Cloud, Linux & Virtualization Archives - Page 2 of 4

How to Install a Single-Node Proxmox VE 9 Lab on KVM (Nested Virtualization)

Makson Lee / November 16, 2025

Sometimes you want to learn Proxmox, but you don’t want to dedicate a physical machine yet. The solution: run Proxmox […]

Makson Lee / November 15, 2025

In my previous post, I used: This time we’re going one step further: Install Ubuntu 24.04 on ZFS root with

Makson Lee / November 2, 2025

A clean, cron-free way to back up a ZFS-root Ubuntu server: run zrepl on a backup box and pull snapshots

Makson Lee / October 30, 2025

This is a tiny delta to my previous guide (HTTPS + Nginx + SSI already working). The focus here is

Makson Lee / October 30, 2025

What is Autoinstall (Ubuntu 24.04)? Autoinstall is Ubuntu Server’s unattended installation in Subiquity. You provide a YAML answer file (user-data)

Makson Lee / October 16, 2025

— THIS GUIDE ERASES THE ENTIRE TARGET DISK — Data-destructive warning: The steps below wipe the whole disk (wipefs -a,

Makson Lee / October 3, 2025

Goal: grow /var/lib/libvirt/images/rbe-b.qcow2 offline on the host, then expand LVM inside the Ubuntu 24.04 guest. TL;DR (commands only) Host (VM

Makson Lee / September 12, 2025

TL;DR: A file-browser style UI for Ceph RGW multisite that lets you browse, preview, and fetch objects across zones as

Makson Lee / September 8, 2025

This follow-up shows the cleanest, minimal path to put a Libvirt/QEMU VM disk on Ceph RBD and create the VM

Makson Lee / September 6, 2025

TL;DR: Power off all VMs → (optionally) stop or mask libvirt sockets so nothing auto-starts → rsync both /etc/libvirt and