How to install a loopback adapter in Ubuntu

Loopback tap installation in Ubuntu:-

• sudo apt-get install uml-utilities

• sudo modprobe tun

• sudo tunctl

• sudo ifconfig tap0 192.168.10.10 netmask 255.255.255.0

• sudo ifconfig

 If you want to install second loopback :-

• sudo tunctl 

• sudo ifconfig tap1 192.168.11.10 netmask 255.255.255.0

Reinstall / Recover Grub from Ubuntu live CD / USB