ruby on rails installation on ubuntu

Question

error on installation

ERROR: Loading command: install (LoadError) no such file to load -- zlib ERROR: While executing gem ... (NameError) uninitialized constant Gem::Commands::InstallCommand

wat should i do plz help as soon as possible

How far have you got? Is Ruby installed? Which version? Are you using rvm/bundler? Is rails installed? which version? Full stacktrace would be good. Are you following a guide, which one? Are you using the apt-get package ruby/gems? As you shouldnt... — Chris Kimpton
– Chris Kimpton, Commented Dec 30, 2010 at 8:08

robzolkos · Accepted Answer · 2010-12-30 06:35:44Z

2

Try following this guide. its very good

http://ryanbigg.com/2010/12/ubuntu-ruby-rvm-rails-and-you

answered Dec 30, 2010 at 6:35

robzolkos

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Annie Lagang · Accepted Answer · 2012-11-16 12:09:05Z

0

I encountered the same problem when I was installing Rails on Ubuntu but I was able to install zlib and then proceeded to installing Rails.

Here's what I did:

Download and installed zlib from source.

wget http://zlib.net/zlib-1.2.7.tar.gz
tar -xvzf zlib-1.2.7.tar.gz
cd zlib-1.2.7/
sudo ./configure && sudo make && sudo make install
"Register" zlib module before recompiling and reinstalling Ruby

cd ruby-source-distro-path/ext/zlib

sudo ruby extconf.rb

sudo make && sudo make install

answered Nov 16, 2012 at 12:09

Annie Lagang

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