problem in installing rails

Question

hi all i am getting problem while installing rails in by gem : i have written in terminal

gem install rails

Successfully installed rails-3.0.3 1 gem installed Installing ri documentation for rails-3.0.3... File not found: lib

what i need to do next and how to install rails using gem.

Is Rails being installed? Try running rails new sample. It looks like just the documentation is having troubles... — Kevin Sylvestre
– Kevin Sylvestre, Commented Dec 27, 2010 at 16:01
@yosanu: Here is similar thread in case you are using RVM: stackoverflow.com/questions/4363264/… — Heikki
– Heikki, Commented Dec 27, 2010 at 16:11
@Kevin Rails is not installed . I am trying to install it by gem command . And rails new sample will not work. — Subhransu Mishra
– Subhransu Mishra, Commented Dec 27, 2010 at 16:17
@yosanu RVM and project specific gemsets keep things in good order. — Heikki
– Heikki, Commented Dec 28, 2010 at 0:43

Community · Accepted Answer · 2017-05-23 11:47:49Z

I had the same problem. I continued with the error. I do not see anything breaking. And I can code peacefully. So, probably you do not need to worry.

sudo apt-get install build-essential libopenssl-ruby libfcgi-dev sudo apt-get install ruby irb rubygems ruby1.8-dev sudo apt-get install sqlite3 libsqlite3-dev sudo gem install rails sudo gem install sqlite3-ruby

If you dont find path do this: (for Unix based systems)

Quoted from the book, but anyone else would suggest the same

If you can’t find the rails command, you may need to add /var/lib/gems/1.8/bin to your PATH environment variable. You can do this by adding a line to your .bashrc file: export PATH=/var/lib/gems/1.8/bin:$PATH

OK as aditya sanghi has mentioned, I do lack rdoc gem-- so probably running this will help

gem install rdoc rails

but when i am trying to run rails command its saying "you can install it by sudo apt-get install" rails command is not working
whenever I am on a new System, I open Rails in Action book and run these. And get going. I am updating the steps in my answer

Aditya Sanghi · Accepted Answer · 2010-12-27 20:44:16Z

I've seen this error when you dont have the "rdoc" gem installed. Can you do a "gem list" and show us a list of gems installed?

Try running "gem install rdoc rails".

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