Setup cron to monitor raspberry pi temperature

temperature_cron.sh

#!/bin/bash
# Usage ./temperature_cron.sh $HOME/pi-temp-log
timestamp=`date +%F`
temp=`/opt/vc/bin/vcgencmd measure_temp`
temp=${temp:5:16}
mkdir -p $1 # make sure dir exists
echo "$(date +%H:%M:%S) = $temp" >> $1/temperature_log_$timestamp.txt # create new file for each day.

To log temp every 5 mins steps:

1. crontab -e edit linux cron tab.
2. Pick nano editor if you're doing it for the first time.
3. */5 * * * * $HOME/script/path/temperature_cron.sh $HOME/pi-temp-log
4. Save and close nano. (Ctrl+x)
5. 🎉 Now watch temp files in tail -f $HOME/pi-temp-log/*