tracking bugs in complex systems ..

Written by  on March 6, 2018 

Some weeks ago I’ve replaced the case of the ‘catcam’. A Raspberry Pi 3 which was running for 1.5 years without interruption with the nice script & python-upload triggered by a cronjob. And now the device freezes. Still running, but neither accessible via SSH nor VNC (of course, if SSH is not working ..).
I left the case open; removed the camera; upgraded kernel and Raspbian: nothing helped.
My last guess is that the camera stopped working. But to be sure I want to let the RPi3 long-time with temperature-logging. So … we need a simple program:

executed like this, because else the output is buffered up to 4 or 8 kByte:

and the content of the textfile is something like:

Category : BashLinuxPythonraspberry pi

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