On Sun, 13 Jun 2021 00:07:27 -0400, Walter Dnes wrote: > I have multiple (would you believe 2?) kernels in /boot. > > [x8940][waltdnes][~] ll /boot/vm* > -rwxr-xr-x 1 root root 7046848 Jun 12 23:46 /boot/vmlinuz-experimental > -rwxr-xr-x 1 root root 6986624 Jun 12 16:55 /boot/vmlinuz-production > > The grub kernel listing at bootup is > > - production kernel > - production kernel recovery mode > - experimental kernel > - experimental kernel recovery mode > > The default is the first entry, i.e. "GRUB_DEFAULT=0" in > /etc/default/grub. I prefer going with "experimental". If I screw up > the config to the point where it can't boot, then I'll manually override > to "production". The simple way of getting the third entry as default > is "GRUB_DEFAULT=2" (remember to count from zero). > > This works for now. But what happens if/when I add more kernels for > whatever reason? Let me rephrase the question more generally... given a > kernel "/boot/vmlinuz-fubar" how and where do I specify it by name as > the default boot kernel? >
The default setting takes either the number of title of a kernel, so default="experimental kernel" should do it. -- Neil Bothwick A Smith & Wesson beats Four Aces everytime.
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