I'd recommand doing one version upgrade at a time.
You are suppose to be able to upgrade 2 versions, but I once had it fail 
and system was not easily fixable, so just did a clean install that was a 
pain to get back to the state of the system.

I just updated two machines from fc31 to fc32 using dnf with no 
problem.

I generally create a list of packages installed, so If I want to do a clean 
install, and then make the new system have a similar setup instead of 
have to manually do it.

#!/usr/bin/bash
rpm --qf "%{NAME}.%{ARCH}\n" -qa | sort  | grep -v gpg-pubkey > 
installed_pkgs`date +%F`.txt

Then can pipe that into a dnf install. Sometime have to remove some 
lines for packages that no longer exist or have been replaced. 

Good Luck.


On 1 Sep 2020 at 18:40, François Patte wrote:

To:     users@lists.fedoraproject.org
From:   François Patte <francois.pa...@mi.parisdescartes.fr>
Subject:        system-upgrade
Organization:   Université Paris Descartes
Date sent:      Tue, 1 Sep 2020 18:40:11 +0200
Send reply to:  Community support for Fedora users 
<users@lists.fedoraproject.org>

> Bonjour,
> 
> I have a computer which runs fedora 29, may I use dnf system-upgrade to
> upgrade to fedora 32?
> 
> Thank you.
> 
> If not, what is the safer way to upgrade?
> 
> 
> -- 
> François Patte
> UFR de mathématiques et informatique
> Laboratoire CNRS MAP5, UMR 8145
> Université Paris Descartes
> 45, rue des Saints Pères
> F-75270 Paris Cedex 06
> Tél. +33 (0)6 7892 5822
> http://www.math-info.univ-paris5.fr/~patte
> FSF
> https://www.fsf.org/blogs/community/presenting-shoetool-happy-holidays-from-the-fsf
> 
> 


+------------------------------------------------------------+
 Michael D. Setzer II - Computer Science Instructor (Retired)     
 mailto:mi...@guam.net                            
 mailto:msetze...@gmail.com
 Guam - Where America's Day Begins                        
 G4L Disk Imaging Project maintainer 
 http://sourceforge.net/projects/g4l/
+------------------------------------------------------------+


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