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HA

---

SPOF

A single point of failure (SPOF) is a part of a system that, if it fails, will stop the entire system from working.

source: wikipedia

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Problems

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source: [projectcartoon.com](http://www.projectcartoon.com/cartoon/2)

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// Use Gists to store code you would like to remember later on
console.log(window); // log the "window" object to the console

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#!/bin/sh
if pgrep Dropbox > /dev/null; then
        osascript -e 'tell application "Dropbox" to quit'
fi
diskutil unmountDisk /dev/disk2 > /dev/null 2>&1

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var fs = require('fs');
var express = require('express');
var app = express();
var path = require('path');


app.get('/:site/:file', function(req, res, next){
  var filePath = path.join(__dirname + '/sites' , req.params.site, req.params.file);
  if (fs.existsSync(filePath)){
    res.sendfile(filePath);

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#!/bin/sh
##3.5...10...15...20...25...30...35...40...45...50...55...60...65...70...75...80
## 
##  Debian / Linux / Ubuntu / LSB
##  Startup script for Express / Node.js application with the forever module
##
##
##  A modification of "init.d.lsb.ex" by Nicolas Thouvenin 
##
##

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"use strict";
var https = require('https');
var fs = require('fs');
var auth = require('http-auth')
var jsDAV = require("jsDav/lib/jsdav");

jsDAV.debugMode = false;
var jsDAV_Locks_Backend_FS = require("jsDav/lib/DAV/plugins/locks/fs");
var basic = auth({
    authRealm : "Private area.",