Created
July 10, 2018 18:26
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Send an email whenever public IP address changes
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| # The script sends an email with updated IP address | |
| # whenever there is an IP change from ISP | |
| MSG="To: [email protected]\nFrom: [email protected]\nSubject: New IP\n" | |
| IP_FILE=/home/nisarg/ip-address.txt | |
| IP=$(/usr/bin/dig +short myip.opendns.com @resolver1.opendns.com) | |
| OLD_IP=$(cat $IP_FILE) | |
| if [ "$IP" != "$OLD_IP" ]; then | |
| echo $IP > $IP_FILE # save new IP to file | |
| MSG="$MSG\n$IP\n" # add IP to message body | |
| echo -e $MSG | /usr/sbin/ssmtp [email protected] | |
| fi |
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Related blog post - https://forkedprocess.wordpress.com/2018/04/23/connecting-remotely-via-ssh-vnc/