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How to install kvm-ok on Debian or Ubuntu Linux

The KVM-ok command command will tell you if your Debian or Ubuntu Linux-powered server can host hardware-accelerated KVM virtual machines. KVM (Kernel-based Virtual Machine) is a free and open-source virtualization technology that is used with every Linux kernel. In other words, KVM will make your Linux computer into a hypervisor, allowing you to run multiple isolated virtual machines (VMs) on a single physical machine. However, KVM depends upon CPU hardware virtualization extensions like Intel VT-x or AMD-V to provide high-performance virtual machines. This support must be enabled in the BIOS. Apart from that, some cloud service providers also allow nested virtualization that will help you to run VMs inside your instances. However, this may not be enabled in BIOS or instance configuration. Thus, you need to install the kvm-ok command to determine whether such support exists.

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How to install KVM on Ubuntu 20.04 LTS Headless Server

Kernel-based Virtual Machine (KVM) is a virtualization module for the Linux kernel that turns it into a hypervisor. How can I install KVM with bridged networking, set up a guest operating system as the back-end virtualization technology for non-graphic Ubuntu Linux 20.04 LTS server over ssh based session?

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How to install KVM on CentOS 8 Headless Server

How can I install KVM (Kernel-based Virtual Machine) on a CentOS 8 (CentOS Enterprise Linux) headeless server? How do I set up KVM on a CentOS 8 and use cloud images/cloud-init for installing guest VM?

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