Proxmox VE
Reference for Proxmox VE covering architecture, installation, networking, CLI management of VMs and containers, backup/restore, and monitoring.
Virtualization
Vagrant
Open-source HashiCorp tool for building and managing reproducible virtual development environments. Covers installation, Vagrantfile configuration, multi-machine setups, provisioning, networking, synced folders, box …
Virsh Command Line Interface
Command-line management of KVM/QEMU virtual machines through libvirt: VM lifecycle, snapshots, networking, image creation, and shell automation.