NoIP.com Dynamic IP
It is difficult to host a web server with your home internet when the IP keeps changing. To overcome that we can use a free service provided by NoIP.com
Copy the contents below into a file name “update_ip.sh”
Remember to give your “update_ip.sh” file execute rights by doing
chmod +x update_ip.sh
Lastly configure crontab to execute it say every 5 minutes.