Category Archives: Linux

Downgrade BIOS on thinkpad t530

Posted on September 9, 2025 by peter

My Thinkpad T530 currently have a BIOS BIOS ID: 2.77 (G4ETB7WW) ECP ID: 1.14 (G4HT40WW) BIOS date: 2018-03-08 One of the problems with this BIOS is that it has a white-list of batteries it will support, and this does not … Continue reading →

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OpenWRT på PogoPlug

Posted on July 19, 2025 by peter

Pogo-Plug er en 15 år gammel computer med en 1.2 GHz ARM CPU, Gigabit ethernet og 256 Mb RAM.Denne gang skal vi installere OpenWRT Pogo-Pluggen har jo også en indbygget flash-disk 128-256 Mb, nok til langt de fleste IOT applikationer.  … Continue reading →

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Klipper på PogoPlug Muligheder og Overvejelser

Posted on July 19, 2025 by peter

Pogo-Plug er en 15 år gammel computer med en 1.2 GHz ARM CPU, Gigabit ethernet og 256 Mb RAM. I min sidste blog post Debian på PogoPlug diskløs – 10 år senere beskrev jeg hvordan jeg integrerede mine Pogo-Plugs direkte … Continue reading →

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Debian på PogoPlug diskløs – 10 år senere

Posted on July 10, 2025 by peter

Pogo-Plug er en 15 år gammel computer med en 1.2 GHz ARM CPU, Gigabit ethernet og 256 Mb RAM,  Dagens standard  er f.ex en Raspberry Pi 5, som har en Quad core 2.4 GHz ARM CPU, og op til 16 … Continue reading →

Posted in HomeAutomation, Linux | 1 Comment

Catalina or High Sierra on MacBook A1286 2011 with broken GPU

Posted on June 19, 2022 by peter

The 15″ and 17″ Macbook Pro from 2011 are known for their dGPU failures (AMD-GPU). In my previous post  Ubuntu 22.04 on MacBook A1286 2011 with broken GPU  I described how I got this MacBook working under Ubuntu. Here is … Continue reading →

Posted in Linux, Mac | 1 Comment

Ubuntu 22.04 on MacBook A1286 2011 with broken GPU

Posted on June 9, 2022 by peter

The 15″ and 17″ Macbook Pro from 2011 are known for their dGPU failures (AMD-GPU). There are both software and hardware hacks to turn off the broken dGPU and use the iGPU found on the Intel processor.  The easiest is, … Continue reading →

Posted in Linux, Mac | 1 Comment

Ubuntu 22.04 on iMac a1312 (2011) w. 4850 video card

Posted on April 25, 2022 by peter

For inspiration see: Github rowanphipps/macOS_rEFInd_guide EFI-Booting Ubuntu on a Mac How to Install and Set up Ubuntu 20.04 on an Old MacBook Pro Here is what I did: Download ubuntu-22.04 and writing it onto a USB-stick restart the iMac, when … Continue reading →

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I²C or SMBus sniffer using Arduino

Posted on April 11, 2022 by peter

I had a need to continuously monitor a I²C bus, so I looked around for an Arduino solution, but didn’t find anything that suited my needs, so I wrote one myself.  None of the I²C-sniffers I was able to find … Continue reading →

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Installing Rocky-8.4 (RHEL) into a live ZFS filesystem

Posted on October 31, 2021 by peter

I have been using ZFS sinze 2009 on various operating systems from FreeNAS over Illumos, FreeBSD and Ubuntu. Hence my ZFS filesystem lives on, even if the operating systems get updated/changed or even replaced. And who cares what the name … Continue reading →

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YI Home 1080p Wifi Camera

Posted on August 24, 2021 by peter

I bought the cheapest Wifi camera on Amazon 4 WiFi 1080p indendørs ip-camera  $17 each delivered as far as I understand, the intention is to install an app on your phone, and via their app and their WEB server you … Continue reading →

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