dwilkins

<% binary_image = File.open("#{Rails.root}/test/fixtures/files/photo-one.png").read %>
<% image_uid = Dragonfly.app.store(binary_image) %>
<% image_name = Dragonfly.app.fetch(image_uid).name %>
john_doe:
  username: jdoe
  email: 'jdoe@exampmle.com'
  first_name: John
  last_name: Doe
  photo_uid: image_uid
  photo_name: image_name

dwilkins

class User < ActiveRecord::Base  # model
  dragonfly_accessor :photo
end

dwilkins

#!/bin/bash
# Process a compressed rails log file and sort the SQL
# statements by frequency
# Requires - gzip, ansifilter, sed

echo $ARGC
COMMANDNAME=`basename $0`

if [ $# -lt "1" ]
then

dwilkins

sudo sysctl net.ipv4.ip_forward=1
sudo iptables -t nat -A POSTROUTING -j MASQUERADE

dwilkins

# /etc/dhcpd.conf
#
# Configuration for g_ether / usbpizero
# Only serves 1 address to the computer on the 
# other end of the USB cable
# also referenced in /etc/netctl/usbpizero
#

subnet 192.168.7.0 netmask 255.255.255.0 {
  range 192.168.7.150 192.168.7.150;

dwilkins

netctl enable usbpizero 
systemctl start dhcpd4

dwilkins

# /etc/modprobe.d/g_ether.conf
options g_ether host_addr=12:a5:cf:42:92:fd dev_addr=5e:bc:ca:27:92:b1 idVendor=1317 idProduct=42146

dwilkins

# /etc/modules-load.d/raspberrypi.conf
bcm2708-rng
snd-bcm2835
dwc2
g_ether

dwilkins

# /boot/config.txt
# See /boot/overlays/README for all available options

gpu_mem=64
dtoverlay=dwc2

dwilkins

# /etc/netctl/usbpizero
Description='pizero g_ether gadget'
Interface=usb0
Connection=ethernet
IP=static
Address=('192.168.7.3/24')
## Gateway address is the one we'll specify later
## in dhcpd.conf of the computer on the other end
## of the USB cable
Gateway='192.168.7.150'