On Sat, Jul 03, 2021 at 05:50:44PM +0100, mick crane wrote: > I looked because "apt upgrade" failed to install things in /boot > because no room left. I deleted the oldest kernel stuff of the 3 there > and "apt upgrade" worked.
Kernel is here: $ du -sxh /boot/vmlinuz-5.10.0-0.bpo.7-amd64 6.5M /boot/vmlinuz-5.10.0-0.bpo.7-amd64 Modules are here: $ du -sxh /lib/modules/5.10.0-0.bpo.7-amd64/ 290M /lib/modules/5.10.0-0.bpo.7-amd64/ You must mean initrd, which contains selected kernel modules and is used in the boot process: $ du -sxh /boot/initrd.img-5.10.0-0.bpo.7-amd64 36M /boot/initrd.img-5.10.0-0.bpo.7-amd64 > I was thinking then to remove the unwanted modules to make the kernels > smaller. It does not work like this, no amount of modprobing or removing *ko files would make an installed kernel smaller. You could build your own kernel, of course, then things would be different. > If remove modules from kernel are the gone or are they still on disk and > could be put back ? Modprobe, insmod and rmmod merely change the state of the running kernel (i.e. - in-memory). What you probably want described at initramfs.conf(5), MODULES section. Reco
