Linux KVM: Disable virbr0 NAT Interface
# virsh net-list
Name State Autostart Persistent
--------------------------------------------------
default active yes yes
# virsh net-destroy default
Network default destroyed
# virsh net-undefine default
Network default has been undefined
# service libvirtd restart
# virsh list
Id Name State
----------------------------------
1 centos.nixcraft.in running
2 freebsd running
# virsh list
# virsh shutdown dominName
# virsh shutdown ID
# virsh list
# virsh reboot domaiName
# virsh reboot ID
Forcefully Stop A Guest
# virsh destroy domainName
# virsh destroy ID
Get Information About Guest
# virsh dominfo dominName
Id: 2
Name: freebsd
UUID: 6b7f44df-b67a-b1e1-0f9a-40c9ad760b0a
OS Type: hvm
State: running
CPU(s): 1
CPU time: 26.3s
Max memory: 524288 kB
Used memory: 524288 kB
Autostart: disable
Get Information About Node
# virsh nodeinfo
CPU model: x86_64
CPU(s): 4
CPU frequency: 2394 MHz
CPU socket(s): 1
Core(s) per socket: 4
Thread(s) per core: 1
NUMA cell(s): 1
Memory size: 8181332 kB
virsh autostart vmName
Domain debianlenny1 marked as autostarted
chkconfig libvirtd on