Tag: virtualization

virt-manager is fine, but real homelab automation lives on the command line. virt-install, virsh, cloud-init, provision VMs in seconds, not click-by-click.

Containers share the kernel; VMs have their own. Understand the isolation trade-offs, overhead differences, and when to use which.

LXC/LXD runs full Linux environments in lightweight containers, faster to spin up than VMs and perfect for home lab service isolation.

VM-backed Linux dev environments on macOS/Linux, Lima vs Multipass compared on speed, container support, and resource use.

Your freshly booted VM is generating SSH keys with barely any entropy, and that should make you nervous. Linux needs randomness to do cryptography, and headless servers are terrible at collecting it. Here's what's actually happening inside /dev/random and how to fix it before you generate a weak key.

Upload an ISO to Proxmox three ways: the web UI, wget straight onto the node, or SCP. Which to use when the browser upload stalls, plus checksum verification.

Learn VLAN basics for your home lab: 802.1Q tagging, trunk vs access ports, managed switch setup, and pfSense VLAN configuration to isolate IoT, guests, and your NAS.

Your VM's clock is off by minutes, NTP says it's synced, yet the system keeps drifting. Here's why the hypervisor is the real culprit, and how to fix it.

Proxmox vs XCP-ng compared for homelabbers: KVM vs Xen, ZFS, web UI, VM management, and which hypervisor to pick for your spare rack server.

Squeeze more out of Proxmox VE, CPU pinning, memory ballooning, IO threads, virtio drivers, and storage tuning for faster VMs.