Virtualization
KVM, libvirt, oVirt, live migration and certificate renewal.
Virtualization articles
Virtualization· 3 min read
oVirt Architecture Overview
oVirt is a datacenter virtualization manager on top of KVM. Here's how the engine, VDSM hosts, storage domains, and the hosted-engine model fit together.
September 24, 2026Virtualization· 3 min read
Your First VM with KVM and libvirt
From a bare Linux host to a running VM: the packages, the virt-install command, and the virsh commands you'll use every day.
September 18, 2026Virtualization· 4 min read
qcow2 vs raw, and How Snapshots Work
raw is fastest and simplest; qcow2 gives you thin provisioning, snapshots, and compression. Here's how qcow2's copy-on-write works and how to snapshot a running VM.
September 18, 2026