Suresh Kumar toddlers

Follow these steps to install Graphite on a fresh Ubuntu 12.04 instance. Make sure you read and understand the commands because by the time you read this, things could be outdated.

Graphite

Installing dependencies

# apt-get install libpq-dev
# apt-get install python-dev python-pip python-cairo python-psycopg2
# apt-get install python-django python-django-tagging

Backend Architectures

ARCHITECTURES

Twitter

ror, scala, jetty, erlang, thrift, mongrel, comet server, my-sql, memchached, varnish, kestrel(mq), starling, gizzard, cassandra, hadoop, vertica, munin, nagios, awstats

Each of these commands will run an ad hoc http static server in your current (or specified) directory, available at http://localhost:8000. Use this power wisely.

Discussion on reddit.

Python 2.x

$ python -m SimpleHTTPServer 8000

An example implementation of the self-pipe trick in Ruby, by Paul Annesley (found here: http://pastebin.com/1SZprwZm)

Further reading:

D.J. Berstein - The self-pipe trick - http://cr.yp.to/docs/selfpipe.html
Alex Pennace - Safe UNIX Signal Handling Tips - http://osiris.978.org/~alex/safesignalhandling.html
Ryan Tomayko - I like Unicorn because it's Unix - http://tomayko.com/writings/unicorn-is-unix
Unicorn Sourcecode - http://bogomips.org/unicorn.git/tree/lib/unicorn/http_server.rb
man 2 select

The following is an explanation of Ruby blocks and yield by another Bloc mentor who was trying to explain it to one of his students.

On my very first day programming, if someone asked me for "the sum of the numbers from 1 to 10", I'd have written:

puts 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10

Easy enough.

Web Performance Power Tool: HTTP Archive (HAR) - blog post with video and details about the projects we covered.

The HAR Show GDL episode on YouTube

HAR Spec: http://www.softwareishard.com/blog/har-12-spec/
HTTP Archive (powered by HAR files): www.httparchive.org
HAR Viewer: http://code.google.com/p/harviewer/

	#!/usr/bin/env ruby

	# A simply utility to show character counts for each line of input and
	# highlight lines longer than 80 characters.
	#
	# Written as an example for http://jstorimer.com/2011/12/12/writing-ruby-scripts-that-respect-pipelines.html
	#
	# Examples:
	#
	# $ hilong Gemfile

	# Convert any YouTube video into an audio file you can listen to on the go, using:
	# http://rg3.github.com/youtube-dl/

	{ ~ } > brew install ffmpeg

	{ ~ } > wget https://raw.github.com/rg3/youtube-dl/2012.02.27/youtube-dl
	{ ~ } > chmod u+x youtube-dl

	# Pick which video format you want to download.. (use any YT video link)
	{ ~ } > ./youtube-dl -s -F http://www.youtube.com/watch?v=vT1KmTQ-1Os

	#!/usr/bin/env bash
	# call like this on the target server:
	# NODENAME='foo' CHEF_ENV='production' RUNLIST='["role[foo]","recipe[bar]"]' CHEFREPO='[email protected]:repo.git' bash <( curl -L https://raw.github.com/gist/1026628 )
	# You will need to ensure that the ssh key is already set up on the server.

	set -e

	export CHEF_DIR="${HOME}/chef"
	sudo rm -rf $CHEF_DIR
	mkdir -p "$CHEF_DIR"

	#!/bin/bash
	# herein we backup our indexes! this script should run at like 6pm or something, after logstash
	# rotates to a new ES index and theres no new data coming in to the old one. we grab metadatas,
	# compress the data files, create a restore script, and push it all up to S3.
	TODAY=`date +"%Y.%m.%d"`
	INDEXNAME="logstash-$TODAY" # this had better match the index name in ES
	INDEXDIR="/usr/local/elasticsearch/data/logstash/nodes/0/indices/"
	BACKUPCMD="/usr/local/backupTools/s3cmd --config=/usr/local/backupTools/s3cfg put"
	BACKUPDIR="/mnt/es-backups/"
	YEARMONTH=`date +"%Y-%m"`