padde

#!/usr/bin/env bash

############### USAGE ###############
# 
# 1. Create a new workspace on Cloud9 using the "Blank" template
#
# 2. Run this command in the console:
#    bash <(curl -fsSL https://gist.githubusercontent.com/padde/3c6301f15cbd5025e131740dae33aa95/raw/c9-elixir.sh)
#
# 3. There is no step 3!

padde

!!! WIP !!!

SSH Remote Port Forwarding

TODO: intro

Provision Server

• DigitalOcean
• 512 MB RAM

padde

require 'active_support/duration'

offset = 0

puts "attempt 0 immediately"

0.upto(24) do |count|
  # https://github.com/mperham/sidekiq/blob/v6.1.2/lib/sidekiq/job_retry.rb#L225
  average_jitter = (15 * (count + 1))
  delay = count**4 + 15 + average_jitter

padde

ffmpeg -i INFILE -r 25 -f mpeg -vcodec mpeg1video -ar 48000 -b 1500k -acodec mp2 -ar 44100 -ac 1 -y OUTFILE.mpg

padde

plot = Plot[Cos[x],{x,0,2\[Pi]}];
mydata = Flatten[Cases[plot, Line[x__] -> x, Infinity], 1];
Export["/Users/padde/Desktop/plot-data.dat", mydata, "CSV"];

padde

Keybase proof

I hereby claim:

• I am padde on github.
• I am padde (https://keybase.io/padde) on keybase.
• I have a public key ASAEolg38G1AcHEJA02qn5GcHNIM5025SKK7qMthoGn4RAo

To claim this, I am signing this object:

padde

# Patrick Oscity
# 
# Bauhaus-Universität Weimar
# Fakultät Medien
# SoSe 2011


require 'rubygems'
require 'wavefile'

padde

@interface NSData (CRC32)

-(NSUInteger) crc32;

@end

padde

Let's Encrypt with Nginx

Here's how I set up a tiny Nginx/Rails server that uses HTTPS via a Let's Encrypt issued certificate.

https://letsencrypt.paddd.de/

Server

I use the smallest DigitalOcean droplet (512 MB) here, which is built from the "Ubuntu Ruby on Rails on 14.04" image provided by them.

padde

OpenVPN on Ubuntu 12.10 at DigitalOcean

Install OpenVPN

sudo apt-get install openvpn

Generate Server Certificates

sudo cp -r /usr/share/doc/openvpn/examples/easy-rsa/2.0 /etc/openvpn/easy-rsa2
cd /etc/openvpn/easy-rsa2