How to Secure Your Linux System by Adding a Bootloader Password

The GRUB (Grand Unified Bootloader) is a bootloader that is used by many Linux distributions to boot the operating system. You can set a password for GRUB to protect the boot process and prevent unauthorized changes to the boot options.To set a password for GRUB...

DIY WiFi Repeater with an ESP8266: A Step by Step Guide

 The ESP8266 is a low-cost, low-power microcontroller with built-in WiFi support. It was originally developed by Espressif Systems as a solution for offloading WiFi networking functions from more expensive, power-hungry microprocessors.An ESP8266 WiFi repeater, also known as a WiFi range extender,...