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I had Fedora 17 in a primary partition. Yesterday I installed Ubuntu in an extended partition, and I can't see Fedora in grub, so I tried update-grub2 but it doesn't recognise Fedora being present, even if the Fedora partition is mounted. So I tried to re-install grub from live USB but it did not work either.

How to bring back my Fedora? I don't want to re-install Fedora in the other partition.

Output of fdisk -l

root@phanindra-VPCCW25FN:/home/phanindra# fdisk -l

Disk /dev/sda: 320.1 GB, 320072933376 bytes
255 heads, 63 sectors/track, 38913 cylinders, total 625142448 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x000afaf9

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *        2048    46139391    23068672   83  Linux
/dev/sda2        46141438    83888127    18873345    5  Extended
/dev/sda3        83888128   207808511    61960192   83  Linux
/dev/sda4       207808512   625141759   208666624   83  Linux
/dev/sda5        46141440    52432895     3145728   82  Linux swap / Solaris
/dev/sda6        52434944    83888127    15726592   83  Linux
root@phanindra-VPCCW25FN:/home/phanindra#

/dev/sda6 has the current Ubuntu and /dev/sda1 has Fedora. Is there any other option without installing super grub?

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Edit your question and add the output of sudo fdisk -l. – jokerdino Oct 14 '12 at 7:56
updated the question qith fdisk -l output – pahnin Oct 14 '12 at 10:33

4 Answers

up vote 1 down vote

login to ubuntu and try this method

sudo add-apt-repository ppa:yannubuntu/boot-repair
sudo apt-get update
sudo apt-get install -y boot-repair
boot-repair

After a few seconds, Boot Repair's main window will open. Click on Recommended repair. enter image description here

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up vote 0 down vote
  1. Log in to Ubuntu
  2. $ grub-update

All done!

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1  
did it already, it wont work – pahnin Oct 14 '12 at 10:31
hmm.. strange it till 10.10 it used to auto detect... check if you have "os-prober" installed... or you can try to reinstall the grub once more. – rho Oct 15 '12 at 4:49
up vote 0 down vote

Try Super Grub 2

It should automatically find all the OSes!

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is super grub disk 2 for broken system or for normal use? – pahnin Oct 14 '12 at 10:37
It is basically built up to have a back up in case u screw with your system while trying new OS and loose one/more OS being enlisted in ur grub. So your problem seems similar. you can give a try! – Chandan Gupta Oct 16 '12 at 2:35
up vote 0 down vote

Mount the Fedora partition. Go to the /mount/point/boot/grub/grub.cfg and then get the things which says fedora and edit you own /boot/grub/grub.cfg.

OR

You can do the chmod and use the Fedora's installation. Something like:

$ mount /dev /fedora/partition/mount/dev -bind
$ mount /sys /fedora/partition/mount/sys -bind
$ mount /proc /fedora/partition/mount/proc -bind
$ cd /fedora/partiton/mount/
$ chroot .

Then reload your grub using your Fedora chroot inside the Ubuntu.

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