To reduce size of initramfs I change the compression setting in 

/etc/initramfs/initramfs.conf 

and set it to “xz”

After that one needs to rebuild initramfs.

Sent from my phone. Please forgive misspellings and weird “corrections”

> On 13 Nov 2022, at 16:35, David Christensen <dpchr...@holgerdanske.com> wrote:
> 
> On 11/13/22 01:41, Peter von Kaehne wrote:
>> I mostly let the installer do what it likes to do when installing Debian and 
>> this has worked out fine until the last couple installs on UEFI rather than 
>> legacy boot.
>> It now appears that the automatic installer does not get size of /boot right 
>> - even with only one new kernel update wanting to install itself it often 
>> fails with lack of space. One solution I found is to change the initramfs 
>> compression algorithm, which gives me space for two full kernels and 
>> initramfses. But this is still problematic. Are there other solutions other 
>> than reinstall with a larger boot partition?
>> For me the main problem are a couple of elderly relatives etc whose 
>> computers I administer mostly in a hands off fashion - with automatic 
>> security updates only and occasionally some more work during visits.
>> Now I am needing to look into sorting out remote access or simply disable 
>> all updates, neither of which is ideal for any variety of reasons.
>> Any clever suggestions which bring me back into a place where a few kernels 
>> can easily install without things getting too crowded?
>> Sent from my phone. Please forgive misspellings and weird “corrections”
> 
> 
> Please run the following commands as root and post the complete console 
> session -- prompts, commands entered, and output displayed:
> 
> 2022-11-13 08:32:14 root@laalaa ~
> # cat /etc/debian_version ; uname -a
> 11.5
> Linux laalaa 5.10.0-19-amd64 #1 SMP Debian 5.10.149-2 (2022-10-21) x86_64 
> GNU/Linux
> 
> 2022-11-13 08:32:24 root@laalaa ~
> # ls -lF /boot
> total 109188
> -rw-r--r-- 1 root root       83 Sep  2 06:54 System.map-5.10.0-18-amd64
> -rw-r--r-- 1 root root       83 Oct 21 13:24 System.map-5.10.0-19-amd64
> -rw-r--r-- 1 root root   236286 Sep  2 06:54 config-5.10.0-18-amd64
> -rw-r--r-- 1 root root   236275 Oct 21 13:24 config-5.10.0-19-amd64
> drwxr-xr-x 5 root root     4096 Oct 29 13:48 grub/
> -rw-r--r-- 1 root root 48673909 Sep 24 17:33 initrd.img-5.10.0-18-amd64
> -rw-r--r-- 1 root root 48693403 Oct 29 13:19 initrd.img-5.10.0-19-amd64
> drwx------ 2 root root    16384 Jan  9  2022 lost+found/
> -rw-r--r-- 1 root root  6962016 Sep  2 06:54 vmlinuz-5.10.0-18-amd64
> -rw-r--r-- 1 root root  6963648 Oct 21 13:24 vmlinuz-5.10.0-19-amd64
> 
> 2022-11-13 08:32:50 root@laalaa ~
> # du -bc /boot
> 4379325    /boot/grub/locale
> 2010385    /boot/grub/i386-pc
> 2398204    /boot/grub/fonts
> 11195075    /boot/grub
> 16384    /boot/lost+found
> 122981258    /boot
> 122981258    total
> 
> 2022-11-13 08:33:20 root@laalaa ~
> # df /boot
> Filesystem     1M-blocks  Used Available Use% Mounted on
> /dev/sda1           920M  118M      739M  14% /boot
> 
> 
> David
> 

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