dmerrick

#!/bin/bash
# take a directory of images and combine them into a movie

# create an editable list of frames for the movie
ls -1v | grep JPG > files.txt

# 1080p at 24 fps
mencoder -nosound -ovc lavc -lavcopts vcodec=mpeg4:vbitrate=21600000 -o timelapse.1080p.24fps.avi -mf type=jpeg:fps=24 mf://@files.txt -vf scale=1920:1080

# 4K at 60 fps

dmerrick

>> a = [2, 1, 3]
=> [2, 1, 3]
>> a.sort
=> [1, 2, 3]
>> a
=> [2, 1, 3]
>> a.sort!
=> [1, 2, 3]
>> a
=> [1, 2, 3]

dmerrick

# HOW TO USE TUNNELS TO ACCESS THE LAB MACHINES

# from your laptop:
# create a new tmux session:
tmux new -s tunnels
# open tunnel for HTTP:
ssh -L 4567:<IP OF LAB MACHINE>:80 <IP OF HOST ON LAB WIFI>
# create new window in tmux
# open tunnel for SSH:
ssh -L 2222:<IP OF LAB MACHINE>:22 <IP OF HOST ON LAB WIFI>

dmerrick

Dana's Workstation Runlist

---

Note: This has been moved to dmerrick/configs: https://github.com/dmerrick/configs/blob/master/runlist.md

---

• go through new user flow

dmerrick

#!/usr/bin/env ruby

require 'httparty'
require 'digest/md5'
require 'json'

class LightsApp

  def initialize(app_name, api_url)
    @name = app_name

dmerrick

dmerrick@vagrant:~$ psql -U postgres
psql (9.1)
Type "help" for help.

postgres=# update pg_database set datallowconn = TRUE where datname = 'template0';
UPDATE 1
postgres=# \c template0
You are now connected to database "template0".
template0=# update pg_database set datistemplate = FALSE where datname = 'template1';
UPDATE 1

dmerrick

#!/usr/bin/env ruby
require 'pp'

old_list = [
 "AcerMMA",
 "Artosis",
 "Blizzard Stream",
 "Day[9].tv",
 "Destiny",
 "Dragon",

dmerrick

#!/usr/bin/env ruby -w
require 'open-uri'
require 'digest/md5'
require 'fileutils'

# this script creates a gif from NASA's high-res images of the sun
# the goal is to capture the transit of Venus in gif form
# it is expected that this will be run on OS X

# the following are required:

dmerrick

bash -c '
# removed installation, presumably Chef is installed on existing nodes

# adapted by Dana from the migration linked to from this document:
# http://wiki.opscode.com/display/chef/Migrating+to+Hosted+Chef+from+an+Open+Source+Chef+Server+implementation
 
mv /etc/chef/client.pem{,.old_chef_server}
mv /etc/chef/validation.pem{,.old_chef_server}
 
(

dmerrick

#!/bin/bash

set -x # print every command before it runs
set -e # exit if any command fails

mkdir -p /tmp/katama_chef/
git checkout katama_chef
cp -r cookbooks/$1 /tmp/katama_chef/

mkdir -p /tmp/hc_production/