Homelab on SamilyIT

Repair beyerdynamic DT 880, DT 990 and DT 770 Headphones: Left or Right Speaker Not Working or Quiet

Tue, 11 Feb 2025 23:28:30 +0100

If one side of your Beyerdynamic headphones—like the DT 990 Pro, DT 770, or DT 880—stops working or the cable gets damaged, here’s how you can fix it:

Resolving Zigbee2MQTT Migration Issues: Network Commissioning Timed Out

Sun, 05 Jan 2025 00:00:00 +0100

When migrating or restoring a Zigbee network in Zigbee2MQTT, you might encounter the following error:

Adjusting the Time-To-Live (TTL) in DynamicDNS (os-ddclient) Configuration in OPNsense

Wed, 11 Sep 2024 00:00:00 +0200

Update October 2026: Since os-ddclient 1.18, new installations use the native backend by default. It does not use ddclient.conf, so the script below only works with the ddclient backend (Services > Dynamic DNS > Settings > General settings > Backend). Since os-ddclient 1.26, the TTL can be set directly in the GUI for Gandi and GoDaddy.

Unfortunately, in OPNsense, it is not possible to set the TTL (Time to Live) for Dynamic DNS, which means DNS entries always have a TTL of 10800 seconds or 3 hours. This limitation undermines the purpose of Dynamic DNS, in my opinion.

Step-by-Step Guide: Firmware Update and Sector Alignment for Samsung PM983 SSD

Thu, 01 Aug 2024 23:28:30 +0200

Samsung is notorious for not releasing firmware for their Enterprise SSDs. But here we are - let’s get to updating!