June 17, 2025

pbhanot

Understanding the SPI Protocol: A Comprehensive Guide
MicroController, Protocols

Understanding the SPI Protocol: A Comprehensive Guide

The Serial Peripheral Interface (SPI) protocol is a widely used communication standard that facilitates data exchange between microcontrollers and peripheral devices such as sensors, memory modules, displays, and other digital systems. Developed by Motorola in the mid-1980s, SPI has become a standard for high-speed, full-duplex communication in embedded systems and electronics.

Read More
A Comprehensive Guide to grep and ripgrep
Linux, Linux Commands

A Comprehensive Guide to grep and ripgrep

In the world of text processing and system administration, grep and ripgrep are two highly popular tools that help users search for patterns within files. Both tools have similar core functionalities, but they differ in performance, usage, and additional features. In this article, we'll explore what these tools are, how they work, and compare them to help you understand when to use each.

Read More
Exploring the find, fd, and locate Commands in Linux: Tools for Efficient File Searching
Linux, Linux Commands

Exploring the find, fd, and locate Commands in Linux: Tools for Efficient File Searching

In Linux, finding files can be a frequent task, whether you're working on a system with numerous directories or trying to locate a specific file buried deep within the filesystem. To aid in this process, there are several command-line tools available, each designed to help users quickly search and identify files. Among the most commonly used are the find, fd, and locate commands.

Read More
Understanding the lsof Command: A Comprehensive Guide
Linux, Linux Commands

Understanding the lsof Command: A Comprehensive Guide

The lsof command in Unix-based operating systems stands for "List Open Files." As the name suggests, it is used to list all open files and the processes that opened them. It provides valuable insights into which files are being accessed by which programs, making it an essential tool for system administrators, developers, and anyone interested in monitoring system resources and troubleshooting.

Read More
An Introduction to Firejail: A Powerful Security Tool for Linux
Linux, Networking

An Introduction to Firejail: A Powerful Security Tool for Linux

Firejail is a powerful and flexible Linux security tool designed to sandbox applications and reduce the risk of security vulnerabilities, isolation breaches, and system-wide compromises. It works by leveraging Linux namespaces, seccomp-bpf, and other security mechanisms to isolate applications within a confined environment, thereby minimizing the impact of potential exploits. The tool is lightweight, easy to use, and does not require significant changes to the system or applications.

Read More