Firstly, thank you for your interest in contributing to our tutorials. We use Jekyll + Markdown for our documentation. To contribute, simply make a pull request (PR) with changes in the Markdown files ...

This tutorial should help you build a VPN Server using a DigitalOcean Droplet. The same steps should apply to instances on AWS and Azure. In case you choose to build the server on AWS or Azure, you ...

Mastodon was founded in 2016 by German software developer Eugen Rochko. Unlike Twitter, Facebook, Reddit or any other popular social media site, Mastodon is a nonprofit, meaning that, ideally, its ...

Abstract: Sensors are used to monitor certain aspects of the physical or virtual world and databases are typically used to store the data that these sensors provide. The use of sensors is increasing, ...

Abstract: Providing accurate and opportune information on people's activities and behaviors is one of the most important tasks in pervasive computing. Innumerable applications can be visualized, for ...

January 26, 2026 • The 18-term delegate for the District of Columbia in Congress and a veteran of the Civil Rights Movement has filed paperwork to end her campaign for reelection.