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Virtualization on Fedora [30], including:

• KVM
• QEMU
• libvirt

External links:

• Fedora Project -- https://docs.fedoraproject.org/en-US/quick-docs/getting-started-with-virtualization/
• How to install KVM on Fedora 30/29/28
• Server World Fedora 30 KVM

These extensions are called Intel VT or AMD-V.

$ egrep '^flags.*(vmx|svm)' /proc/cpuinfo

If this command results in nothing printed, your system does not support the relevant virtualization extensions. You can still use QEMU/KVM, but the emulator will fall back to software virtualization, which is much slower.

$ dnf group info virtualization
Last metadata expiration check: 0:04:12 ago on Wed 10 Jul 2019 05:44:56 AM EDT.

Group: Virtualization
 Description: These packages provide a graphical virtualization environment.
 Mandatory Packages:
   virt-install
 Default Packages:
   libvirt-daemon-config-network
   libvirt-daemon-kvm
   qemu-kvm
   virt-manager
   virt-viewer
 Optional Packages:
   guestfs-browser
   libguestfs-tools
   python3-libguestfs
   virt-top
$

$ sudo dnf group install virtualization
$ sudo dnf group install --with-optional virtualization

$ lsmod | grep kvm
kvm_intel             303104  0
kvm                   741376  1 kvm_intel
irqbypass              16384  1 kvm
$