Second Network Card Not Being Detected
You have dual onboard NIC and ifconfig displays only one interface (eno1) in Ubuntu.
eno1 is embedded (onboard) Network Interface Card.
- Make sure Linux able “see” your networking hardware
sudo lspci | grep Ether
- Add eno2 in Interfaces file: /etc/network/interfaces
auto eno2 iface eno2 inet dhcp
- Restart networking service:
$ sudo service networking restart