Posts

SYNOPSYS

I use a raspberry 5 has media player.
My music and movies are on a usb drive, synced via unison.
I want mpd service to be started / stopped when this USB drive is plugged / unplugged.

DOCUMENTATION

name

PROCEDURE

query the drive serial

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udevadm info --attribute-walk --path=$(udevadm info --query=path --name=/dev/sda1) | grep serial

create a udev rule that starts a systemd service, if you don’t, boot hangs or stalls

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/etc/udev/rules.d/90-usb-mpd.rules
ACTION=="add", SUBSYSTEMS=="usb", ATTRS{serial}=="575841314141364A53544858", TAG+="systemd", ENV{SYSTEMD_WANTS}="usb-mpd@%k.service"

an alternative coordinate system to manage hexagonal grid

how to prevent pipewire from draining your battery

how to reset your PostgreSQL database and restore from a plain pg_dump

bind && postfix setup

the basics

how to manage you gpg keys

how to configure an automatic reboot using systemd timers

how to manually setup a PKI

how to stand in between 2 networks