Safe cleaning dom0 (old kernels, large files)

[Tezeria]

@newqube

I want to delete unnecessary kernels

Hi, you can remove old kernels like that:

Qubes 4.3rc1: trouble with kernels at grub

First of all, up to the point answer on how to solve the issue. You could list the installed kernels with sudo rpm -qa kernel\* | sort -V and remove the old ones or problematic ones with sudo dnf remove BAD_KERNEL. Regenerating grub menu entries should be automatic. But in case needed: grub2-mkconfig -o /boot/grub2/grub.cfg (on legacy boot systems, not EFI). Second of all, of course, you should not need to do the above manually. The rpmspec should specify that the new kernels are replacing th…