how to install ruby & rvm on Ubuntu 10.04 LTS

How to install Ruby & RVM on a fresh Ubuntu 10.04

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-- Get a new VM Ubuntu 10.04, make sure no ruby is installed.

sudo apt-get update

which ruby  -- should yield no results.

sudo apt-get -qyy install curl git-core ruby

-- use sudo if you install it as root (so available to all users by default, I didn't test it myself)

##sudo bash < <(curl -s stable https://raw.github.com/wayneeseguin/rvm/master/binscripts/rvm-installer)

bash < <(curl -s stable https://raw.github.com/wayneeseguin/rvm/master/binscripts/rvm-installer)

-- You need to replace the line that says

[ -z "$PS1" ] && return

-- with

if [[ -n "$PS1" ]]; then

-- Now add this to the last line of the file

if [[ -s $HOME/.rvm/scripts/rvm ]] ; then source $HOME/.rvm/scripts/rvm ; fi

fi

-- then run bashrc file

. .bashrc

rvm notes

sudo apt-get -qyy install build-essential bison openssl libreadline5 libreadline-dev curl git-core zlib1g zlib1g-dev libssl-dev vim libsqlite3-0 libsqlite3-dev sqlite3 libreadline-dev libxml2-dev git-core subversion autoconf

rvm list known

rvm install 1.9.2-p180

rvm --default 1.9.2-p180

ruby -v

Now install mongo gem

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-- make sure you install rvm, ruby

gem update system

gem install mongo

gem install bson_ext