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I have just installed Xubuntu 17.10, and I have noticed that grub did not detect my previous Manjaro installation (which is still intact in another partition, I checked).

How do I get grub to add Manjaro as booting option? Please provide easy-to-follow instructions, as I am a newbie.

Thanks

EDIT 1: I have already tried using sudo update-grub and sudo update-grub2, rebooting after using each one, and it made no difference at all. Moreover, I want to point out that at boot time I do not see the grub menu -- the screen is blank for a few seconds, and then Xubuntu boots normally.

Edit 2: I don't know if this matters, but the filesystem of my Manjaro OS partition is btrfs

Tocell
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1 Answers1

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It might just be that the checks update-grub2 does is unable to read a BTRFS partition. In theory they should work if you've got it mounted, but grub is supposed to run before any such file system drivers are loaded so it might make sense that it didn't pick up this particular partition.

I've had some similar issues with XFS formatted partitions too. It seems grub only like FAT/EXT/NTFS. For other stuff I've always had to manually edit the grub menu.

BTW, I prefer using Grub Customizer to editing the grub config file in a text editor. Though it's not available in the normal repositories, I have to add a ppa from launchpad to install this tool: https://launchpad.net/~danielrichter2007/+archive/ubuntu/grub-customizer

irneb
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