Constrains Boot Options After Debian Installation
In the Debian OS post installation, live USB/CD medium is used to install the primary operating system. After having the Debian OS installed and the USB/CD medium removed, the BIOS is still configured to boot these medium as a primary choice. This is not desirable. This section guides you on how to disable the Live USB/CD medium in the post installation.
Identified Threats
These are the identified threats related to Debian Software.
(T-17) System is still USB Bootable After Post Installation
As the Debian installation from other medium like USB or CDROM went succesfully, the BIOS is still configured to be bootable from these mediums.
Actions Required
Here are the list if actions to counter the issues.
Configure Boot Option to Boot Only by That Device
Reconfigure the boot options by disabling alternate boot medium options and set the boot devices to the single type.
That's all for constraining boot options after Debian installation.