Raspberry Pi

Setting up two-factor authentication on your Raspberry Pi – link

Move away from booting from MicroSD to SDD – link

Getting started with Docker – link

Setting up (gmail) system integration – link

Being notified of updates via apticron

Have this cron job to email me if pihole needs an update

MAILTO=”email address”
0 5 * * SUN /usr/local/bin/pihole -up –check-only

Its possible via a cron @reboot for an email to be sent

Pico on Audunio and the free getting started with Pico guide

Not sure which model and ram size you have – try this script