Editing RaspberryPi4B (section)

==Archive==
===Obsolete Update to 64-bit OS===
* installation of Windows app Pi Imager
* write 64-bit OS lite (w/o desktop) to 64GB microSD
* boot by plug in power
* user 'uwe' <Lr><STANDARD><Lr>
* fixed ip address by Fritzbox
* execute 'raspi-config' and enable SSH, set timezone to Berlin, hostname to 'raspberrypi4', ...
* check version by <code> cat /etc/os-release</code>
* check 32-bit or 64-bit by <code>uname -m</code> arm64 is 64 bit

===Obsolete Initial Operation===
* copy empty file named 'ssh' to root at microSD to enable SSH access
* microSD to slot
* plug-in USB power supply
* login via SSH with user 'pi' and pwd 'raspberry'
* enable WLAN via raspi-config
* set fixed IP for LAN and WLAN via fritz.box to 192.168.178.(72|73)
* update OS via
 sudo apt update
 sudo apt dist-upgrade