Problem install rails with gem (debian)

============================

debian:~/rubygems-1.3.5# /usr/local/bin/gem install rails

/usr/local/lib/ruby/site_ruby/1.9.1/rubygems/package.rb:10:in `require': no such file to load -- zlib (LoadError)

from /usr/local/lib/ruby/site_ruby/1.9.1/rubygems/package.rb:10:in `'

from /usr/local/lib/ruby/site_ruby/1.9.1/rubygems/format.rb:9:in `require'

from /usr/local/lib/ruby/site_ruby/1.9.1/rubygems/format.rb:9:in `'

from /usr/local/lib/ruby/site_ruby/1.9.1/rubygems/installer.rb:11:in `require'

from /usr/local/lib/ruby/site_ruby/1.9.1/rubygems/installer.rb:11:in `

Solution

=======

apt-get install libzlib-devel

then recompile your ruby and gems

Enjoy!!