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require 'json'

def metrics(values, keys)
  Hash[keys.zip(values)]
end

values = %x[free -m].match(/cache:\s+(\d+)\s+(\d+)\n/).captures
keys = ["memory-buffers", "memory-cached"]

data = metrics(values, keys)

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$ cucumber-chef test --tags @minitest
cucumber-chef v2.0.0.rc1

Using features directory: /home/sns/chef-repo/features
Cucumber-Chef Test Runner Initalized!
Cleaning up any previous test runs...done.
Uploading files required for this test run...done.
Executing Cucumber-Chef Test Runner
@minitest
Feature: Run minitests

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sh -c '
portsnap fetch
portsnap extract
BATCH=yes
export BATCH
echo "RUBY_DEFAULT_VER=1.9" >> /etc/make.conf
pkg_add -r autoconf
cd /usr/ports/converters/ruby-iconv
make install
gem install chef --no-ri --no-rdoc

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Hhh

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This is interesting

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Welcome to Drift!

Drift is an always-already versioned, cloud-backed text editor. You can use it to take notes, and save them in the GitHub cloud.

Your gists are always saved locally, and any changes you make will get pushed to GitHub's servers.

To name a gist, touch its name in the toolbar.

You can use the share button at the top-right to copy a link to one of your gists, or view it on the web in Safari.

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Description
===========

A brief description of the purpose of this cookbook, the problem it solves, etc.

Requirements
============

Requirements for using this cookbook. Chef version can be noted if significant.

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#!/usr/bin/env ruby
java_dir = %x[ls -l $(which java)].split.last
java_home_command = java_dir.gsub('java', 'java_home')
print "JAVA_HOME is: "
java_home = system(java_home_command)

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$ knife exec get_readmes.rb
===> Fetching metadata from Chef Server...
................
===> Preparing to download READMEs.
===> Fetching ips ...
===> Fetching solaris ...
===> Fetching sudo ...
===> Fetching application ...
===> Fetching git ...
===> Fetching users ...

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if hosts.empty?
  hosts |= @h.hosts_for(task) rescue nil
end