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Backpopulation Time

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TCP Socket Availability

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#!/bin/bash
#
# This script should allow for selenium to be run on a headless Fedora box and connect to a hub server
#
# Author: Fotios Lindiakos (fotios at redhat.com)

EPHEMERAL_DIR="/usr/local/bin"
SELENIUM_DIR="/usr/lib/selenium"
HUB_SERVER="http://ec2-107-20-156-96.compute-1.amazonaws.com:4444"

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{
  "AWSTemplateFormatVersion": "2010-09-09",
  "Parameters": {
    "PublicSubnet": {
      "Description": "Subnet ID for use by all public agent nodes",
      "MaxLength": "18",
      "ConstraintDescription": "must be a valid CIDR.",
      "Default": "0.0.0.0/0",
      "AllowedPattern": "^([0-9]+\\.){3}[0-9]+\\/[0-9]+$",
      "MinLength": "9",

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OSCON 2013 Talks

• Moose: A Guide to the New Revolution
• dl.google.com: powered by Go
• Build Your Own PaaS
• Exploiting your File System to Build Robust & Efficient Workflows
• Kicking Impostor Syndrome In the Head
• Giving LWP::UserAgent Its Well Deserved Golden Watch
• Carton: Manage CPAN dependencies without the mess
• Discrete Math You Need to Know
• GitHub Power Tools

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HTTP client library is so convenient Faraday of Ruby

Faraday's so convenient Ruby HTTP client library

The development of the API wrapper [RestClient gem] or I [rest_client_gem]
What you need for OAuth was using [Net / HTTP] [net_http] + [OAuth gem] the [oauth_gem]

After reading the source of the API library [Twitter gem] and [twitter_gem] [Instagram gem] such as [instagram_gem]
Thing [Faraday gem] that [faraday_gem] had been commonly used

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#!/usr/bin/env ruby

all_user_procs = %x[/bin/ps -e -o uid,pid | /bin/egrep "^\s+[0-9]{3,4}"]

pids_by_user = all_user_procs.lines.inject(Hash.new{|h,k| h[k] = []}) do |h,line|
  (uid,pid) = line.split.map(&:to_i)
  h[uid] << pid
  h
end

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#!/usr/bin/env ruby

all_user_procs = %x[/bin/ps -e -o uid,pid | /bin/egrep "^\s+[0-9]{3,4}"]

pids_by_user = all_user_procs.lines.inject(Hash.new{|h,k| h[k] = []}) do |h,line|
  (uid,pid) = line.split.map(&:to_i)
  h[uid] << pid
  h
end

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(str, err, rc = ::OpenShift::Runtime::Utils::oo_spawn('cgsnapshot 2> /dev/null')
keys = %w(cpu.cfs_period_us cpu.cfs_quota_us cpuacct.usage)
Hash[str.scan(/^group\sopenshift\/(.*?)\s(.*?)^}/m).map{|mg| [mg[0], Hash[mg[1].scan(/\s*(#{keys.join('|')})\s*=\s*"(.*)";/).map{|k,v| [k,v.to_i]}]] }]

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4.2.2