barinek.com: the official website

ActiveRecord MySQL Partitions

Here’s the migration snippet

class AddResultsTable < ActiveRecord::Migration
  def self.up
    create_partitioned_table :results do |t|

The below creates a results table partitioned by day. The example migration defaults to 4 days back and 4 days forward. We then have a few scripts to manage our partitioned tables.

Here’s the rails source

Rails LRU Memory Store

via snipplr

nginx with thin and monk

Here are the links to the software detailed in the script.

• Nginx
• Thin
• Monk

As before, the first part of the script removes pre-configured ruby packages and installs ruby and rubygems from scratch and the second part of the script installs nginx with ssl support and then sets up an example monk application.

Here is the full example

nginx with passenger and rails

Here are the links to the software detailed in the script.

• Nginx
• Phusion Passenger
• Ruby on Rails

The first part of the script removes pre-configured ruby packages and installs ruby and rubygems from scratch.

The second part of the script installs nginx with ssl support and then sets up an example rails application.

Here is the full example

nagios ejabberd check via ruby

Below is an example of using Ruby and xmpp4r to check ejabberd’s status from within nagios

You’ll need to define the below nagios command within you nagios config file and then include the below ruby.

define command {
  command_name check_xmpp
  command_line ruby /opt/nagios/plugins/check_xmpp.rb --hostname $HOSTADDRESS$ --jid username@domain.com --password password
}