Mini Shell

#!/bin/bash

#Wrapper to get the environment when shutdown is called

rightnow=$(date +%s)

filename=$(echo -n "/root/shutdown-$rightnow.log")

echo "Shutdown log $filename" > $filename
echo "Open files of parent $PPID:" >> $filename
lsof -p $PPID >> $filename
echo >> $filename
echo "Parent/Child tree:" >> $filename
ps faux >> $filename
echo >> $filename
echo "Environment variables:" >> $filename
env >> $filename
echo >> $filename
echo "Arguments:" >> $filename
echo "shutdown $@" >> $filename

cat $filename | mail -s "Shutdown event on $(/bin/hostname) at $rightnow" steam@imhadmin.net

echo "This shutdown attempt has been logged.  If you really need to shutdown the server, use the shutdown command."