~/tags $ grep -l '#proxmox' _posts/*
// #proxmox
12 posts tagged.
Reading Proxmox Backup Server Index Files to Find What Deleting a Snapshot Actually Frees
Proxmox Backup Server shows a snapshot's logical size, so ten backups of one guest each look full size. Deduplication means deleting one can free almost nothing. I parsed the chunk index files directly to get the real...
Provisioning Proxmox VMs From Cloud Images: 380 Fewer Packages, One Clone Command, Three Playbooks
I measured what an Ubuntu cloud image actually saves you (664 packages against 284, a 58% smaller download) and rebuilt my Proxmox VM provisioning as a repeatable pipeline: a build script, a clone script, and three An...
My Steering Rules Hid a Bug for Three Months, Then Found It in an Hour
A wrong sentence in my always-on Cline rules ('there is no LVM event autoactivation on this host') loaded into every session for three months and quietly capped how deep any diagnosis could go. The same harness then c...
How I Fixed SSL Certificate Warnings Across My Entire Proxmox Homelab — With Full Auto-Renewal and Email Alerts
A complete guide to issuing a Let's Encrypt wildcard cert via DNS-01, deploying it to all Proxmox VE and PBS nodes, handling the PBS fingerprint gotcha that will break your backups, and wiring up email alerts on every...
Optimizing Proxmox Backup Server with S3: Regional Migration and Fixing a Glacier Misconfiguration
How I investigated and resolved PBS S3 connection issues, migrated to a closer regional endpoint, and properly optimized backups after a Glacier lifecycle misconfiguration.
I Audited Every VM in My Homelab — Here's What I Found (and Fixed)
A comprehensive audit of 27 VMs across 3 Proxmox hosts revealed critical storage issues, broken monitoring, outdated operating systems, and years of accumulated tech debt. Here's how I fixed it all in one session.
Why I Switched From Gmail to Brevo for All My Homelab Email Alerts
How and why I migrated all my homelab email alerts — Proxmox backups, Zabbix monitoring, and even an ESP32 door sensor — from Gmail App Passwords to Brevo's SMTP relay.
How to Use S3 as a Backend for Proxmox Backup Server with s3fs
Proxmox Backup Server (PBS) doesn’t natively support S3 storage as a Datastore, but with a little creativity and the help of s3fs-fuse, you can make it work! Here’s a step-by-step guide to mounting S3
How to Use Your Linux PC as a Network Switch
Configuring Proxmox Network Interfaces This guide will help you configure a Proxmox host with a newly added dual-port NIC card, switching the management interface and setting up a bridge for additiona
Proxmox Templates with Cloud Init
Cloud images are operating system templates and every instance starts out as an identical clone of every other instance. It is the user data that gives every cloud instance its personality and cloud-i
Proxmox: activating LV failed: Activation of logical volume is prohibited while logical volume tmeta is active. (500)
Logical volumes (LVs) in Linux provide a powerful layer of abstraction for managing storage. Their flexibility lets you easily shrink, expand, and manage disk space. However on proxmox sometimes you m
Homelab Ideas & Why You Should Have A Homelab
A home lab offers IT professionals a dedicated space to enhance skills, troubleshoot, and stay updated with evolving technologies. It provides hands-on experience, exam practice, and a safe environmen