In seeming opposite to the pain of trying to set up remote visual management, Ubuntu seems to handle dual WiFi and dual ethernet connections surprisingly well right out of the box. With a dual 2.5 gig N100 Mini PC, I have it set up so each pair has an input and share.
Normally the PC does not have a connection but inserting a WiFi USB enables the WAN connection. The WiFi hotspot is always enabled, though hidden, so remote management and files are always available.
For the wired connection, a similar setup with one 2.5 NIC as an input and the other shared to any systems that are connected. (Link aggregation not configured.)
Definitely need to document a few scenarios but the out-of-the-box set up is very useful.
Updated and Retried on 25.10 11/26/25
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