Notes
Things we set up at home and got working, written down so the next person does not have to rediscover the hard parts. Exact menus, commands, and the mistakes we made along the way.
No ads, no affiliate links. Each page says what it was tested on and when, because this kind of thing goes stale.
Pages
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Epson scanner on 5 GHz: it needs a 20 MHz channel
An Epson RR-620W would not join 5 GHz Wi-Fi at 80 or 40 MHz and crawled on 2.4 GHz. One access point at 20 MHz got it scanning at full speed, for an afternoon. The numbers, the UniFi setup, and why we would not buy it again.
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Stop a smart TV from dodging Pi-hole and scanning your network
Smart TVs on their own UniFi VLAN, every DNS lookup forced through Pi-hole, and the LG's network scan boxed in. Ten steps with the exact rules and commands.