Ubuntu 20.04 droplet won't boot - grub_calloc grub2 error

Posted August 14, 2020 1.9k views
Linux BasicsDigitalOcean API and CLI (doctl)Ubuntu 20.04

Tried to reboot my ubuntu 20.04 droplet to reset the root password, but it won’t boot - grub2 is stuck at

grub rescue>

When you try to load common or linux.mod (or any consequential modules, the ones that give you the kernel command), I get the error -

error: symbol grub_calloc not found

I could fix this on a VM of my own, or anything I could attach USB media to, but IDK what to do on this droplet....

These answers are provided by our Community. If you find them useful, show some love by clicking the heart. If you run into issues leave a comment, or add your own answer to help others.

Submit an Answer
1 answer

Hi there @jnn,

In order to boot from a recovery ISO, you could follow the steps from the official documentation on how to do that here:

Let me know how it goes!