Wi-Fi Hostpot Bug - KDE Plasma 5 & Ubuntu 20.04

I have a laptop connected to internet via ethernet. I'd like to make a hotspot so that way my phone can connect to the same internet connection. My laptop would create the hotspot, but whenever my phone connects, it would show "Connected, no internet". This is because a binary executable changed from /sbin/iptables to /usr/sbin/iptables. The fix is to create a symbolic link:

ln -s /usr/sbin/iptables /sbin/iptables

Answer courtesy of Angel from stack overflow

In terms of actual setup and starting out, you have to be plugged into ethernet. Open the network manager in the bottom right --> Configurations --> "+" --> "Wi-Fi (Shared)". Then setup your connection name, SSID name, and you can change your password by using WPA/WPA2 Personal and setting a password.

I started using this because my NYC apartment is weird in how the router doesn't want to reach my room, about 75 feet away. An incredibly interesting thing I learned after dealing with this is that 5G connections are interrupted by water. There's a kitchen and bathroom inbetween me and my router, so that's why I've resorted to using a hotspot for this entire time.