Reddit refuge, escentric engineer and serial hobbyist.

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Joined 2 years ago
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Cake day: June 10th, 2023

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  • Put the sdcard in a Linux box with a GUI

    Step one: shrink the image size use gparted, re-size the main partition to as small as possible

    Step two: run fdisk to find out the last used sector. Command: sudo fdisk -l /dev/mmcblk0

    Step three: get the ‘end’ sector from the last partition and enter it into the dd command below as ‘count’. Run the dd command with a stop at the last used sector and correct bytes per sector set: sudo dd bs=512 count=12281855 if=/dev/mmcblk0 of=/home/pi/Azle.iso status=progress








  • Perhaps not the same but I own a 150 year old home in America and I had foam insulation blown in. The insulation it provided was minor but what it helped tremendously with was drafts and air exchange. On older homes air leaks and sealing any cracks and drafts can potentially save you more money than adding actual insulation depending on how leaky it is. Food for thought though it might not help you.