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network upgrade to fedora22 fails (multi-boot system using ubuntu grub)

asked 2015-08-07 13:20:02 -0500

martin gravatar image

updated 2015-11-10 22:27:03 -0500

mether gravatar image

I am trying to upgrade to fedora22 workstation, from fedora21 workstation, using

fedup --network 22

which goes ok, and then asks to reboot the system. When I do that I do not see the new entry in the grub menu since my primary boot drive is running Ubuntu 14.04, and is running ubuntu grub 2.02. I don't want to reinstall Grub, as I have 4 OS's loaded (all on separate drives).

I have gone into ubuntu and tried grub-update, which searches for all OS's on the drives, but fails to find the upgrade entry for fedora 22. Someone else had a multi boot issue with the upgrade posted on fedora site, but it was a different issue than I am having.

Any help is appreciated.

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answered 2015-09-01 05:28:22 -0500

shoubam gravatar image

From your ubuntu, mount the /boot of the fedora install (or / if you do not have a seperate boot partition). Then check the boot/grub2/grub.cfg for the fedora 22 entry. After you made a backup of your ubuntu grub config (probably the same path as fedora, I did not check), manually insert the previously extracted fedora 22 entry. Reboot, you should see the fedora 22 entry.

After the fedora 22 update went fine, reboot into ubuntu and run grup-update, this will probably delete the manually inserted fedora 22 entry, but should find the new fedora 22 install.

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Asked: 2015-08-07 13:20:02 -0500

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Last updated: Aug 07 '15