Install rbenv and rails on ubuntu

This article will describe how to install rbenv, rails and some useful libraries on a production server of ubuntu.

Assuming that, on a fresh ubuntu, we have just built and logged in with a user account named deployer.

Update apt-get

sudo apt-get update

Install gcc, make and curl

sudo apt-get install gcc make curl

Install git

sudo apt-get install git git-core

Configure git

git config --global user.name "Your Name"
git config --global user.email "Your Email Address"
git config --global core.editor vi
git config --global color.ui true
git config --global color.branch auto
git config --global color.diff auto
git config --global color.status auto

Install libraries required by rbenv

sudo apt-get install autoconf bison build-essential libssl-dev libyaml-dev libreadline6-dev zlib1g-dev libncurses5-dev libffi-dev libgdbm3 libgdbm-dev

Install rbenv and the ruby versions builder

git clone git://github.com/sstephenson/rbenv.git .rbenv
echo 'export PATH="$HOME/.rbenv/bin:$PATH"' >> ~/.bashrc
echo 'eval "$(rbenv init -)"' >> ~/.bashrc
git clone git://github.com/sstephenson/ruby-build.git ~/.rbenv/plugins/ruby-build
echo 'export PATH="$HOME/.rbenv/plugins/ruby-build/bin:$PATH"' >> ~/.bashrc
git clone https://github.com/sstephenson/rbenv-gem-rehash.git ~/.rbenv/plugins/rbenv-gem-rehash
git clone https://github.com/ianheggie/rbenv-binstubs.git ~/.rbenv/plugins/rbenv-binstubs

Add path for binstubs

echo 'PATH="./bin:$PATH"' >> ~/.bashrc

Relogin the server

exit
ssh deployer@SERVER_IP

Install Ruby version

rbenv install 2.1.5
rbenv global 2.1.5

Install bundler

gem install bundler

Install gems without documents

echo 'gem: --no-rdoc --no-ri' >> ~/.gemrc

Install rails

gem install rails -v 4.1.1

Install Node.js (javascript runtime) which is required to compile assests of rails

sudo apt-add-repository -y ppa:chris-lea/node.js
sudo apt-get -y update
sudo apt-get -y install nodejs

Install qt lib for capybara-webkit[https://github.com/thoughtbot/capybara-webkit]

sudo apt-get install libqt4-dev

Install ImageMagick

sudo apt-get install imagemagick

Install PostgreSQL

sudo apt-get install postgresql libpq-dev

Execute the following command under project directory to make binstubs work

bundle install --binstubs .bundle/bin

Set environment variables

sudo vi /etc/environment

and add the following lines:

RAILS_ENV=production
RACK_ENV=production

Create a new user named deployer as superuser within PostgreSQL

sudo su -l postgres
createuser deployer --pwprompt
psql
ALTER USER deployer WITH SUPERUSER;
\q
exit

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Install rbenv and rails on ubuntu

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