rbuck

#!/bin/sh

# I use local VMs on Mac for all our development in
# Docker. And our choice of VM technology is VMWare.
# And those VMs are Ubuntu Server based. One issue,
# VMWare Tools fails to install, and I've never seen
# it succeed once with years of use.

# That said, VMWare is far superior to VirtualBox.
# For VirtualBox, we find the Docker and Kinematic

rbuck

def get_globals
  hash = {}
  global_variables.sort.map do |symbol|
    begin
      value = eval ("#{symbol}")
      hash[symbol] = value unless value.nil?
    rescue
      nil
    end
  end

rbuck

require 'rubygems'
require 'eventmachine'
require 'sinatra/base'

EM.next_tick do
  EventMachine.add_periodic_timer(1) do
    puts "hello"
  end
end

rbuck

require 'rubygems'
require 'eventmachine'
require 'sinatra/base'
require 'sinatra'

EM.run {
  EventMachine.add_periodic_timer(1) {
    puts "hello"
  }
  my_app = Sinatra.new { get('/') { "hi" } }

rbuck

Finding conflicting information on the web I decided to write a Gist on the topic.

First open Terminal, then select Terminal, Preferences, Settings.

For the Home and End keys set 'send string to shell', and in the text box enter Control-A for Home and Control-E for End.

rbuck

wget http://oss.oetiker.ch/rrdtool/pub/rrdtool-1.4.5.tar.gz
(
cd rrdtool-1.4.5
./configure --prefix=/opt/rrdtool
make
sudo make install
)

wget http://collectd.org/files/collectd-5.0.1.tar.gz
tar xzvf collectd-5.0.1.tar.gz