Braindump
UniFi Switch 16 XG LNA addition
As previously described, I had replaced the fans in my UniFi US-16-XG, but until today I had not put in any low noise adapters (LNA).
That changed today, I added two LNA NA-RC10 (8.3 m³/h, 12.2 dbA) because the switch is still the most noisy piece of equipment in my homelab.
Jolla Tablet broken
My Jolla Tablet seems to have died.
:-(
jolla-tablet kernel: mmc0: Timeout waiting for hardware interrupt.
[...]
jolla-tablet kernel: mmc0: cache flush error -110
jolla-tablet kernel: end_request: I/O error, dev mmcblk0, sector 0
jolla-tablet kernel: mmc0: Timeout waiting for hardware interrupt.
WIP: Dell T7910 with Proxmox VE 7.0 and External Ceph Cluster
While for my virtualisation needs I am firmly in the Red Hat camp, an article in ix 9/2021 piqued my interest.
Since I was on a week of ‘staycation’ and the T7910 was not in use, I decided to test Proxmox VE 7.0 on a Dell Precision T7910 tying in my existing Ceph Nautilus storage for both RBD and CephFS use.
ASUS PN50 as worker node in OpenShift Container Platform
After upgrading the memory of my ASUS PN50 to 64 Gib, it was installed as an OpenShift Container Platform (OCP4) worker node.

Resizing qcow2 Files Used by el8 VMs on a el7 Hypervisor
This is my braindump of using virt-resize
to migrate 3 OpenShift 4 master VMs’ qcow2 disk files, on a CentOS 7 hypervisor,
from 70G each in one libvirt storage pool to 150G each in another pool.
ASUS PN50 with Fedora 34 and MythTV
Because my ASUS PN50 running MythTV was initially installed with F32 and I routinely DNF System Upgrade, it has been running F34 for a while now.
The main reason for this post is that the infrared receiver and watchdog seem to finally work.
ThinkPad T480 with Fedora
These are my notes on installing a second hand Lenovo ThinkPad T480 (20L6) for a relative of mine.
RaspberryPi 4 in an Argon ONE case as DLNA renderer with output to a Teufel Cinebar One+ via USB
This is my braindump on setting up:
- Raspbian GNU/Linux 11 (bullseye) on a Raspberry Pi 4 Model B
- housed in an Argon ONE case with power button and fan
- USB audio to a Teufel Cinebar One+
- Playing music via DLNA

Half of 960evo recycled from LVM cache for OCP4
This is my braindump of shrinking the existing 1TB LVM cache (on a Samsung 960evo) to half size and using the freed up space to host qcow2 files used by our OpenShift 4 VMs
F(x)tec Pro¹ with SailfishOS 3.4 community build
A community build of Sailfish OS 3.4 for the Pro1 was released a month ago and I finally got around to flashing it.
These are my installation notes.
NOTE: DO NOT OTA UPDATE FROM 3.3 YOU MUST REFLASH
Embrava Blynclight Plus with Fedora
I bought a Blynclight PLUS busylight from Embrava, these are my notes on using it under Fedora Linux.
