raspberry, raspbian: see temperature of cpu and log every 15 min

with command

/opt/vc/bin/vcgencmd measure_temp

obtain 

pi@mypi:~ $ /opt/vc/bin/vcgencmd measure_temp
temp=47.2'C

with command 

/sys/class/thermal/thermal_zone0/temp

get a number representing the temperature multiplied by 1000



script for upload with ftp a log of cpu temperature (file located on /hom/pi/script/)

sudo vi /home/pi/script/uploadtemp.sh

insert this ins

temp=$(cat /sys/class/thermal/thermal_zone0/temp)
datacorr=$(date +%d/%m/%Y)
oracor=$(date +%H:%M:%S%n)
echo "$temp;$datacorr;$oracor">> /home/pi/script/temp.csv


HOST='ftp.mydomain.com'
USER='mylogin'
PASSWD='mypassword'
FILE='/home/pi/script/temp.csv /mydomain.com/temp.txt'

ftp -n $HOST <quote USER $USER
quote PASS $PASSWD
binary
put $FILE
quit
END_SCRIPT
exit 0

save script 

:w

:q


make executable 

sudo chmod +x myscript.sh








with add a crontab entry (log and upload every 15 min to ftp)

sudo vi /etc/crontab

0,15,30,45 * * * *    root sh /home/pi/script/uploadtemp.sh &>/dev/null