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KVM Virtualization Cookbook by Konstantin Ivanov

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Getting ready

In order to start a KVM instance, you will need the following:

  • The QEMU binaries, provided after following the Installing and configuring QEMU recipe
  • The custom raw Debian image we built in the Installing a custom OS on the image with debootstrap recipe
  • Processor that supports virtualization
  • The KVM kernel modules

To check whether your CPU supports virtualization, run the following code:

root@kvm:~# cat /proc/cpuinfo | egrep "vmx|svm" | uniqflags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf eagerfpu pni pclmulqdq dtes64 monitor ds_cpl vmx ...

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