RVM with Ubuntu 10.4

1. install ruby lib:


sudo apt-get install curl git-core bison build-essential zlib1g-dev libssl-dev libreadline6-dev libxml2-dev autoconf libxslt1-dev libpq-dev postgresql


2. install rvm

bash < <( curl http://rvm.beginrescueend.com/releases/rvm-install-head )

3. extra check
mkdir -p ~/.rvm/src/ && cdm ~/.rvm/src && rm -rf ./rvm/ && git clone --depth 1 git://github.com/wayneeseguin/rvm.git && cd rvm && ./install

4. add this line very end of your profile(.bash_profile)

# this is for rvm
[[ -s "$HOME/.rvm/scripts/rvm" ]] && source "$HOME/.rvm/scripts/rvm"

5. to install ruby 1.9.1

rvm install 1.9.1 ; rvm 1.9.1