Category Archives: Linux

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 →

Posted in Linux, Mac | Comments Off

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 →

Posted in Arduino, Embedded, Linux, Mac | Comments Off

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 →

Posted in Linux, ZFS | Comments Off

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 →

Posted in internet, Linux | Comments Off

Video overvågning med Zoneminder

Posted on August 22, 2021 by peter

Work in Progress Dette efterårs projekt er at få Morfars hus online og integreret i mit net, og med Morfars hus online hele tiden er det oplagt at lave noget video overvågning. I første omgang vil forbindelsen til Morfars hus … Continue reading →

Posted in internet, Linux | Comments Off

Migrating WordPress BLOG to docker

Posted on May 13, 2021 by peter

This blog is powered by WordPress and has been running natively using LAMP on my Ubuntu-server since 2014, it has served me well with a few caveat, mainly related the fact that the MySQL database and the WEB-server is shared … Continue reading →

Posted in internet, Linux, Web, Wordpress | Comments Off

10 Gbit Ethernet interconnecting my servers.

Posted on January 19, 2021 by peter

My Christmas present for myself this season were 10Gbe Ethernet. I had no idea what to get so I bought the cheapest I could find on E-bay, $11 each delivered. These were IBM branded OCe10102 cards made by Emulex. Two … Continue reading →

Posted in FreeBSD, internet, Linux | Comments Off

Server Power supply DPS-750TB

Posted on July 7, 2020 by peter

and how to get PMBus access from f.ex. a Raspberry Pi My favorite power-supply for almost anything is the Server PSU for Dell R510/R710/R910. It is a 750w 12v 60amp supply with 80-plus-gold standard, you can get them for $10-20 … Continue reading →

Posted in Arduino, Camper, Embedded, Hardware, HomeAutomation, Linux, MySensors, Raspberry Pi | Comments Off