add the numbered files to /etc/update-motd.d; you can use the rsync command in the rsync-install.txt file for this
you can generate this motd at any time:
run-parts /etc/update-motd.dthe motd:
#
Welcome to MOTD ~
Date/Time: Tue Mar 11 15:18:46 UTC 2025
Using NVME: "/boot/firmware" is mounted on "/dev/nvme0n1p1"
uname: Linux raspberrypi5 6.6.74+rpt-rpi-2712 #1 SMP PREEMPT Debian 1:6.6.74-1+rpt1 (2025-01-27) aarch64
Hardware: Raspberry Pi 5 Model B Rev 1.0
Uptime: up 18 minutes
SoC TEMP: 44.4 °C
SD/NVM card: 8.9G Used of 431G Available; (3% Usage)
Network: raspberrypi5 IP: 192.168.1.223 wlan0 MAC: d8:3a:dd:a7:b1:fe
OS Ver: Debian GNU/Linux 12 (bookworm)
Kernel: 6.6.74+rpt-rpi-2712 #1 SMP PREEMPT Debian 1:6.6.74-1+rpt1 (2025-01-27)
Start time: Startup finished in 3.193s (kernel) + 8.957s (userspace) = 12.150s
Backup: 2025-03-03/03:48:06-UTC - Updated 20250214_Pi5_imagebackup.img
* see /etc/update-motd.d for run scripts that generate this stuff
------------------ end of motd.d run scripts ---------------------