[Ubuntu] Install ruby1.9.2 on Ubuntu 10.04

1. Download deb

wget https://bigbluebutton.googlecode.com/files/ruby1.9.2_1.9.2-p290-1_amd64.deb
or
wget https://bigbluebutton.googlecode.com/files/ruby1.9.2_1.9.2-p290-1_i386.deb

備份網址:

ruby1.9.2_1.9.2-p290-1_i386.deb
ruby1.9.2_1.9.2-p290-1_amd64.deb

2. Install libraries

apt-get install libreadline5 libffi5

3. Install deb

dpkg -i  ruby1.9.2_1.9.2-p290-1_amd64.deb

4. create link

ln -sf /usr/bin/ruby1.9.2 /usr/bin/ruby
ln -sf /usr/bin/gem1.9.2 /usr/bin/gem
ln -sf /usr/bin/erb1.9.2 /usr/bin/erb
ln -sf /usr/bin/irb1.9.2 /usr/bin/irb
ln -sf /usr/bin/rake1.9.2 /usr/bin/rake
ln -sf /usr/bin/rdoc1.9.2 /usr/bin/rdoc
ln -sf /usr/bin/ri1.9.2 /usr/bin/ri
ln -sf /usr/bin/testrb1.9.2 /usr/bin/testrb

Reference:
[1]  https://code.google.com/p/bigbluebutton/