aasmith’s gists

aasmith / nested-json.sh

Created September 19, 2017 21:23

How to decode nested json with jq

	# Typical use-case is decoding an AWS STS message. The DecodedMessage key contains escaped JSON.

	jq '.DecodedMessage \| fromjson \| .' message.json

aasmith / ec2-private-ip.sh

Last active May 20, 2017 16:04

Get the private IP address of an EC2 instance

aws ec2 describe-instances --instance-ids <id> --output text --query 'Reservations[*].Instances[*].PrivateIpAddress'

aasmith / .curlrc

Created May 10, 2017 05:37

.curlrc

	# print timings after each call. Use curl -q to suppress this file.

	write-out = "%{http_code} ns:%{time_namelookup} conn:%{time_connect} appconn:%{time_appconnect} prexfr:%{time_pretransfer} rdr:%{time_redirect} ttfb:%{time_starttransfer} TOTAL:%{time_total}\n"

aasmith / streaming.rb

Last active May 25, 2016 05:48

Rails Streaming: chunked + gzip/deflate

	# Adapted from http://stackoverflow.com/questions/7986150/http-streaming-in-rails-not-working-when-using-rackdeflater
	#
	# * Place this file in config/initializers/streaming.rb.
	# * Place 'config.middleware.use Rack::Deflater' in application.rb.
	# * Ensure you have a controller action that uses 'render stream: true'
	# * This should work in rails 3.1+, 4.x, and 5.x. See the original class:
	# https://github.com/rails/rails/blob/master/actionpack/lib/action_controller/metal/streaming.rb

	module GzipStreaming
	def _process_options(options)

aasmith / gist:1f50c4354d2cc7a16470

Last active October 18, 2015 19:28 — forked from pvalkone/gist:9292589

How to set up IPMI Serial-Over-LAN (SOL) on a ASRock C2550D4I motherboard running FreeNAS

	BIOS Setup
	----------

	1) Boot into the BIOS setup utility (press F2 or DEL) and open Advanced > Serial Port Console Redirection.
	2) Disable COM1 and EMS console redirection and enable SOL redirection.
	3) Set the SOL console redirection settings as follows:

	Aptio Setup Utility - Copyright (C) 2012 American Megatrends, Inc.
	Advanced
	/----------------------------------------------------+-------------------------\

aasmith / Big Tiles.markdown

Last active August 29, 2015 14:25

Big Tiles

aasmith / cpu.rb

Created March 1, 2015 18:46

Print CPU usage in ruby

	require "vmstat" # gem install vmstat

	CPU_DETAIL = false # set to true if you want to see details for each cpu.

	CPU_USAGE = "CPU %s: %5.1f%% sys %5.1f%% user %5.1f%% idle"

	def delta prev, curr

	all = prev.cpus.zip(curr.cpus).map do \|prev_cpu, curr_cpu\|

aasmith / clock.rb

Created January 1, 2015 09:05

Clock!

loop { d = `date`.chomp; print d; sleep 0.05; print "\b"*d.size }

aasmith / gemreqs-shuffle

Last active August 29, 2015 14:10

	irb(main):002:0> Dir.glob("../x/*").shuffle.each { \|x\| `mv #{x} .`; puts "Added #{x}"; `time foo`; }
	Added ../x/sexp_processor-4.4.1.gemspec
	0.10 real 0.08 user 0.01 sys
	Added ../x/diff-lcs-1.2.4.gemspec
	0.10 real 0.08 user 0.01 sys
	Added ../x/wirble-0.1.3.gemspec
	0.10 real 0.08 user 0.01 sys
	Added ../x/byebug-2.7.0.gemspec
	0.10 real 0.08 user 0.01 sys
	Added ../x/ruby-progressbar-1.2.0.gemspec

aasmith / gemreqs

Created November 25, 2014 23:58

	irb(main):002:0> Dir.glob("../x/*") { \|x\| `mv #{x} .`; puts "Added #{x}"; `time derp`; }
	Added ../x/actionpack-3.2.20.gemspec
	0.07 real 0.05 user 0.01 sys
	Added ../x/activemodel-3.2.20.gemspec
	0.06 real 0.05 user 0.01 sys
	Added ../x/activerecord-3.2.20.gemspec
	0.06 real 0.05 user 0.01 sys
	Added ../x/activeresource-3.2.20.gemspec
	0.07 real 0.05 user 0.01 sys
	Added ../x/activesupport-3.2.20.gemspec

Andrew A Smith aasmith