Raspbian

Stuff for my Raspi / Raspi3 / Raspi4

basics

default login: pi/raspberry

initial package updates

sudo apt-get update
sudo apt-get dist-upgrade
sudo apt purge -y cloud-init 
sudo apt-get autoremove --purge
sudo apt-get install vim mc git

raspi-config

sudo raspi-config
- Update
- Network : set hostname
- Interfacing options : Enable SSH
- Localization -> change Keyboard Layout
- advanced -> disable logging (to reduce SD usage)
- Locale -> en.US.UTF-8

for locale issues run

sudo dpkg-reconfigure locales

SSH password-free-login

ssh-copy-id pi@raspi

Static IP

(not used, set via DHCP server FritzBox instead)

sudo nmtui

NTP Enable Time Sync

sudo apt-get install systemd-timesyncd
sudo timedatectl status
# sudo timedatectl set-ntp true

pi-hole, unbound, log in ram, ...

https://forum.kuketz-blog.de/viewtopic.php?f=53&t=8759

which IPv6 address?

ip a ls |grep fd00

config.txt

Location

Raspbian old:

sudo vim /boot/firmware/config.txt 

Raspbian old:

sudo vim /boot/config.txt 

Libreelec:

mount -o remount,rw /flash
nano /flash/config.txt
mount -o remount,ro /flas

Power Saving

see https://blues.io/blog/tips-tricks-optimizing-raspberry-pi-power/

disable Wifi and Bluetooth

[all]
# disable wifi
dtoverlay=disable-wifi
# disable bluetooth
dtoverlay=disable-bt

Disable Onboard LEDs

[pi4]
# Disable the PWR LED
dtparam=pwr_led_trigger=none
dtparam=pwr_led_activelow=off
# Disable the Activity LED
dtparam=act_led_trigger=none
dtparam=act_led_activelow=off
# Disable ethernet port LEDs
dtparam=eth_led0=4
dtparam=eth_led1=4

cmdline.txt

add "quiet" to remove kernel boot messages

sudo vim /boot/firmware/cmdline.txt
console=tty1 root=PARTUUID=eedf3243-02 rootfstype=ext4 fsck.repair=yes rootwait quiet cfg80211.ieee80211_regdom=DE

CPU

from https://raspberrypi.stackexchange.com/questions/103653/setting-the-maximum-clock-speed

set powersave at runtime

sudo apt install cpufrequtils
sudo cpufreq-set -g powersave

systemctl_Services

see Linux_Bash_Shell_Scripting#systemctl_Services

Install uv

https://docs.astral.sh/uv/getting-started/installation/

# install
curl -LsS f https://astral.sh/uv/install.sh | sh
# update
uv self update

MQTT

sudo apt install mosquitto mosquitto-clients

sudo vim /etc/mosquitto/mosquitto.conf
per_listener_settings true
allow_anonymous false
listener 1883
password_file /etc/mosquitto/passwd
# see http://www.steves-internet-guide.com/mqtt-username-password-example/
 
sudo vim /etc/environment
PW_MQTT=XXX

Other

grant access to tty to user pi

sudo usermod -a -G tty pi