jarpy

import boto
from boto.ec2.autoscale import ScalingPolicy
from boto.ec2.cloudwatch import MetricAlarm

autoscale = boto.connect_autoscale()
cloudwatch = boto.connect_cloudwatch()

# Let's assume you already have an Auto Scaling group.
# Setting one up is well documented elsewhere.

jarpy

aptitude safe-upgrade --simulate --assume-yes | awk -F ' ' '/[0-9]+ packages upgraded/ {print $1}'

jarpy

# Counter
echo -n 'some.metric.namespace:1|c' | nc -u -q0 localhost 8125

# Gauge
echo -n 'some.metric.namespace:100|g' | nc -u -q0 localhost 8125

# Timer
echo -n 'some.metric.namespace:342|ms' | nc -u -q0 localhost 8125

jarpy

$secret = 'SESAME'

exec {'read_secret_variable':
  command     => '/bin/echo $ENVSECRET > /tmp/secret',
  environment => "ENVSECRET=$secret"
}

# $ cat /tmp/secret 
# SESAME

jarpy

#! /bin/sh

### BEGIN INIT INFO
# Provides:          logstash-forwarder
# Required-Start:    $remote_fs $syslog
# Required-Stop:     $remote_fs $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Start daemon at boot time
# Description:       Enable service provided by daemon.

jarpy

root@salt:~# salt --async '*' cmd.run 'date ; sleep 10; date'
Executed command with job ID: 20150716111845948627

root@salt:~# salt --async '*' cmd.run 'date ; sleep 10; date'
Executed command with job ID: 20150716111847963330

root@salt:~# salt-run jobs.lookup_jid 20150716111845948627
debian7:
    Thu Jul 16 11:18:45 AEST 2015
    Thu Jul 16 11:18:55 AEST 2015

jarpy

Get-AppxPackage | Select-String Zune | Remove-AppxPackage
Get-AppxPackage | Select-String Camera | Remove-AppxPackage
Get-AppxPackage | Select-String onenote | Remove-AppxPackage
Get-AppxPackage | Select-String phone | Remove-AppxPackage
Get-AppxPackage | Select-String photos | Remove-AppxPackage
Get-AppxPackage | Select-String BingSport | Remove-AppxPackage
Get-AppxPackage | Select-String Microsoft.People | Remove-AppxPackage
Get-AppxPackage | Select-String BingWeather | Remove-AppxPackage
Get-AppxPackage | Select-String WindowsSoundRecorder | Remove-AppxPackage
Get-AppxPackage | Select-String WindowsStore | Remove-AppxPackage

jarpy

# Remove all containers, inluding those that are not running.
docker ps --quiet | xargs docker kill
docker ps --all --quiet | xargs docker rm

# Remove all images.
docker images --format '{{.ID}}' | xargs docker rmi --force
 

jarpy

apt-get -y update
apt-get -y install apt-transport-https ca-certificates
apt-key adv --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys 58118E89F3A912897C070ADBF76221572C52609D
echo 'deb https://apt.dockerproject.org/repo ubuntu-trusty main' > /etc/apt/sources.list.d/docker.list
apt-get -y update
apt-get -y install docker-engine
service docker start
docker run hello-world

jarpy

#!/usr/bin/env python

import RPi.GPIO as GPIO
import picamera
import subprocess

# Set up a pin on the GPIO connector for the "record" button.
# We'll use pin 18, which is here:
#
# ....X........