Technical
proxmox backup skips bind-mounted NAS datasets in unprivileged LXC containers
Proxmox backup captures the container rootfs, not bind-mounted TrueNAS datasets. Here's what PBS actually backs up and how to cover the gap.
Technical
Proxmox Network No Longer Available After Upgrade: Diagnose and Restore It
Proxmox network no longer available after upgrade? It's usually interface renaming or a bridge config gone stale. Here's the checklist to bring it back.
Technical
qemu-img zeroinit LVM bug on Proxmox: tested workaround
qemu-img zeroinit on LVM thin volumes leaves data unzeroed on Proxmox. Here's the bug, how to reproduce it, and a tested workaround.
Technical
Debian 13 LXC await network timeout: fix the Proxmox wait logic
Debian 13 LXC await network timeout? Here's the root cause in Proxmox's wait logic and a tested workaround that gets your container up.
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
Need to delete local-lvm and reuse the size in Proxmox
Need to delete local-lvm and reuse the size? Remove the LVM-thin pool, extend the root volume, then resize the filesystem. Here's the safe order.
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.