Use of Default GNOME Desktop Screen Capturing Tool — Ever wanted to record the screen of Ubuntu? 📽 Can’t decide which one to use? Okay, join me in the fun of not using any external tools 👌. There’s a built-in screen recorder in Ubuntu 📦, which you might have already figured out, and need to know how to increase…

Installing Zsh + Oh My Zsh + Powerlevel10K — The title of this article could also be: Why you should consider using Oh My Zsh over Bash. As Developers, we spend lots of time in Terminal than we think⏳. Bash has become the de-facto terminal shell ever-since it’s the factory-fitted shell in most OSs 🙇. But, have you ever…

Create Your Own Homebrew Package — For those who haven’t heard about Homebrew; It’s a well-known package manager for the Mac OS users. With this article, you will learn on how to contribute your own package to the Homebrew system. Thought it’s worthwhile to understand insides-out of the Homebrew before we jump into the hacking. …

A learner’s guide to the UI framework of the WSO2 IoT Server 3.x — Back in the day at WSO2, I took part in a team to revamp a UI framework called Unified UI Framework (UUF). As the name implies; it is meant to be the governing UI for sharing reusable UI bits and pieces between enterprise apps. At the time we start working…

Connecting Modbus Devices for WSO2 IoT Server — Modbus is a matured protocol and have claimed to be the de facto industrial serial standard since its introduction to the market in 1979. Modbus has allowed millions of automation devices to communicate each other. For the record, Modbus even has a reserved system port 502 on the TCP/IP stack. …

A comprehensive guide to setup OIDC with WSO2 IoTS — The WSO2 IoT Server is a flexible open source IoT Platform licensed under the Apache 2.0 license with a large open source community. It provides the essential capabilities required to implement a scalable server-side IoT Platform. In this article, we will be configuring WSO2 IoT Server with the OpenID Connect(OIDC)…