Mosquitto is a message broker that implements the MQTT protocol. Mosquitto is an open-source project developed by Eclipse. MQTT protocol uses a publish/subscribe model. Client can publish message to a...

JSON is a text-based data format which is widely used for storing or exchanging data between systems. The jq is a command line based JSON processor that allows to transform...

Avatto Wi-Fi wall socket is 16 A wall socket that has two USB ports and integrated ESP8266 Wi-Fi module. This socket is compatible with Tuya Smart mobile application that allows...

MQTT protocol uses a publish/subscribe model. Client can publish message to a broker and other clients can subscribe to the topic of that message. The following table provides a links...

The age is an open-source and cross-platform tool that allows to encrypt and decrypt files. This tool is written in Go programming language. This tutorial demonstrates how to install and...

There are many commands and applications that use system time zone to perform various operations. In that scenario is important to set correct time zone in the system. This tutorial...

The dog is an open-source tool for DNS lookup. It allows to get various DNS records (A, AAAA, MX, NS, etc.) for a domain. This tool has colourful output, supports...

The ctop is a tool that enables to monitor resources for containers. This tool has support for Docker and runC. The ctop displays CPU, RAM, network, and disk usage of...

Lua is a high-level, dynamically typed programming language that designed for embedded use in applications. Lua is often used as scripting language for game development. This tutorial shows how to...

Rust is an open-source, high-level, general-purpose programming language. Rust does not have garbage collection, guarantees memory-safety and thread-safety. This tutorial explains how to install Rust on Ubuntu 20.04. Prepare environment...