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a collection of memories

Reduce power on volumio
Reduce power consumption on the Raspberry Pi 3+
Raspberry Pi external HDD
Automatically mount external USB drives on Raspbian Buster
npm global on macOS
Node.js and npm on a macOS machine without sudo
Export VS Code extensions
Use all installed extensions across different machines
Login as root via ssh
Allow loging in on Linux boxes as root user via ssh protocol
WPScan utility on Ubuntu
WordPress vulnerability scanner on a Ubuntu machine
Program Atmega328 chips
Migrate from an Arduino board to a standalone microcontroller
Program ATtiny85 chips
Program 8-pin Atmel chips as you would normally an Arduino
MQTT on a Raspberry Pi
Talk between IOT devices with Mosquitto and Paho
Raspbian Stretch headless
No Keyboard, Mouse, Display, HDMI or USB
Samba file sharing server
The standard Windows interoperability suite of programs for Linux and Unix
Email with sSMTP and PHP
A send-only sendmail emulator for machines
LAMP Stack on Ubuntu
Apache, MySQL, and PHP web service stacks on Ubuntu 16.04
MySQL with Python
Use Python dynamic insertion in database applications with MySQL
Sending email with Python
Use standard Python library module for working with emails
RPi.GPIO for Raspbian
Installation of a module to control Raspberry Pi GPIO channels
Cron schedule expressions
Configuring the Cron service via crontab command in Linux
Screen command in Linux
Using the "screen" command in linux for multiple shell windows
Resources on the Web
Random useful internet sources for design and development
Image modal in Bootstrap
Dynamic images in Bootstrap modal windows