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While installing Arch Linux by following the beginner's guide at https://wiki.archlinux.org/index.php/Beginners%27_Guide , I installed GRUB as my bootloader. However, on rebooting, I find my previous Ubuntu option has disappeared and I am left only with Arch.

I would like to know how I can re-add my other disk partitions to GRUB, as I can find no comprehensible tutorials anywhere else. Thanks.

Pinico
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1 Answers1

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Boot to archlinux and run as root: 

grub-mkconfig -o /boot/grub/grub.cfg

Make sure os-prober is installed if not then install it using: 

pacman -S os-prober

Its there in beginner's guide. Read Tip in green color.

Ashwani
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