ok, checking, the script is working, but it hanged on the "DNS Encironment ready" (wouldn't process further:
Info: Detected RT-AX58U router.
Info: Detected Linux platform.
Info: Detected ARMv7 architecture.
Info: JFFS custom scripts and configs are already enabled.
Info: DNS Environment is Ready.
... that's it it stayed like this for 10 minutes, then I've killed it...
Have exited amtm, rebooted rooter to see if there is any change... sorry, still the same error:
Sep 15 19:38:19 S99AdGuardHome[5236]: Warning: AdGuardHome is dead; Monitor will start it!
Sep 15 19:38:19 S99AdGuardHome[5236]: Started AdGuardHome from S99AdGuardHome[5236].
Sep 15 19:38:19 S99AdGuardHome[5236]: start_adguardhome took 0 second(s) to complete.
In AMTM I can see the version 1.5.7, while when entering ag it still says 1.5.6, but I guess this was not yet coded fully, but just for this case of RT-AX58U