STEP 1

파일 생성 : startup_mailer.py

아래 내용 추가

import subprocess
import smtplib
import socket
import os
from email.mime.text import MIMEText
import datetime

# Change to your own account information
to = '보내 메일 주소'
gmail_user =  '구글 아이디@gmail.com'
gmail_password =  '구글 비밀번호'
smtpserver = smtplib.SMTP('smtp.gmail.com', 587)
smtpserver.ehlo()
smtpserver.starttls()
smtpserver.ehlo
smtpserver.login(gmail_user, gmail_password)
today = datetime.date.today()

# Very Linux Specific
arg= 'ip route list'
p=subprocess.Popen(arg,shell=True,stdout=subprocess.PIPE)
data = p.communicate()
split_data = data[0].split()
ipaddr = split_data[split_data.index('src')+1]

# Get the current CPU speed
f = os.popen('/opt/vc/bin/vcgencmd get_config arm_freq')
cpu = f.read()
mail_body = "CPU speed: " + cpu + "IP address: %s" % ipaddr
msg = MIMEText(mail_body)
msg['Subject'] = "RasPI @ "+ipaddr+" started up on %s" % today.strftime('%b %d %Y')
msg['From'] = gmail_user
msg['To'] = to
smtpserver.sendmail(gmail_user, [to], msg.as_string())
smtpserver.quit()

STEP 2

# vi /etc/rc.local 에서 바로 실행하기

아래 코드 삽입

# Print the IP address
_IP=$(hostname -I) || true
if ["$_IP" ]; then
 printf "My IP address is %s\n" "“$_IP"
 python /home/pi/code/startup_mailer.py
fi

python /home/pi/code/startup_mailer.py