Linux Internet sharing via iptables

sudo sysctl net.ipv4.ip_forward=1

sudo iptables -t nat -A POSTROUTING -o eno1 -j MASQUERADE

sudo iptables -A FORWARD -i enp7s1 -o eno1 -j ACCEPT

sudo iptables -A FORWARD -m conntrack –ctstate RELATED,ESTABLISHED -j ACCEPT