Jens Schmidt wrote: > On Debian testing I've been bitten by the systemd upgrade and the > systemd package split recently, rendering my dracut-LUKS-based > system unbootable. I know that my warranty is void since I'm on > testing, but both these issues would have been much easier to cope > with if there had been some good backup of my initramfs and kernel > below /boot. > > So I thought that there might be some automatism like this: > > If the currently used kernel and initramfs have been in use > already N times and if the boot time has been lower then M > minutes each time (and if some other conditions are fulfilled), > then consider that kernel and initramfs good and save them away > where they will not be overwritten by regular kernel/initramfs > maintenance.
Are you using grub as your bootloader? Normally apt upgrade leaves the last N (N=5?) kernels and initramfs in /boot, and configures grub to make them available. apt dist-upgrade, on the other hand, tries to remove the oldest unused kernel and initramfs each time. -dsr-
