====== Raspian 13 (trixie) ======

===== Prepare SD card =====
  * Download and install the [[https://www.raspberrypi.org/software/|Raspberry Pi Imager]]
  * Run the imager and follow the on-screen instructions which takes you through all settings and let's you set the user, default SSH login and hostname

===== Install OS =====
  * Boot from SD card
  * Update all packages<file>sudo apt update
sudo apt upgrade</file>

===== Install functionality =====
==== Dynamic DNS ====
=== Find the external IP address ===
  curl ifconfig.me: Displays your public IP address directly.
  curl -s ipinfo.io/IP: Alternative method to show only the IP.
  dig TXT +short o-o.myaddr.l.google.com @ns1.google.com: Queries Google's DNS server for your IP. 

  wget "https://www.duckdns.org/update?domains={YOUR_SUBDOMAIN}&token={YOUR_TOKEN}&ip="
  
  echo "word" > filename.txt
  
  #!/bin/bash
  while read line; do
    word=( $line )
    echo $word
  done < $1
  if [ $word == "192.168.1.1" ]; then
    echo "equal"
  else
    echo "not equal"
  fi


==== Links ====
  * [[https://pimylifeup.com/raspberry-pi-duck-dns/|How to Set Up Duck DNS on the Raspberry Pi]]