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# set-up a narrow pipe
sudo ipfw pipe 1 config bw 350kbit/s plr 0.05 delay 500ms

# assign that pipe to all connections on port 8080
sudo ipfw add pipe 1 dst-port 8080

# delete that pipe
sudo ipfw pipe delete 1

# or just flush everything back to its original state

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Backup to Mozy

• Download and install the client software from https://www.mozypro.com/resource?module=resource-downloads
• Create a Server user
• Select the user and change their password (to the product key to save remembering)
• On the machine, activate the client using that password:

sudo mozyutil activate --email hostname@skillstream.co.uk

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Raspberry Pi Meridian Explorer setup

Update firmware using rpi-update and software using apt-get dist-upgrade

Disable onboard sound by commenting it out in /etc/modules

In /etc/modprobe.d/alsa-base.conf comment-out the line

options snd-usb-audio index=-2

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public class VelocityTools2View extends VelocityLayoutView {

	private ViewToolManager toolManager;

	@Override
	protected Context createVelocityContext (Map<String, Object> model,
	                                         HttpServletRequest request,
	                                         HttpServletResponse response) {
		ToolContext toolContext = toolManager.createContext(request, response);
		VelocityContext context = new VelocityContext(toolContext);

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# Note that this workflow requires that the default push is to an explicit upstream:
git config --global push.default upstream

# create a personal fork of the origin repo and make it a 2nd remote:
git remote add fork git@github.com:myusername/cool_project.git

# start work on your stuff:
git checkout -b new-feature

# when you get to a point where losing your work would make you very sad:

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$enable_tracing = false
#$trace_out = File.open(Rails.root + 'trace.txt', 'w')

set_trace_func proc { |event, file, line, id, binding, classname|
  if $enable_tracing && event == 'call'
    #$trace_out.puts "#{file}:#{line} #{classname}##{id}"
    raise "crash me" if caller_locations.length > 500
  end
}