Enable internet sharing in the local network

routes.sh

# ! /bin/bash
# Share internet connection
# enxfcde56ff0106 -> interface which has an internet connection
# enp1s0 -> Interface which has connected to the network that we have to share the internet
# 192.168.100.0/24 -> local subnet
# Please replace the above values/interaces with the ones you have in your computer

sudo iptables -A FORWARD -o enxfcde56ff0106 -i enp1s0 -s 192.168.100.0/24 -m conntrack --ctstate NEW -j ACCEPT
sudo iptables -A FORWARD -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT
sudo iptables -t nat -F POSTROUTING
sudo iptables -t nat -A POSTROUTING -o enxfcde56ff0106 -j MASQUERADE