Yes and your host’s name (computer name) is fedora
There’s 2 options…
- Disable Secure Boot in your BIOS and run those commands again.
If you’re not using Full Disk encryption (which I strongly recommended), there’s no point in Secure Boot and i’d just disable it. I did a deep dive into Secure Boot a while back and unless you’re protecting your whole system from other OSs there’s not much point in protecting the front gate.
- This is beyond my experience but there’s a lot of answers to what you need a duckduck away. Search term would be:
“You must sign these kernel modules before using VirtualBox”
This one looks promising from the answers, backup everything first.