Grub2 error during rebuild…

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When doing a grub2-update you might see some funky chatter/errors during the rebuild. You might need to edit a “global_filter” in order to exclude such warnings.

Example: error:

IF this happens you can edit the /etc/default/grub

You may either need to uncomment or add in something like

This instance was specifically for my /dev/sdc error.

Now you can …

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