How to Install KVM on Fedora 40 – Step-by-step

Installing

2. 2. Pre-Installation Checks

   First, Check KVM Virtualization is available
   With:

   egrep -c '(vmx|svm)' /proc/cpuinfo

   If in Output > 0 then your Processor support Hardware Virtualization!
   (But on a PC you may have still to enable it on BIOS…)

   Finally, if the answer is negative you can still use KVM but only in a Slow mode…

3. 3. Installing KVM

   Now you are Ready to Install KVM on Fedora System
   Now KVM should already be there, to Check for it try to load the Kernel Module:

   modprobe kvm

   Again on Intel Processors:

   modprobe kvm_intel

   But for AMD instead:

   modprobe kvm_amd

   Last, to Add the default Virtualization Frontend managing Stack run:

   sudo dnf install virt-manager @virtualization