ServerSetup

Configuration

• adding swap space to memory: https://www.digitalocean.com/community/tutorials/how-to-add-swap-on-centos-6
• install redis on Centos 6: https://gist.github.com/nghuuphuoc/7801123

Rails, Application Layers, and Web Servers

• Rails Passenger Nginx: https://www.digitalocean.com/community/tutorials/how-to-deploy-rails-apps-using-passenger-with-nginx-on-centos-6-5

Distributing Rails

• Server Setups: https://www.digitalocean.com/community/articles/5-common-server-setups-for-your-web-application
• DO Private Networking: https://digitalocean.com/community/articles/how-to-set-up-and-use-digitalocean-private-networking
• Distributed Ruby on Rails: https://www.digitalocean.com/community/tutorials/how-to-scale-ruby-on-rails-applications-across-multiple-droplets-part-1

Database

• Dedicated mySQL Server: https://www.digitalocean.com/community/tutorials/scaling-ruby-on-rails-setting-up-a-dedicated-mysql-server-part-2
• remote mySQL Database setup: https://www.digitalocean.com/community/tutorials/how-to-set-up-a-remote-database-to-optimize-site-performance-with-mysql
• mySQL Master-Slave Replication: https://www.digitalocean.com/community/articles/how-to-set-up-master-slave-replication-in-mysql
• mySQL user creation and database permissions: https://www.digitalocean.com/community/tutorials/how-to-create-a-new-user-and-grant-permissions-in-mysql
• PHPMyAdmin: http://www.phpmyadmin.net/home_page/index.php
• PHPMyAdin with Nginx on CentOS: http://www.nginxtips.com/how-to-install-phpmyadmin-on-nginx/
• PHPMyAdmin on CentOS: https://www.digitalocean.com/community/tutorials/how-to-install-and-secure-phpmyadmin-on-a-centos-6-4-vps

Performance Tuning

• Passenger Concurrency tuning: http://blog.phusion.nl/2013/03/12/tuning-phusion-passengers-concurrency-settings/

Log Management and Notifications

• Logstash and Kibana: https://www.digitalocean.com/community/tutorials/how-to-use-logstash-and-kibana-to-centralize-logs-on-centos-6
• Filters for Logstash: https://www.digitalocean.com/community/tutorials/adding-logstash-filters-to-improve-centralized-logging
• Simple Log Rotation: https://www.digitalocean.com/community/tutorials/how-to-configure-logging-and-log-rotation-in-nginx-on-an-ubuntu-vps
• Log Rotation: http://www.thegeekstuff.com/2010/07/logrotate-examples/#more-4826
• Email Alerts: https://www.digitalocean.com/community/tutorials/how-to-send-e-mail-alerts-on-a-centos-vps-for-system-monitoring