Adding ports to sources.list
Solution 1:
If you want apt to find http://ports.ubuntu.com/dists/eoan/, you need to change the URL in the line to just http://ports.ubuntu.com/. ie:
deb http://ports.ubuntu.com/ubuntueoan main
If you want apt to find http://ports.ubuntu.com/dists/eoan/, you need to change the URL in the line to just http://ports.ubuntu.com/. ie:
deb http://ports.ubuntu.com/ubuntueoan main