libvirt-kvm-cfg.sh

# setup

apt install qemu-kvm libvirt-bin virtinst bridge-utils

# modify /etc/network/interfaces (replace eth0 with br0)
auto br0
iface br0 inet static
        address 192.168.0.10
        network 192.168.0.0
        netmask 255.255.255.0
        broadcast 192.168.0.255
        gateway 192.168.0.1
        dns-nameservers 192.168.0.5 8.8.8.8
        dns-search example.com
        bridge_ports eth0
        bridge_stp off
        bridge_fd 0
        bridge_maxwait 0


# reboot & check with:
brctl show br0

cd /var/lib/libvirt/boot
wget http://releases.ubuntu.com/16.04.2/ubuntu-16.04.2-server-amd64.iso

cd /var/lib/libvirt/images
qemu-img create -f raw ubuntu-guest-2.img 20G

# virtio -> faster than ide 
virt-install --name ubuntu-guest-2 \ 
--memory 2048 --disk path=/var/lib/libvirt/images/ubuntu-guest-2.img,bus=virtio \ 
--network bridge=br0 --cdrom=/var/lib/libvirt/boot/ubuntu-16.04.2-server-amd64.iso \ 
--graphics vnc,listen=0.0.0.0,port=590x

# get vnc info
virsh dumpxml gitlab-vm | grep vnc

vncviewer iphost::590x # from tigervnc

# force stop
virsh destroy ubuntu-guest-2

#comment vnc lines (<!-- -->)
virsh edit ubuntu-guest-2

# to reload xml:
virsh define /etc/libvirt/qemu/ubuntu-guest-2.xml

virsh start ubuntu-guest-2

# extra
# delete vm
virsh undefine ubuntu-guest-2