My OS is Debian 10.9 and has the kernel version:
Linux localhost 5.10.0-0.bpo.5-amd64 #1 SMP Debian 5.10.24-1~bpo10+1 (2021-03-29) x86_64 GNU/Linux
1. I have already configured the OS not to download software updates automatically by using the widget "Software & Updates". Click the URL below to see a screenshot of the Software Updates:
https://ibb.co/bs7pF9q
2. I deleted the file 50unattended-upgrades located in /etc/apt/apt.conf.d/
In spite of the above two actions, Debian 10.9 still downloads software and security updates for me automatically in the background. Could someone help me with a fix that really works?
One step I have taken is "apt-get purge unattended-upgrades".
That said, I regularly update and upgrade my systems.
Good luck!
Kenneth Parker