[Nut-upsuser] Request For Additional Status Confirmation

Jon Kinne jhkinne1 at gmail.com
Sun Mar 7 02:41:39 GMT 2021

Thanks, Roger, I thought I was replying to the list, but apparently not. 
So perhaps this will help someone else who has a similar situation.
I wasn't clear enough in my initial question...it isn't so much that I 
want the status of the UPS, rather I want to know that the Pi is 
operational again after upsmon has shutdown the Pi and then the UPS has 
had power restored to it.
I created a script called "reboot_notify" and saved it in usr/local/bin, 
and it looks like this:

echo “Rpi has booted into operation” | mail -s "Alert from Peppermill 
RPi" [my email address]
echo "Rpi has booted into operation" | mail -s "Alert from Peppermill 
RPi" [email address for text messages]

I read that scripts placed in "rc.local" get run at boot, so I edited 
/etc/rc.local like this

#!/bin/sh -e
# rc.local
# This script is executed at the end of each multiuser runlevel.
# Make sure that the script will "exit 0" on success or any other
# value on error.
# In order to enable or disable this script just change the execution
# bits.
# By default this script does nothing.

# Print the IP address
# Have the system pause while all the mail elements load,
   sleep 60
# and then run the script:
   sudo /usr/local/bin/reboot_notify
_IP=$(hostname -I) || true
if [ "$_IP" ]; then
   printf "My IP address is %s\n" "$_IP"

exit 0

Then I made the file executable

chmod +x /etc/rc.local

To test it I ran <upsmon -c fsd> ; the Pi did an orderly shutdown, the 
UPS turned off and then came back on again. A few minutes later, after 
the Pi booted, I received a text message, and the following email message:

"Alert from Peppermill Pi", "RPi has booted into operation".

I'm sure there was probably a more-elegant way of doing that from a 
programming standpoint, but for someone who didn't know the first thing 
about Linux a month ago, I was pleased that I have a solution.

Now I hope I didn't make some major mistake which de-stabilizes the 
system 🙁

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