Execute remote commands via ssh on groups of machines

Resque can be very useful outside of a web app, too. What if you want to write jobs in Ruby and just enqueue them from your console? Or from a Java application? Or in cron jobs? Cavalcade to the resque! Cavalcade creates a resque-based, stand-alone job queue, and provides rake tasks to enqueue all of your jobs.

Nagios plugin to check cepmon rules

Oscillating Markov text generator

Search a Chef server via CLI or API given a role, name, or Chef environment

Use with Chef-Solo. Grabs node info as array of Hashes or String ips.

a library and commandline tool to pick causative mutation from bulks segregant sequencing

System health tool for everyone

CICADA (Colocalization and In-situ Correction of Aberration for Distance Analysis) implementation; see Fuller and Straight J. Microscopy (2012) doi:10.1111/j.1365-2818.2012.03654.x

Simple tool to manage various configuration files in repository

Hiera backend for decrypting encrypted yaml properties (Fix for Issue #62)

A utility for sorting messy folders

Cliff is a CLI client written in ruby for friendpaste.com

Library, not a framework, for building command line interfaces to your ruby application

Closh automatically bootstrap servers in the cloud to run shell commands

You can't encrypt a file bigger than the private key. You first have to generate a random key and a random vector initialization to encrypt the file using a symmetrical algorithom. Later you use the private key to encrypt the random key and the random vector

CloudFormula is a tool which generates and uploads CloudFormation templates from ERB templates.

A simple gem for uploading a RightScale RightImage (with a fingerprint) to CloudStack.

This library provides support for loading and processing data from Collada Digital Asset Exchange files. These files are typically used for sharing geometry and scenes.

Chef collect agent