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SSH:

• Disable root login
• Disable password authentication
• Use sudo-based privilege separation
• Use public key authentication (ECDSA, Ed25519, etc...)
• (Optional) Store key on smartcard
• (Optional) Use a two-factor system such as Duo
• (Optional) Change port of SSH to non-default (this is security by obscurity, but it deters most automated attacks, although this shouldn't matter if you're using key-based auth).

Firewall:

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0. (optional) OSX + Virtualbox users need an extra step to format sd card: http://www.geekytidbits.com/mount-sd-card-virtualbox-from-mac-osx/
1. Head to https://archlinuxarm.org/platforms/armv6/raspberry-pi (Raspberrypi Zero) for instructions on how to get ARMv6 dist of Arch Linux
2. Plug SD card on Raspbery Pi and boot it up, it should be ready to go
3. Login to Arch Linux root:

• user: root
• pass: root

0. Create new user:

• useradd -m -G wheel -s /bin/bash username
• passwd username

0. Remove defaul alarm user:

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How to set up Git GPG signed commits

1. Generate GPG key

https://help.github.com/articles/generating-a-new-gpg-key/

• PS: During latest setup homebrew ended up installing gpg as gpg2, that requires some very minor tweaks and of course making sure the commands use gpg2 instead of gpg
• PS2: Make sure to save key to 1 Password or equivalent

2. Add key to Github account

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// everyone's better of using a proper solution: https://github.com/Automattic/util-inspect

export function traceme(obj, depth) {
  if (depth===0) return;
  for (var key in obj) {
    if (obj[key] && obj[key].constructor.prototype === Array.prototype) obj[key] = obj[key].toString();
    var value = typeof obj[key] === 'object' && obj[key] !== null ? traceme(obj[key], depth-1) : obj[key];
    console.log(key + ': ' + value);
  }
}

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Setup Mac OS X

This is just a personal script to help me remember all the steps required to setup a new osx machine in their correct order. I do not advise you to follow this guide if you don't know what you're doing.

Setup

0. Setup iCloud

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// Get a reference to origin func
var _exit = process.exit;

// Monkey patch it to a local func
process.exit = function () {
  assertStuff();
};

// Release monkey patching
process.exit = _exit;

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var yeoman = require('yeoman-generator');
var argv = require('minimist')(process.argv.slice(2));


module.exports = yeoman.generators.Base.extend({
    constructor: function (args, options) {
        if (options['module-name']) {
            // don't really remember why getting from argv with an options fallback
            this.moduleName = argv['module-name'] || options['module-name'];
        } else {

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var getGrunt = function () {

  var grunt = require(path.join(__dirname, 'temp/node_modules/grunt'));
  grunt.option('gruntfile', path.join(__dirname, 'temp/Gruntfile.js'));
  return grunt;

};

// Running the test task inside a describe/it block:
getGrunt().tasks(['test'], {}, callback_fn);