catacs

#!/bin/bash
cd /
tar cvpzf system-backup.tgz --exclude=/proc --exclude=/lost+found --exclude=/system-backup.tgz --exclude=/mnt --exclude=/tmp --exclude=/sys /

catacs

#!/bin/bash

echo "Baned last log"
awk '($(NF-1) = /Ban/){print $NF}' /var/log/fail2ban.log | sort | uniq -c | sort -n
echo "------------ Baned in all files  --------------"
zgrep -h "Ban " /var/log/fail2ban.log* | awk '{print $NF}' | sort | uniq -c
echo "------------ Baned by subnet --------------------"
zgrep -h "Ban " /var/log/fail2ban.log* | awk '{print $NF}' | awk -F\. '{print $1"."$2"."}' | sort | uniq -c  | sort -n | tail
echo "------------ Baned by date -------------------------"
zgrep -h "Ban " /var/log/fail2ban.log* | awk '{print $5,$1}' | sort | uniq -c

catacs

// Constructor
var Class = function (value1, value2) {
  this.value1 = value1;
};

// properties and methods
Class.prototype = {
  value1: 'default_value',
  method: function (argument) {
    this.value2 = argument + 100;

catacs

// Constructor
var Class = function(value1, value2) {  }

// Factory
Class.factory(value1) { 
  return new Class(value1, 'aaa'); 
};

// properties and methods
Class.prototype = { ... };

catacs

var Singleton = (function () {
  var privateVariable = 'value';

  function privateFunction() {
  }

  function publicFunction() {
  }

  return {

catacs

• http://bites.goodeggs.com/posts/export-this/

catacs

Javascript Books

• Learning JavaScript Design Patterns
• Nodejs anti-patterns

catacs

Centos 6.7

export PKG_CONFIG_PATH=/usr/lib64/pkgconfig:/usr/src/mongo-c-driver-1.3.3/src/:/usr/local/lib/pkgconfig/

catacs

Security:

• https://blog.nodeswat.com/implement-access-control-in-node-js-8567e7b484d1#.kmx6akt2a

• https://www.nginx.com/blog/5-performance-tips-for-node-js-applications/

• https://www.owasp.org/images/f/fa/AppSecIL2016_NodeJS-Security_LiranTal.pdf

• https://nodesource.com/blog/nine-security-tips-to-keep-express-from-getting-pwned/

catacs

const bodyParser = require('body-parser');
const express = require('express');
const app = express();
const multer  = require('multer');
const upload = multer();

app.use(bodyParser.json());

var router = express.Router();