Tony Gaetani tonygaetani

Why?

Because Logentries doesn't publish .debs for armhf.

Picking the right architecture = Picking the right battles + Managing trade-offs

User cases (description of sequences of events that, taken together, lead to a system doing something useful)
- Who is going to use it?
- How are they going to use it?

	# My ISP-provided fiber optical modem broadcasts a line of a poem every ten seconds. Here's the tcpdump of the complete poem.
	# The optical modem is made by Shanghai Nokia-Bell Co.,Ltd and its model number is G-140W-UD. It's provided by my ISP, China Unicom in Shenzhen.

	$ tcpdump -i vlan10 ether proto 0x8300
	15:59:00.720301 00:00:00:00:00:12 (oui Ethernet) > Broadcast, ethertype Unknown (0x8300), length 72:
	0x0000: 0000 0000 e4ea 8386 d93c 5468 6520 6461 .........<The.da
	0x0010: 7920 4920 6c6f 7374 206d 7920 7665 7279 y.I.lost.my.very
	0x0020: 2066 6972 7374 2074 6f6f 7468 2c00 0000 .first.tooth,...
	0x0030: 0000 0000 0000 0000 0000 ..........
	15:59:10.740778 00:00:00:00:00:12 (oui Ethernet) > Broadcast, ethertype Unknown (0x8300), length 72:

	var Rx = require('rx');
	var readline = require('readline');
	var fs = require('fs');

	var rl = readline.createInterface({
	input: fs.createReadStream('lines.txt')
	});

	var lines = Rx.Observable.fromEvent(rl, 'line')
	.takeUntil(Rx.Observable.fromEvent(rl, 'close'))

	#!/bin/bash
	#
	# Copyright 2014 Hewlett-Packard Development Company, L.P.
	# All Rights Reserved.
	# Authored by Yazz D. Atlas <[email protected]>
	#
	# Licensed under the Apache License, Version 2.0 (the "License"); you may
	# not use this file except in compliance with the License. You may obtain
	# a copy of the License at
	#

	int speakerPin = 9;
	int length = 70;
	String notes[] = {"G4","G4", "G4", "D#4/Eb4", "A#4/Bb4", "G4", "D#4/Eb4","A#4/Bb4", "G4", "D5", "D5", "D5", "D#5/Eb5", "A#4/Bb4", "F#4/Gb4", "D#4/Eb4","A#4/Bb4", "G4", "G5","G4","G4","G5","F#5/Gb5", "F5","E5","D#5/Eb5","E5", "rest", "G4", "rest","C#5/Db5","C5","B4","A#4/Bb4","A4","A#4/Bb4", "rest", "D#4/Eb4", "rest", "F#4/Gb4", "D#4/Eb4","A#4/Bb4", "G4" ,"D#4/Eb4","A#4/Bb4", "G4"};
	int beats[] = { 8, 8, 8, 6, 2, 8, 6 , 2 ,16 , 8, 8, 8, 6, 2, 8, 6, 2, 16,8,6,2,8,6,2,2, 2, 2,6,2,2,8,6,2,2,2,2,6,2,2,9,6,2,8,6,2,16 };
	int tempo = 50;

	void playTone(int tone, int duration) {
	for (long i = 0; i < duration * 1000L; i += tone * 2) {
	digitalWrite(speakerPin, HIGH);
	delayMicroseconds(tone);

	file_to_disk = './tmp/large_disk.vdi'

	Vagrant::Config.run do \|config\|
	config.vm.box = 'base'

	config.vm.customize ['createhd', '--filename', file_to_disk, '--size', 500 * 1024]
	config.vm.customize ['storageattach', :id, '--storagectl', 'SATA Controller', '--port', 1, '--device', 0, '--type', 'hdd', '--medium', file_to_disk]
	end

	#@see rynop.com for details

	sudo apt-get install xbindkeys

	####now put the following in ~/.xbindkeysrc:
	#KeyboardPlay
	"dbus-send --print-reply --dest=org.mpris.MediaPlayer2.spotify /org/mpris/MediaPlayer2 org.mpris.MediaPlayer2.Player.PlayPause"
	XF86AudioPlay

	#KeyboardStop

	-- show running queries (pre 9.2)
	SELECT procpid, age(clock_timestamp(), query_start), usename, current_query
	FROM pg_stat_activity
	WHERE current_query != '<IDLE>' AND current_query NOT ILIKE '%pg_stat_activity%'
	ORDER BY query_start desc;

	-- show running queries (9.2)
	SELECT pid, age(clock_timestamp(), query_start), usename, query
	FROM pg_stat_activity
	WHERE query != '<IDLE>' AND query NOT ILIKE '%pg_stat_activity%'

	# for some reason facter takes the raw memorysize and reports it as
	# a formatted string, which is useless for calculation
	#

	Facter.add("memorysize_raw") do
	confine :kernel => :linux
	setcode do
	size = 0
	File.readlines("/proc/meminfo").each do \|l\|
	size = $1.to_f if l =~ /^MemTotal:\s+(\d+)/