Installing ruby on linux.

Here is a way through which you can easy install a ruby on your linux system

cd /usr/src
if you are a root user then its fine else login as a root or simply pass the following command
su with the root password
wget http://ftp.ruby-lang.org/pub/ruby/1.8/ruby-1.8.6.tar.gz
tar xfz ruby-1.8.6.tar.gz
./configure --prefix=/usr
make
make install
this is how one easy way you can install ruby.,