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// proxmox

~/tags $ grep -l '#proxmox' _posts/*

// #proxmox

9 posts tagged.

How I Fixed SSL Certificate Warnings Across My Entire Proxmox Homelab — With Full Auto-Renewal and Email Alerts

Apr 26, 2026 ·HomelabSecurity

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...

#proxmox#linux#ssl#tls#letsencrypt#acme

Optimizing Proxmox Backup Server with S3: Regional Migration and Fixing a Glacier Misconfiguration

Apr 4, 2026 ·HomelabDevOps

How I investigated and resolved PBS S3 connection issues, migrated to a closer regional endpoint, and properly optimized backups after a Glacier lifecycle misconfiguration.

#proxmox#pbs#s3#aws#glacier#backup

I Audited Every VM in My Homelab — Here's What I Found (and Fixed)

Mar 26, 2026 ·HomelabDevOps

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.

#proxmox#linux#automation#zabbix#monitoring

Why I Switched From Gmail to Brevo for All My Homelab Email Alerts

Mar 24, 2026 ·HomelabDevOps

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.

#email#brevo#sendinblue#proxmox#zabbix#esp32

How to Use S3 as a Backend for Proxmox Backup Server with s3fs

May 4, 2025 ·CloudHomelab

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

#proxmox#aws#s3#backup#linux

How to Use Your Linux PC as a Network Switch

Jan 11, 2025 ·HomelabNetworking

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

#linux#proxmox#networking#bridge

Proxmox Templates with Cloud Init

May 27, 2024 ·HomelabDevOps

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#cloud-init#linux#automation

Proxmox: activating LV failed: Activation of logical volume is prohibited while logical volume tmeta is active. (500)

Apr 30, 2024 ·Homelab

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

#proxmox#lvm#linux#troubleshooting

Homelab Ideas & Why You Should Have A Homelab

Mar 3, 2024 ·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

#linux#docker#proxmox#networking#monitoring#self-hosting

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