Proxmox

Is Wake-on-LAN Actually On? Checking Four Lenovo Tinys

My notes said the cold-spare Proxmox box was sitting in Wake-on-LAN standby. It wasn’t. Here’s how I checked Wake-on-LAN on four Lenovo ThinkCentre Tinys: what ethtool and sysfs tell you, how to find the MAC of a machine that’s off, and why the switch port’s link light is the most honest answer.

Getting Fan RPM Out of a Lenovo M900 Tiny via lm-sensors

lm-sensors’ nct6683 driver silently refused to bind on a Lenovo M900 Tiny running Proxmox — no error, just no fan data. The cause was a vendor/build check in the driver tripping on this box’s EC firmware, and the fix was a one-line force=1 module param made persistent.