I would give some feedback after my last installation:
System is running as a www-server with access to the internet (only ports 80/443), only with micro-sd-card.
Linux rock-pi-4 6.1.62 #1 SMP PREEMPT Thu Nov 9 23:46:43 UTC 2023 aarch64 GNU/Linux
17:17:30 up 55 days, 23:36, 1 user, load average: 0.00, 0.00, 0.00
TX packets 9292001 bytes 9861834815 (9.1 GiB)
dmesg: any failures
My installation path: Downloading http://slackware.uk/slarm64/slarm64-current/
(any updates since weeks).
Regards
dyha