Hi
On Sun, 08 Jan 2023 18:46:09 +1100 Stephen Morris wrote:
> From a google check for the default grub kernel boots it seems that if
> you add the following two statements into /etc/default/grub and then run
> grub2-mkconfig grub will use the last selected kernel as the default
> boot kernel.
> |GRUB_SAVEDEFAULT=true GRUB_DEFAULT=saved|
Right: I do that since the switch to grub2.
In addition I add a script in /etc/kernel/postinst.d/ to force a
grub2-mkconfig at each new kernel install.
---------------------------------------------------------------
#!/bin/bash -p
PATH=/sbin:/bin:/usr/sbin:/usr/bin
# Regenerates grub.cfg in posttrans of a kernel installation.
date=$(date '+%Y-%m-%d_%H%M%S')
grub2conf=/boot/grub2/grub.cfg
cp -pf $grub2conf $grub2conf-$date
grub2-mkconfig -o $grub2conf || {
# grub2-mkconfig is safe: do not install if it fails.
echo '*** /sbin/grub2-mkconfig failed. Aborting'
exit 1
}
# Suppress the current saved_entry: potentially wrong since one
# rebuilds grub.cfg.
grub2-editenv - unset saved_entry
---------------------------------------------------------------
--
francis
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