In case of modifying grub settings by editing /etc/default/grub, you need to run update-grub. But in kaos I faced:

bash: update-grub: command not found

So I manually created one as beow:

sudo nano /usr/sbin/update-grub

In opened empty file added:

#!/bin/sh

set -e

exec grub-mkconfig -o /boot/grub/grub.cfg "$@"

Then I ran:

sudo chown root:root /usr/sbin/update-grub

sudo chmod 755 /usr/sbin/update-grub

This way I manually created an update-grub commmand just like in ubuntu. Then I ran:

update-grub

And it worked. Hope it helps :)

Not seen the KaOS tutorials? There are a few that show how to correctly update grub, examples:

Not seen the KaOS tutorials? There are a few that show how to correctly update grub, examples:

a month later

i should have posted a month ago.

thanks for this it helped me get my kali back in grub

4 years later

Time to close this very old topic, came from when different forum software was used, thus not all links where imported.
Grub install is documented at https://kaosx.us/docs/grub/

demm locked the discussion .