Technical
mkdir /mnt/vzsnap0 permission denied proxmox: it’s not /mnt, it’s your storage
Getting 'mkdir /mnt/vzsnap0: Permission denied' on Proxmox container backups? The problem isn't /mnt permissions—it's your storage not supporting
Technical
Jellyfin Ogg Vorbis wrong artist picture: fix the Jacques Ogg metadata mixup
Jellyfin showing a picture of Dutch keyboardist Jacques Ogg for your Ogg Vorbis files? It's a metadata matching bug. Here's the fix that actually works.
Technical
Proxmox Cluster NFS: Frontend Connects, Backend Fails
The PVE cluster can connect to NFS via the dashboard on the frontend but fails from the backend? It's a routing issue. Here's the interface fix.
Technical
EDID has corrupt header: Proxmox kernel warning explained and how to silence it
EDID has corrupt header on Proxmox is usually harmless, but the log spam is annoying. Here's the kernel parameter to suppress it and when to worry.
Technical
business process automation software self-hosted vs SaaS and the costs that only appear in month three
Self-hosting business process automation software like n8n means zero licence fees but real costs in upgrades, backups, and midnight pages. Here's the ledger.
Technical
Changing VMID of a VM in Proxmox: Backup/Restore vs Config Edit
Changing VMID of a VM in Proxmox? Backup/restore is the safe way, but config edit works if you know the snapshot and symlink gotchas. Here's both.
Technical
How to handle unprivileged containers and large UIDs/GIDs in Proxmox
Unprivileged containers break when files are owned by UIDs above 65536. Remap the range in the container config and chown the data — here's the exact fix.
Technical
Automated install via PXE not finding ISO file on Proxmox
PXE booting Proxmox but the installer can't find the ISO? It's usually the NFS export or the rootwait kernel param. Here's the fix.
Technical
IO Pressure Stall – Unexplained: Diagnosing Proxmox LXC and ZFS I/O Hangs
Unexplained IO pressure stalls on Proxmox usually come down to ZFS and LXC resource limits. Here's how to pinpoint what's causing the hang and fix it.
Technical
LVM Snapshot-as-Volume-Chain: Newly created qcow2 image reuses old guest data after VM deletion
LVM snapshots don't zero old blocks, so a new qcow2 on that chain can inherit stale data from a deleted VM. Here's the fix.