Ruby on Rails with Nginx on Ubuntu 9.10 (Karmic)
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Ruby on Rails is a popular rapid development web framework that allows web designers and developers to implement fully featured dynamic web applications using the Ruby programming language. This guide describes the required process for deploying Ruby on Rails with Passenger and the nginx web server on Ubuntu 9.10 (Karmic).
Install Required Packages
First, make sure you have the
universe repositories enabled on your system. Your
/etc/apt/sources.list should resemble the following (you may have to uncomment or add the
- File: /etc/apt/sources.list
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
## main & restricted repositories deb http://us.archive.ubuntu.com/ubuntu/ karmic main restricted deb-src http://us.archive.ubuntu.com/ubuntu/ karmic main restricted deb http://security.ubuntu.com/ubuntu karmic-security main restricted deb-src http://security.ubuntu.com/ubuntu karmic-security main restricted ## universe repositories deb http://us.archive.ubuntu.com/ubuntu/ karmic universe deb-src http://us.archive.ubuntu.com/ubuntu/ karmic universe deb http://us.archive.ubuntu.com/ubuntu/ karmic-updates universe deb-src http://us.archive.ubuntu.com/ubuntu/ karmic-updates universe deb http://security.ubuntu.com/ubuntu karmic-security universe deb-src http://security.ubuntu.com/ubuntu karmic-security universe
If you added
universe to the items in your list, you’ll need to update your repository database:
apt-get update apt-get upgrade
Issue the following command to install packages required for Ruby on Rails.
apt-get install wget build-essential ruby1.8 ruby1.8-dev irb1.8 rdoc1.8 zlib1g-dev libopenssl-ruby1.8 rubygems1.8 libopenssl-ruby libzlib-ruby libssl-dev libpcre3-dev
Create symbolic links to the installed version of Ruby:
ln -s /usr/bin/ruby1.8 /usr/bin/ruby ln -s /usr/bin/irb1.8 /usr/bin/irb
gem install rake rack
Finally, install the version of Ruby On Rails that your application requires. Issue one the following commands for the version you need:
gem install rails --version 2.1.2 gem install rails --version 2.2.2 gem install rails --version 2.3.5 gem install rails --version 3.0.4
If you are unsure of the version you require, you can install the latest version with the following command:
gem install rails
Additionally, the application you deploy will likely have additional dependencies. Install these dependencies before proceeding.
Install Passenger and Nginx
Proceed to the
Phusion Passenger site and locate the link for the current source code tarball. Download it as follows (substitute the link for the current version). You may need to install
wget first by issuing the command
apt-get install wget.
cd /opt wget http://rubyforge.org/frs/download.php/59007/passenger-2.2.4.tar.gz tar xzvf passenger-2.2.4.tar.gz
Run the Phusion Passenger installer for nginx:
cd passenger-2.2.5/bin ./passenger-install-nginx-module
You’ll be greeted by the Phusion Passenger nginx installer program. Press “Enter” to continue with the installation.
When prompted for the nginx installation method, we recommend you choose “1” to allow the installer to automatically download, compile, and install nginx for you. Unless you have specific needs that would necessitate passing custom options to nginx at compile time, this is the safest way to proceed. Accept the default installation location for nginx.
Please do not remove the Passenger files from
opt after the installation. They need to stay in place or your installation will not function correctly.
Set up an Init Script for Nginx
Nginx is now installed in
/opt/nginx, but there are no “init” scripts to control this process. Issue the following sequence of commands to download a script, move it to the proper directory, set the proper permissions and set system startup links:
cd /opt wget -O init-deb.sh http://www.linode.com/docs/assets/565-init-deb.sh mv /opt/init-deb.sh /etc/init.d/nginx chmod +x /etc/init.d/nginx /usr/sbin/update-rc.d -f nginx defaults
You can now start, stop, and restart Nginx just like any other server daemon. For example, to start the server, issue the following command:
The configuration file for Nginx is located at
/opt/nginx/conf/nginx.conf. This is the file you’ll need to edit to add support for your Rails applications. A default server is already configured in this file, and it also contains examples for alternate virtual host and SSL configurations.
Install MySQL Support (optional)
If your application uses MySQL, install the database server by following our MySQL on Ubuntu 9.10 (Karmic) guide. Once it’s installed and configured properly, issue the following commands:
apt-get install libmysqlclient15-dev libmysql-ruby gem install mysql --no-rdoc --no-ri -- --with-mysql-dir=/usr/bin --with-mysql-lib=/usr/lib/mysql --with-mysql-include=/usr/include/mysql
You may wish to consult the following resources for additional information on this topic. While these are provided in the hope that they will be useful, please note that we cannot vouch for the accuracy or timeliness of externally hosted materials.
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