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I want to set up my ubuntu server to boot from an older kernel since the current one causes problems.

How do i see the list of entries in the grub menu so i know which one to set to GRUB_DEFAULT? Without restarting. Its a remote server and id rather not drive 30 kms to see a list.

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Look in /boot for the initrd.img-* files. – Alex R. Feb 3 '14 at 18:06
up vote 3 down vote accepted

Look for menuentry in /boot/grub/grub.cfg

cat /boot/grub/grub.cfg | grep menuentry
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Thank you! You saved me a lot of time – user241861 Feb 3 '14 at 18:15

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