brianjolly

grep_output = `ps aux | grep Rails`

kill_list = []
any_rails = grep_output.scan(/^www-480\s+(\d+)\s+(\d+.\d+).*Rails/)
any_rails.each do |process|
  pid = process[0]
  cpu = process[1]

  if cpu.to_f > 95.0
    kill_list << process

brianjolly

#!/usr/bin/env ruby

#gem install net-ssh

require 'rubygems'
require 'net/ssh'

HOST = '192.168.1.1'
USER = 'me'
PASS = 'secret'

brianjolly

Installing CentOS

Notes

These instructions install ruby and rubygems from source, not from RPMs. For instructions on installing from RPMs, look at something like http://wiki.opscode.com/display/chef/Installation+on+RHEL+and+CentOS+5+with+RPMs or http://mykestubbs.com/blog/2010/03/chef-installation-on-centos-54.html

brianjolly

# Built-in python HTTP Server

python -m SimpleHTTPServer 8888

brianjolly

for (i=0; i<51; i++) { console.log(i+"\t"+i.toString(2)); }

brianjolly

require 'nokogiri'

doc = Nokogiri::XML(File.open("deploy/data/BundleData.xml")) do |config| config.noblanks end

puts "Default Price:"
doc.xpath("//DefaultPrice/Choice").each { |p| puts "id: #{p['id']} price: #{p.content}" }

puts "ExistingCustPrice Price:"
doc.xpath("//ExistingCustPrice/Choice").each { |p| puts "id: #{p['id']} price: #{p.content}" }

brianjolly

#!/usr/bin/env ruby

require 'uri'
require 'cgi'
require 'iconv'
require 'date'
require 'rubygems'
require 'colorize'

device = 'en3'

brianjolly

class LettersCounter
  def count word
    word.gsub(/\s|-/, '').length
  end

  def sum_from_list words
    lengths = words.map { |word| count word }
    lengths.inject(:+)
  end
end

brianjolly

#!/usr/local/bin/ruby

log_file = "/var/log/cpu_stats"
date = `date`.rstrip
cpu_stats = `uptime`.split

output = ""

if Dir[log_file] == []
        output << "date,\t 1min,\t 5min,\t 15min\n"

brianjolly

#!/usr/local/bin/ruby

log_file = "/var/log/mem_stats"
date = `date`.rstrip
mem_stats = `free -k`.split

output = ""

if Dir[log_file] == []
        output << "date,\t total memory,\t used memory,\t free memory\n"