These are the alternatives to Captcha (Completely Automated Public Turing test to tell Computers and Humans Apart): Honeypots – hidden form fields which hare filled out by robots, but not by humans on regular home pages. Time Period – evaluate
Install MongoDB on Ubuntu
Problem We need to install MongoDB drivers for PHP/Apache (Ubuntu LTS 12.04). An error message showed up in apache logs when trying to access MongoDB in the Phalcon framework: PHP Fatal error: Class ‘MongoClient’ not found in … Analysis We
Grunt and Bower
For Grunt you need to commit also the packages.json file. To start working with Grunt, instal the CLI: $ sudo npm install -g grunt-cli More info here. Prerequisite To install Grunt, you need to install NPM (Node JS Package Manager)
Information Aggregation in Sensor Networks
Resources Haowen Chan and Adrian Perrig: Security and Privacy in Sensor Networks, Carnegie Mellon University Guangjie Han, Jinfang Jiang, Lei Shu, Jianwei Niu, Han-Chieh Chao, Management and applications of trust in Wireless Sensor Networks: A survey, Journal of Computer and System Sciences, Volume 80,
Node.JS
node.js Node.JS website Latest node.js & npm installation on Ubuntu 12.04 Smart OS the best OS for running Node.JS memory-based based on Open Solaris uses also KVM SmartOS Virtualization npm – Node Package Manager Introduction to npm Installing Node and npm Latest