NVIDIA drivers cannot be installed because of real-time kernel

Hardware Support
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21

Try it again with sudo apt reinstall at the Beginning and then the Package Names. It should look like this:

sudo apt reinstall linux-image-6.8.0-57-generic linux-headers-6.8.0-57-generic linux-modules-6.8.0-57-generic linux-modules-extra-6.8.0-57-generic
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Reinstallation of linux-headers-6.8.0-57-generic is not possible, it cannot be downloaded.
Reinstallation of linux-image-6.8.0-57-generic is not possible, it cannot be downloaded.
Reinstallation of linux-modules-6.8.0-57-generic is not possible, it cannot be downloaded.
Reinstallation of linux-modules-extra-6.8.0-57-generic is not possible, it cannot be downloaded.

23

It’s possible to install nvidia drivers on a RT kernel by just setting an environment variable prior to installing

export IGNORE_PREEMPT_RT_PRESENCE=1
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Is this the only Thing that is shown to You or is there more?