CPU Supported Virtualization Technology PAE Paravirtualization

CPU should support the Virtualization Technology (Intel-VT) then only we can run Virtualization Software like ( VirtualBox, KVM).Intel Virtualization VT-x(vmx)in /proc/cpuinfo flags.

# cat /proc/cpuinfo | grep vmx flags: 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 syscall nx lm constant_tsc pni monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr lahf_lm

For CPU Supported VT-X Technology

For CPU Unsupported VT-x Technology

 Error Message - This kernel requires an x86-64 CPU. But only detected an i686 CPU.unable to boot - Please use a kernel appropriate for your CPU. - THIS IS FOR 64 BIT OS.

Error Message: This kernel requires the following features not present on the CPU pae unable to boot - please use the kernel appropriate for your CPU. PAE - ParaVirtualization - While try to run 32 bit OS.

Error: Install KVM module but does not support hypervisor option.

SOLUTION: use the appropriate VT-x (vmx) supported CPU Hardware.