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: Sat Aug 10 18:59:00 UTC 2024
Using SD card: "/boot/firmware" is mounted on "/dev/mmcblk0p1"
uname: Linux rpi3a 6.6.31+rpt-rpi-v8 #1 SMP PREEMPT Debian 1:6.6.31-1+rpt1 (2024-05-29) aarch64
Hardware: Raspberry Pi 3 Model A Plus Rev 1.1
Uptime: up 1 week, 3 days, 20 hours, 44 minutes
SoC TEMP: 40.8 °C
SD/NVM card: 2.4G Used of 25G Available; (9% Usage)
Network: rpi3a 192.168.1.148
OS Ver: Debian GNU/Linux 12 (bookworm)
Kernel: 6.6.31+rpt-rpi-v8 #1 SMP PREEMPT Debian 1:6.6.31-1+rpt1 (2024-05-29)
Backup: 2024-08-10/12:05:56-UTC - Updated 20240723_Pi3A_bookworm_imagebackup.img
* see /etc/update-motd.d for run scripts that generate this stuff
------------------ end of motd.d run scripts ---------------------