title: KVM install and QEMU install
body: <p>I try to install qemu, but I should intall the kvm first, and I have checked my cpu supporting the visualization, so I don't know why. Here is the error, when I input kvm.</p>
  
  <blockquote>
    <p>open /dev/kvm: No such file or directory
    Could not initialize KVM, will disable KVM support</p>
  </blockquote>
  
  <p>And a new window for qemu comes out, but there are </p>
  
  <blockquote>
    <p>boot failed....could not read the boot disk, could not read from CDROM(code 0003)</p>
  </blockquote>
  
  <p>What can I do. I searched the methods for a long time. Thanks!</p>
  
  <p>when I use mobprobe, the problem is here, (I checked my CPU, it supports VMX.)</p>
  
  <blockquote>
    <p>FATAL: Error inserting kvm_intel (/lib/modules/2.6.38-8-generic/kernel/arch/x86/kvm/kvm-intel.ko): Operation not supported </p>
  </blockquote>
  
  <p>When I use:<code>~$ kvm -cdrom img.iso -hda disk.img -boot d</code> </p>
  
  <blockquote>
    <p>open /dev/kvm: No such file or directory Could not initialize KVM, will disable KVM support kvm: -cdrom img.iso: could not open disk image img.iso: No such file or directory </p>
  </blockquote>
  
  <p>I don't know why..... Thanks!</p>