Homelab & Vietnam
ssl certificate lifecycle management breaks silently when a cPanel domain lacks the cpanel_uapi deploy hook: the cert renews on disk forever, the server keeps
Clustered iSCSI as LVM on LVM-thin SAN works if you skip the cluster filesystem and use LVM on top. Here's the setup with TrueNAS and the gotchas.
Freezing Linux VMs and sporadic node connection issues usually come down to IOMMU grouping, ZFS ARC pressure, or a flaky NIC driver.
Snapshots can make Proxmox VMs drop the TSC clocksource with that skew error. Here's the fix: switch to a paravirtual clock or pin the TSC.
Proxmox container no internet? Work from the host outward: check the bridge, then the CT's network config, then DNS.
Getting 'mkdir /mnt/vzsnap0: Permission denied' on Proxmox container backups? The problem isn't /mnt permissions—it's your storage not supporting
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.
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.
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.
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.
