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