Technical
ZFS Fast Dedup Proxmox Recommendation: Tested on a Real Host
ZFS fast dedup on Proxmox: I tested it with real VMs and containers. Here's the memory and performance hit, and when it's actually worth using.
Technical
Debian 12 Cloud Image Search Domain Missing: Fix It in Proxmox
Debian 12 cloud images don't set a search domain by default. Here's the cloud-init fix that actually works on Proxmox.
Technical
Upgrade PVE 8 to 9 systemd-boot ZFS rpool UEFI: the path that works
Upgrade PVE 8 to 9 on systemd-boot with a ZFS rpool and UEFI. The extra steps matter, and here's the order that gets it done cleanly.
Technical
Proxmox LXC out of memory tmpfs journald: fix the OOM kill
journald's tmpfs usage can OOM-kill small LXC containers. Fix it by capping journald's memory with RuntimeMaxUse and SystemMaxUse in journald.conf.
Technical
Deploying a Proxmox VE Worker Node on an Air-Gapped Network
Step-by-step: build an offline apt repo, transfer packages via USB, and join a PVE cluster without internet. Tested on Proxmox VE 8.
Technical
Can You Prevent NIC Reset During ISO/Install Start in Proxmox?
Yes, you can prevent the NIC reset when a Proxmox VM starts an ISO install. It's the bridge setting and a kernel module option. Here's the fix.
Technical
Exclude Node from Migration Targets List: Proxmox Workaround
Proxmox shows every cluster node as a migration target by default. Here's how to exclude a node from the migration targets list using the REST API and a
Technical
Web Browser Tab Freezing and High Memory Usage When Running Dynamic Automation Tools Alongside Proxmox VE Web GUI
Browser tab freezing and high memory usage when running dynamic automation tools alongside Proxmox VE web GUI is usually the browser, not Proxmox.
Technical
website monitoring service: an uptime monitor that pages you for the wrong thing is worse than none
A website monitoring service that alerts on every blip will train you to ignore it. Here's the rule I use: alert on real failure only, silence is the default.
Technical
VM Status Unknown Grey Question Mark: Fix it in Proxmox
VM status unknown grey question mark usually means missing storage, a stale lock, or an orphaned config. Here's the step-by-step fix for Proxmox.