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Headless Setup

SSH

• Write an empty text file named "ssh" (no file extension) to the root of the directory of the card
• https://www.tomshardware.com/reviews/raspberry-pi-headless-setup-how-to,6028.html

Wifi

• country=US
  ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev
  update_config=1
  
  network={
  scan_ssid=1
  ssid="your_wifi_ssid"
  psk="your_wifi_password"
  }

User/Password 

• create a file called userconf or userconf.txt in the boot partition of the SD card
•  This file should contain a single line of text, consisting of username:encryptedpassword
•  generate the encrypted password

  • echo 'mypassword' | openssl passwd -6 -stdin

•  https://www.raspberrypi.com/news/raspberry-pi-bullseye-update-april-2022/

Faster VNC

• Use a dummy HDMI plug to great a dummy physical screen
  • https://www.youtube.com/watch?v=_WMGcFv0QqQ

Overlay Filesystem

• You can't update the system with this enabled
• https://forums.raspberrypi.com/viewtopic.php?t=287831