Second to understand how hot they get, if they start heating up it can indicate a problem like something covering the air intake and finally learn something about airflow that might mean cooler computers. First, in case the air conditioning fails, I can do something about it and have the facts. I want to monitor what my computers and computer room are up to temperature-wise. I also installed ksh and got the script to email me, if or when the AirCon temperature gets too high (75 F) so I can do some shouting at the Air Conditioning guys :-) This also comes with a full GUI and lots of things install that the barebones Server image does not so save a few hours installing the usual packages. I found the DS18B20 temperature probes did NOT work if I installed the Ubuntu 16.04.02 server image downloaded from Ubuntu (it appears it is missing some feature I could not fathom) but the Ubuntu MATE 16.04.02 image from the Raspberry Pi website (it took me to http s:// ubun tu-m ate. I had to rebuild my Raspberry Pi due to a failed MicroSD "disk" and followed these instructions again and found I missed a step:Īs the root user add to the end of /boot/config.txt this line and reboot: Even when these words are in the file names on the computer! Update in 2017:
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