Ok, yeah, I think your last sentence is probably where I was thinking…
Yep, repo packages are going to be fairly good except for watering hole attacks, but PDFs and other documents could be a potential source of malware that anti-malware software would - potentially - protect the user.
Can you expand further?
I had to modify the wiring in a - fairly new - tractor once.
I opened up an inspection panel and found a pair of pliers in there, used them to fix the wiring and took them out.
I gained a tool and fixed an annoying rattle too.
If you’re not usng it for your own purposes, I doubt you’ll do what a bunch of strangers on Lemmy will tell you to do.
It needs to be running, either in your possession, or someone else’s, so sell it and make some profit from the recent price rises. Put a minimum sell price on ebay and it’ll go eventually.
Get 2 devices, set them up the same and put 1 in a cupboard.
When you make a change / update and / or the hardware fails, then you can still recover.
Personally I have a Fritz router in bridge / pass through mode, then a pfSense firewall - basically a low-ish power microATX (I think) PC - which does all my adblocking and DNS as well as reverse proxy for home assistant, etc.
Works well. But I had a SSD failure once and that was difficult to live with…