Fixing a Dead Rack PDU (APC AP79xx) — Missing Outlet Banks
Recently, I repaired a rack-mounted APC AP7952 (Zero-U) PDU that only showed 9 outlets instead of the full set of 24. This issue isn't limited to the AP7952, it can happen with other models like [...]
Fixing a “Broken” SD Card on a UniFi Dream Wall
Recently, my UniFi Dream Wall (UDW) reported that storage was not healthy. Under Settings > System > Storage, it said: "Drive failure detected" and "Storage not healthy" with an exclamation mark icon Here's how I [...]
Reparing a Gira Control 19 Client 2
A friend called me about a broken Gira Control 19 Client 2. It kept rebooting continuously, even after performing the recovery procedure. I ran several tests and was able to repair the device. If [...]
Ubbink Loodvervangers en problemen | Ubbink Lead-free flashings and its bad quality
Sinds 2008 breng ik lood aan op verschillende plekken zoals rondom de schoorsteen, dakkapel, balkonmuren en de garage. Sinds 2013 ben ik lood gaan vervangen door een loodvervanger, niet vanwege de levensduur maar om [...]
Upgrading Synology DS1823xs+ and DS923+ to 64GB RAM, successful experiment!
Recently, I purchased a Synology DS1823xs+ and immediately decided to maximize its RAM memory because I run several docker containers and Virtual Machines for testing purposes. According to the official specs, this unit and its [...]
Miele Building Block for Gira Homeserver (KNX, LBS 14360)
Control all your Miele devices from KNX! Everything is possible using the new Miele LBS (Logic Building Block: 14360) for the Gira Homeserver. See the video for some examples and see how easy it [...]
ABN AMRO – Vragen en antwoorden Hypotheek Kennis- en Ervaringen toets
[lees verder voor de antwoorden] Vandaag een vriend geholpen om wegwijs te worden in Hypotheek land. Om zonder (betaald) advies bij ABN AMRO een hypotheek aan te vragen of over te sluiten moet je [...]
Connecting Sonos to Google Assistant – Problem Solving
It happed to me just two hours before my birthday party, I could no add my Sonos devices to Google Assistant anymore. I tried to remove them and Add them again.. Failed. So here [...]
How to use/format Native 4Kn drives in Synology or NAS
A few years ago I started using 4Kn drives in my storage (Open-E and Synology NAS). You had to decide for a 4Kn (native) drive or a 512-byte drive when buying [...]
Viega Fonterra Smart Control with KNX (Homeserver Building Block)
Viega Fonterra Smart Control is a great product, it's actually the best system for floor heating I've ever seen: You never have to fine tune the flowmeters (it's done automatically!) It constantly adjusts [...]
Set your Wallmount tablet to Day or Night mode (Dim and blank screen)
I have several tablets hanging to the wall for controlling my Living room lights, Office environment or Garden lights. To save energy I would like these tablets to power off at night automatically or even [...]
Chromecast or AirPlay in different VLAN on a Cisco Switch (>IOS15.2)
There are many questions on using a Chromecast or AirPlay devices (like the new Sonos devices with Airplay2) on a different VLAN. First of all, I think it is a good habbit to put [...]
Homeserver that Powers on Samsung TV with Chromecast
When I touch my Tastsensor near my bed with the “Wake up” scene, the light swiches on, the bathroom lights switches on and in the Kitchen the Light and the [...]
Gira Tastsensor 3 Drama
The first Gira Tastsensor I bought was a tastsensor 2. Then Gira came with a new model: Tastsensor 3. Unfortunatelly this new model had a different background-light color (blue) while the Tastsensor 2 was having [...]
Why you should NOT buy an Hikvision camera!
Yesterday evening someone asked me to help with his IP camera. He has an Hikvision DS-2CD2132F-I (about € 300,- at that time) […]
Gira HS Beta 4.111 and presentation leaks..
Back as never before with this new blog. Upcomming weeks a lot of news, cool stuff and hacks will be posted here! I’m full with ideas and supported by many of you who e-mail me [...]
MDaemon SpamFilter not Learning
I had an issue where the MDaemon Mailserver’s Spam Filter was not learning new Spam or Ham. Currently running an evaluation version of MDaemon v16.0.1 but seen this before on v13, v14 and v15 :) [...]
New mainboard in Samsung TV and the Secret Service Menu
I repaired a broken Samsung TV (UE55ES8000) last month, however the same instructions should apply to other Samsung models. The TV made a ‘clicking sound’ all the time and couldn’t turn ON or OFF. The [...]
Zehnder/StorkAir MX110 Roof ventilation
I needed a proper roof ventilation to cool my server room. Noice (dB) and power usage are the most important factors for me. I tested many options and finally bought [...]
Pinout for RJ45 cable between Moxa Terminal server and Cisco/HP Console port
I recently build an Out-of-Band (OOB) management network for Utrecht University with Moxa Terminal servers (CN2610-16-2AC). The Moxa Terminal servers had all RJ45 (serial) ports. However, connecting it with a normal network cable, a cross-cable [...]
SQL Server + FileStream + IFilters
I’ve scanned all my documents (incomming invoices) in TIFF but also have a lot of documents in PDF and DOC(X) format. Now when something gets broke and I need to return it to the shop [...]
AsteriskNow VM for Xenserver
Here it is, a ready to rock AsteriskNow VM for XenServer, ready to download as a .xva file. It includes: CentOS 5.9 (because only 5 is offically supported yet) Asterisk 10 (v10.12.2) FreePBX 2.10 (v2.10.1.9) [...]
Cisco SSL-VPN problems after KB2585542
Today I noticed that some Windows 7 clients had problems to connect using Cisco’s AnyConnect VPN Client (SSL-VPN). After a few hours troubleshooting we noticed that Windows Update KB2585542 was causing the problem. The clients [...]
How to Backup/Restore Avaya to IIS7.5
In IIS7 and IIS7.5 which runs on Windows Server 2008 or Windows Server 2008 R2, it is not possible to use the WebDav PUT command without ‘authentication’. This is a problem for your Avaya VOIP [...]
Migrating from IMail 2006 -> MDaemon 11.0.3
I wrote some scripts to migrate from IPSwitch IMail 2006 (IMail 9) to MDaemon 11.0.3. Because IMail and MDaemon have some differences in logic, I cut my migration into several parts. Below you’ll find a [...]