hillz2

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Read-only FS on Arch Linux ARM

Unlike your typical computer where you usually shutdown properly, I cannot rely on this during the use of my Raspberry Pi. If the Raspberry Pi is improperly shutdown too many times, data corruption in the file system leading to unbootable SD card may result. So we should use a read-only file system.

Full instructions and explanations are obtained from this link but you can run these commands directly. I modified some of the instructions for personal convenience.

Login with default username: alarm, password: alarm

#Optionally enable root over SSH. The rest of these instructions assume u are in root.

	import cv2.cv as cv
	import tesseract
	gray = cv.LoadImage('captcha.jpeg', cv.CV_LOAD_IMAGE_GRAYSCALE)
	cv.Threshold(gray, gray, 231, 255, cv.CV_THRESH_BINARY)
	api = tesseract.TessBaseAPI()
	api.Init(".","eng",tesseract.OEM_DEFAULT)
	api.SetVariable("tessedit_char_whitelist", "0123456789abcdefghijklmnopqrstuvwxyz")
	api.SetPageSegMode(tesseract.PSM_SINGLE_WORD)
	tesseract.SetCvImage(gray,api)
	print api.GetUTF8Text()

	// iMacro CheatSheet - Command Reference
	// http://wiki.imacros.net/Command_Reference


	// iMacros supports 3 types of variables:
	// * The macro variables !VAR0 thru !VAR9. They can be used with the SET and ADD command inside a macro.
	// * Built-in variables. They contain certain values set by iMacros.
	// * User-defined variables. They are defined in-macro using the SET command.

	# create an account, create an app
	# @see https://apps.twitter.com/

	# retrieve the access tokens
	# @see https://dev.twitter.com/oauth/reference/post/oauth2/token

	# create the file ~/twitter_api
	nano ~/twitter_api
	Authorization: OAuth oauth_consumer_key="XXXXXX", oauth_nonce="11111111", oauth_signature="XXXXXX", oauth_signature_method="HMAC-SHA1", oauth_timestamp="1450728725", oauth_token="99999-XXXXXX", oauth_version="1.0"

-var deleteAllGroupMembers = (function () {
-    var deleteAllGroupMembers = {};
-    // the facebook ids of the users that will not be removed.
-    // IMPORTANT: add your own facebook id here so that the script will not remove yourself!
-    var excludedFbIds = ['1234','11223344']; // make sure each id is a string!
-    var usersToDeleteQueue = [];
-    var scriptEnabled = false;
-    var processing = false;
-    deleteAllGroupMembers.start = function() {

	import urllib2


	# retrieve token
	url="http://192.168.8.1/api/webserver/token"
	response = urllib2.urlopen(url)
	xml=response.read()
	token=xml[59:-23]
	print "Got token %s" % token