https://dudeperf3ct.github.io/tags/firecracker/ Recent content in Firecracker on Blog Hugo en dudeperf3ct https://dudeperf3ct.github.io/projects/ephermal_playground/ Mon, 01 Jan 0001 00:00:00 +0000 https://dudeperf3ct.github.io/projects/ephermal_playground/ <p>Ever wanted a throw-away VM that spins quickly? One good example of this use case is practice playground VM on learning sites.</p> <p>In this project, we will create a CLI that provisions a throw-away VM for us. It uses <a href="https://github.com/firecracker-microvm/firecracker">firecracker</a> microVM underneath to provision and destroy the VMs.</p> <h2 id="getting-started">Getting Started</h2> <p>Firecracker has pretty good <a href="https://github.com/firecracker-microvm/firecracker/blob/main/docs/getting-started.md">getting started</a> guide. I will use it as a reference to get started.</p> <p>First step is to look if <code>/dev/kvm</code> is available on the host machine. This is the important requirement to use firecracker. The presence of KVM module can be checked using <code>lsmod | grep kvm</code> command. The following command checks if you have read and write access to <code>/dev/kvm</code>.</p>