Should I worry? (/boot out of space after upgrade)

  1. If you do ls /boot/*fc43* then you should see 5 files corresponding to your kernel version:
config-...
initramfs-...
symvers-...
System.map-...
vmlinuz-...
  1. If you do sudo ls /boot/loader/entries then there should be a .conf file in there corresponding to your new fc43 kernel version

As long as both those look fine, then you should have everything you need in /boot.

Here’s the background: