Steps
- Access the root (Ctrl+Alt+F1), from the root
- Type “nano /etc/network/interfaces” hit enter
- Type “auto eth0”
- Type “iface eth0 inet static”
- Type “address 192.168.1.99”
- Type “netmask 255.255.255.0”
- Type “gateway 192.168.1.1”
- Press Ctrl+X to exit and type “y” when asked to save (Hit enter)
- Type “reboot” and hit enter key