assume they have multiple of these displays around and for them it would make more sense to use something more centralized, like zabbix
The one I saw a decade ago yielded SNMP to solarwinds (I know I know) rather well, but they mainly used PING on it to see when the radio link died.
Fancy that – when the parks n rec sites were converted to e-billboards, they had power but no net line, and “radio’s fine”. Show me an old linux billboard host and I’ll show you a canvas my inner child can’t wait to e-graffiti.