Problem(Error) in ruby-on rails installtion

Rails
1

To install the ruby-on rails on my computer i used the following
commands in
terminal

1)sudo apt-get install build-essentail (completed successfully)

2)sudo apt-get install ruby-full (completed successfully)

3)Download the rubygems-1.3.7.tgz in download directory and the

                  cd Downloads
                  sudo tar -xvzf rubygems-1.3.7.tgz
                  cd rubygems-1.3.7
                 ruby setup.rb

(completed successfully)

  1. Then change directory as
    cd /usr/bin
    Then typed

                         sudo gem install rails --version 2.3.2

–include-dependencies

                                          After this command ,i got

the
following error

              amrit@amrit-desktop:~$ cd /usr/bin
              amrit@amrit-desktop:/usr/bin$ sudo gem install rails

–version 2.3.2 --include-dependencies;
[sudo] password for amrit:
ERROR: Loading command: install (LoadError)
no such file to load – zlib
ERROR: While executing gem … (NameError)
uninitialized constant Gem::Commands::InstallCommand
amrit@amrit-desktop:/usr/bin$

Please somebody help to resolve it

Thanks in advance

2

On Oct 21, 2010, at 11:38 AM, amritpal pathak wrote:

                  sudo tar -xvzf rubygems-1.3.7.tgz

–include-dependencies
ERROR: Loading command: install (LoadError)
no such file to load – zlib
ERROR: While executing gem … (NameError)
uninitialized constant
Gem::Commands::InstallCommand
amrit@amrit-desktop:/usr/bin$

Maybe try sudo gem update --system and then sudo gem env to make sure
that Gem sees the same Ruby you do when you do ruby -v.

Walter