Headless_Pi/README.md

Headless_Pi

How to setup a Raspberry Pi headless.

Get an Image

Download the Lite Image from here: https://www.raspberrypi.org/software/operating-systems/ and flash it with the tool from here: https://www.balena.io/etcher/

Changes on boot

• Add an empty file named ssh on boot partition to enable ssh
• Add a new file named wpa_supplicant.conf on boot partition to enable WiFi on boot. Use attached wpa_supplicant.conf as example.

Fire up

• Inserd SD-card in your raspi and power it up. Wait afew minutes to let it boot up.
• you can get the IP of your raspi by looking at your dhcp-server or your wlan-router
• login via ssh on your raspberry pi with the user pi and raspberry as password
• open up sudo raspi-config and change your pi password!
• expand filesystem to get the most of your SD-card space

prepair anything else

• create a ssh key with ssh-keygen for user pi
• go to admcenter and ssh-copy-id pi@<your-pi-ip> and login with your new pi password
• initiate the new system with ansible ansible-playbook -i <your-pi-ip>, -u pi /etc/ansible/playbooks/init.yml

python3 installation

• install python3 with sudo apt install python3 python3-dev
• generate alternatives:
  • update-alternatives --install /usr/bin/python python /usr/bin/python3.7 2 # on debian buster default python3 is 3.7
  • update-alternatives --install /usr/bin/python python /usr/bin/python2.7 1 # old python version