Hello,
Running Debian 11, following instrutions:
https://www.dynu.com/DynamicDNS/IPUpdateClient/RaspberryPi-Dynamic-DNS

Under Debian 11
- Runnning script manually: NOT OK
- Via crontab: NOT OK

Under Devian Wheezy:
- Runnning script manually: OK
- Via crontab: NOT OK

Can you help, specially on Debian 11 situation?
Thank you very much.

Rui