Comment by najeh for I have used virtualbox 1 vm for Controller ( 8G or 6G ram , 4 core cpu) 1 vm for Compute ( 4G ram , 4 or 2 core cpu) Each vm has 2 network interfaces 1- bridg adapter for provider network 2- vboxnet for management network (10.0.0.0/24 base on the tutorials) An then followed this toturial : https://docs.openstack.org/install-gu...

@esxzawq This is my /etc/network/interfaces file for both controller and compute nodes with enp5s0 is the management ip found from dhcp, is it correct ? auto lo iface lo inet loopback auto enp5s0 iface enp5s0 inet manual up ip link set dev $IFACE up down ip link set dev $IFACE do