 (or whatever ruby version you installed the rails 3 gem with).
Check the output of $ ruby -v when you seem to have access to rails3 and again $ ruby -v when you can only seem to get to v2.3.5. If it shows different versions of ruby then you most likley are using RVM.
#Ads If youre using RVM and you install rails using sudo like so
$ [sudo] gem install rails --version 3.0.3
youre doing it wrong. RVM depends on you using a ruby distro that was installed by RVM into your user directory. If youre using sudo, youre installing rails gem into your system-wide ruby.
So check that youre using the right ruby version by doing 'rvm info' and then do your 'gem install rails --version 3.0.3' without sudo
I'm trying to setup clockingit but...
even after
gem install -v=2.3.8 rails
1 gem installed
i'm getting
rails -v
Rails 2.3.5
I need 2.3.8 to rake the gems for clockingit
help greatly apreciated
Try gem install -v 2.3.8 rails (no equal sign). You should also check if the version of Ruby on Rails installed through RubyGems is used at all. Maybe a version of Ruby on Rails installed through the package management of your operating system overlaps the version installed through RubyGems.
Try to use rvm. It is dead simple to deal with, and makes managing gems very easy. If you already on rvm, try to create another gemset
rvm gemset create new_gemset
and the try to install rails