![]() ![]() Under CentOS 7 you can just install couple of packets – that’s all you need: Reboot your machine and check if the KVM is ~$ cat /proc/cpuinfo |grep -E "vmx|svm"įlags : 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 cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch cpuid_fault epb invpcid_single pti intel_pt tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 avx2 smep bmi2 erms invpcid rdseed adx smap xsaveopt dtherm ida arat pln pts Enable also additional features – Intel VT-d or AMD IOMMU, if they are available.For AMD machine the virtualization cannot be disabled so it is enabled by default, but you can check for additional virtualization features to enable like Virtualization Extensions, Vanderpool and other.For Intel machine you must find option Intel Virtualization Technology (or Intel VT-x) probably in BIOS menu of Chipset, Advanced CPU Configuration or other.Here a several simple step to start a KVM virtual server: STEP 1) Enable KVM in the BIOS To use KVM you must enable it in the BIOS of your server (or desktop machine). QEMU is simple enough and with couple of parameters to it you can start KVM virtual machines with near native performance. To use full virtualization under linux you can use QEMU and no other library or manager like virt-manager. ![]()
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