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I tried upgrading from 25 directly to 27 and failed - how can I recover data?

asked 2017-11-19 07:36:47 -0500

Neatu Ovidiu gravatar image

updated 2017-11-20 00:49:38 -0500

I tried updating from 25 directly to 27 and after:

sudo dnf system-upgrade reboot

it restarted and hanged somewhere.

Now I'm stuck with this screen:

I tried upgrading from 25 to 27 directly because a colleague assured me he did the same and it work.

First question: is this kind of upgrade available in Fedora? Or it's more likely that he had 26 and thought that he had 25?

I can't access the command line. I tried editing the grub file at startup by adding a 3 as the last argument to the linux command - didn't work.

Second question: can I recover the system from here? Or at least recover the data from the hard disk? (hard disk is encrypted)

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Have you tried Ctrl+Alt+F3 (or any F-key) to switch to a terminal? Have you by chance set up a ssh server on the broken machine?

dreua gravatar imagedreua ( 2017-11-19 14:00:08 -0500 )edit

3 Answers

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answered 2017-11-19 13:54:38 -0500

dreua gravatar image

Answer to first question: Yes, this kind of upgrade is available in Fedora for 1 month after release of the new version so it should work for you and I successfully upgraded from 25 to 27. (I had minor problems with selinux and missing status icons but I don't know if this was related to skipping 26.)

To the second question: I'm not sure. I have no experience with encrypted harddrives but I recovered broken systems a few times so there might be a way but it will most likely take some time and patience.

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answered 2017-11-22 01:48:22 -0500

davidva gravatar image

updated 2017-11-22 02:06:40 -0500

Well; you can follow the next graphic...

image description

It works for me when I need a new installation, and want save my home... I made a guide about "Migrate users to new installation"; but in spanish... Also read it

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Thanks! I did manage to acces the encrypted disk with Fedora Live CD. Just using the UI by opening Files and then going to "Other Location" I could see the hard disk.

Neatu Ovidiu gravatar imageNeatu Ovidiu ( 2017-11-22 12:33:21 -0500 )edit

answered 2017-11-19 14:10:01 -0500

LdeM gravatar image

Nothing but problems:

  1. Fedora Forum login fails because of old membership with obsolete email and forgotton PW. System says username in use, but recovery associated with @sbcglobal which has cancelled. (Catch 22 problem; can't login to fix login)

  2. Tried to install f25-f26 upgrade from notification. F26 appeared to install - immediately got 'F27 available' notification but f26 did not show up on boot selector (GRUB2) showed only f25. (dual boot/Win10). Neither notification appears in f25.

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I don't see how this could be an answer to Neatu Ovidu's question.

dreua gravatar imagedreua ( 2017-11-19 14:46:10 -0500 )edit

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Asked: 2017-11-19 07:36:47 -0500

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Last updated: Nov 22 '17