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FR:RPi Email IP On Boot Debian

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Retour vers les Guides RPi.

Envoi au démarrage d'un courriel contenant l'adresse IP

Qu'est-ce-que ça fait ?

This code will extract the ip address of your Pi and then send an email containing the ip to the specified email address. This is inspired by the need to access the Pi via SSH or other network protocols without a monitor and moving from network to network. This assumes a Gmail SMTP server. You may need to alter a bit for other servers (beyond scope here)

De quoi avez-vous besoin ?

A working, and network enabled Raspberry Pi

Quelles compétences sont requises ?

Medium Level. You should be comfortable navigating a linux system and be comfortable using sudo (if you want to use this script, odds are you are quite comfortable at the command prompt).

Aperçu de ce guide

You need to

  • Create a python script and store it in a Directory
  • Make python script executable
  • Edit /boot/boot.rc

Allons-y

Création du script python

Copy and paste the following code into a text editor (I'm a nano man myself)

import subprocess
import smtplib
import socket
from email.mime.text import MIMEText
import datetime
# Change to your own account information
to = 'me@example.com'
gmail_user = 'test@gmail.com'
gmail_password = 'yourpassword'
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]
my_ip = 'Your ip is %s' %  ipaddr
msg = MIMEText(my_ip)
msg['Subject'] = 'IP For RaspberryPi on %s' % today.strftime('%b %d %Y')
msg['From'] = gmail_user
msg['To'] = to
smtpserver.sendmail(gmail_user, [to], msg.as_string())
smtpserver.quit()

Save this script using a nice name like 'startup_mailer.py' and make note of its path (like /home/pi/Code/startup_mailer.py)

For good measure, make the script executable

sudo chmod +x startup_mailer.py

Édition de /boot/boot.rc

Using your text editor once again, edit /boot/boot.rc (this assumes you have already renamed this file to boot.rc If not, see RPi_Advanced_Setup). For example:

sudo nano /boot/boot.rc

Add the following at the end of the file, making changes to the path for your directory tree and save.

#Script to email ip address upon reboot
python /home/pi/Code/startup_mailer.py

Alternative si Rasbian est utilisée

If you are using Rasbian you won't have a /boot/boot.rc file. Instead you can edit /etc/rc.local as follows:

 sudo nano /etc/rc.local

Add the python line so the file now looks like this:

 # 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
 _IP=$(hostname -I) || true
 if [ "$_IP" ]; then
   printf "My IP address is %s\n" "$_IP"
   python /home/pi/Code/startup_mailer.py
 fi
 exit 0

Pour finir

Reboot your Pi and you should receive an email with your ip address