Shayan Eskandari shayanb

## Drift HD Ghost - Technical Notes and Root

Note: Please don't attempt anything here unless you are comfortable with the possibility of permanently damaging your camera. I also do not guarantee your camera is the same as mine - this is just for information and fun! It goes without saying that I take no responsibility for what you do with this information, and it will probably invalidate your warranty too.

It is reported that the firmware re-flash does not appear to disable the debug network on a Ghost S.

Most of this was found by simply running strings over publically available firmware and software, then searching around for anything interesting.
The camera runs on the Ambarella A5S chipset, which appears to run PrKERNEL (implementing uItron): http://www.esol.com/embedded/prkernelv4.html, then boots Linux as a process inside the uItron OS.
There's lots of references to BOSS in the firmware, presumably a codename for this chipset from Ambarella.
The code on the device-side is a very close im

##MONGODB & PYTHON

###Ubuntu Install

sudo apt-get install mongodb
pip install pymongo

Table - Collection
Column - Property
Row - Document

Installing OpenWRT on a TP-Link MR3220 V2.2

Prerequisites

Download the latest TP-Link firmware

In case the original firmware needs to be restored. Firmware for the MR3220 V2.2 can be found here, select the most recent version (this guide uses TL-MR3220_V2_130423.zip):

http://www.tp-link.com/en/support/download/?model=TL-MR3220&version=V2

Migrating a MySQL DB to a Heroku Postgres Instance

1. Create a MySQL Dump

mysqldump -h<host> --compatible=postgresql -u<user> -p <database_name> > /tmp/my_dump.sql

2. Import MySQL dump locally

cat my_dump.sql | mysql -h<host> -u<user> -p <database_name>

OS X Screencast to animated GIF

This gist shows how to create a GIF screencast using only free OS X tools: QuickTime, ffmpeg, and gifsicle.

Instructions

To capture the video (filesize: 19MB), using the free "QuickTime Player" application:

Python Number Conversion Chart

From	To	Expression

	"""

	Minimal Bitcoin <-> currency exchange rate converter using bitcoinaverage.com API.

	Do HTTP fetches using request library.

	http://bitcoinaverage.com

	http://docs.python-requests.org/en/latest/index.html

	// get the IP address of current-device
	- (NSString *)getIPAddress {
	NSString *address = @"error";
	struct ifaddrs *interfaces = NULL;
	struct ifaddrs *temp_addr = NULL;
	int success = 0;
	// retrieve the current interfaces - returns 0 on success
	success = getifaddrs(&interfaces);
	if (success == 0) {
	// Loop through linked list of interfaces

	-- Remove the history from
	rm -rf .git

	-- recreate the repos from the current content only
	git init
	git add .
	git commit -m "Initial commit"

	-- push to the github remote repos ensuring you overwrite history
	git remote add origin [email protected]:<YOUR ACCOUNT>/<YOUR REPOS>.git

	<?php
	include("/var/www/vhosts/xxxxxcom/httpdocs/PHPUtils/dbConfig.php");
	include("/var/www/vhosts/xxxxxcom/httpdocs/PHPUtils/DButils.php");

	// verifies receipt from iOS in-app purchase
	// returns:
	// 0 - if params missing
	// 1 - if receipt is valid
	// 2 - if invalid receipt, or invalid response from verification server
	// or bundle/in-app IDs are incorrect