Safe cleaning dom0 (old kernels, large files)

[newqube]

Hello. I want to delete unnecessary kernels and other large files from dom0. But I’m afraid to do it without your help. Tell me please which kernels I can remove?

kernel.x86_64                    1000:6.12.47-1.qubes.fc37    @qubes-dom0-cached
kernel.x86_64                    1000:6.12.54-1.qubes.fc37    @qubes-dom0-cached
kernel.x86_64                    1000:6.12.59-1.qubes.fc37    @qubes-dom0-cached
kernel-devel.x86_64              1000:6.12.47-1.qubes.fc37    @qubes-dom0-cached
kernel-devel.x86_64              1000:6.12.54-1.qubes.fc37    @qubes-dom0-cached
kernel-devel.x86_64              1000:6.12.59-1.qubes.fc37    @qubes-dom0-cached
kernel-latest.x86_64             1000:6.12.11-1.qubes.fc37    @anaconda         
kernel-latest.x86_64             1000:6.15.10-1.qubes.fc37    @qubes-dom0-cached
kernel-latest.x86_64             1000:6.17.9-1.qubes.fc37     @qubes-dom0-cached
kernel-latest-devel.x86_64       1000:6.12.11-1.qubes.fc37    @anaconda         
kernel-latest-devel.x86_64       1000:6.15.10-1.qubes.fc37    @qubes-dom0-cached
kernel-latest-devel.x86_64       1000:6.17.9-1.qubes.fc37     @qubes-dom0-cached
kernel-latest-modules.x86_64     1000:6.12.11-1.qubes.fc37    @anaconda         
kernel-latest-modules.x86_64     1000:6.15.10-1.qubes.fc37    @qubes-dom0-cached
kernel-latest-modules.x86_64     1000:6.17.9-1.qubes.fc37     @qubes-dom0-cached
kernel-latest-qubes-vm.x86_64    1000:6.12.11-1.qubes.fc37    @anaconda         
kernel-latest-qubes-vm.x86_64    1000:6.15.10-1.qubes.fc37    @qubes-dom0-cached
kernel-latest-qubes-vm.x86_64    1000:6.17.9-1.qubes.fc37     @qubes-dom0-cached
kernel-modules.x86_64            1000:6.12.47-1.qubes.fc37    @qubes-dom0-cached
kernel-modules.x86_64            1000:6.12.54-1.qubes.fc37    @qubes-dom0-cached
kernel-modules.x86_64            1000:6.12.59-1.qubes.fc37    @qubes-dom0-cached
kernel-qubes-vm.x86_64           1000:6.12.47-1.qubes.fc37    @qubes-dom0-cached
kernel-qubes-vm.x86_64           1000:6.12.54-1.qubes.fc37    @qubes-dom0-cached
kernel-qubes-vm.x86_64           1000:6.12.59-1.qubes.fc37    @qubes-dom0-cached

And what other large files do you usually delete after dom0 updates?

[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…