KVM Commands

To install with prompt

 virt-install --prompt  

List virtual machine

 virsh list 

Stop virtual machine

 virsh destroy

Configure VM autostart

 virsh autostart

Unconfigure VM autostart

 virsh autostart --disable

To install using kickstart

 virt-install --name=rhel03.localdomain -r 768 --disk path=/var/lib/libvirt/images/rhel03.localdomain.img,size=8 -l http://192.168.122.1/pub/inst -x "ks=http://192.168.122.1/pub/ks/rhel03.cfg"

To create VM snapshot

 virsh save centos01 centos01.snap.$(date +%y%m%d)

To restore VM snapshot

 virsh shutdown centos01  
 virsh restore centos01.snap  

Clone vm

 virt-clone --original centos01 --name centos02 --file /home/penoycentral/images/centos02.img  

Troubleshooting KVM

Error when starting the VM snapshot
error restoring domain unable to read from monitor


To fix

 virsh managedsave-remove domain-name