KVM Virtualization Cookbook
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How to do it...

  1.  Start a new KVM-accelerated qemu instance:  
root@kvm:~# qemu-system-x86_64 -name debian -vnc 146.20.141.254:0 -cpu Nehalem -m 1024 -drive format=raw,index=2,file=debian.img -daemonize    
root@kvm:~#
  1.  Ensure that the instance is running:
root@kvm:~# pgrep -lfa qemu    
4987 qemu-system-x86_64 -name debian -vnc 146.20.141.254:0 -cpu Nehalem -m 1024 -drive format=raw,index=2,file=debian.img -daemonize
root@kvm:~#
  1. Start the VNC client and connect to the VNC server on the IP address and display port you specified in step 1:
The VNC login screen
  1. Log in to the instance using the root user, then check the CPU type and available memory as shown here:
 VNC session