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Old 02-27-2016, 05:46 AM   #1
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Registered: Feb 2016
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Errors in Upgrading to Fedora 22 from 21

Hi, recently i went through a sys failure on my fedora 21.
The issue resolved itself, and I don't know how. But when I had asked for
help, one of the suggestion was that I should upgrade to fedora 23.

Now that I have my fedora back, I am gearing up for the upgrade. I am following guidelines from a fedoraproject page named DNF system upgrade(
But I seem to be getting some error in synchronizing cache for ozone and some kernel uname problem for virtualbox

Here is the exact messeges from the procedure I have till now followed:-

[lAPPYc@lappyc-fedora21 ~]$ sudo dnf update --refresh
[sudo] password for lAPPYc:
RPM Fusion for Fedora 21 - Free - Updates 608 kB/s | 449 kB 00:00
Adobe Systems Incorporated 1.4 kB/s | 1.8 kB 00:01
RPM Fusion for Fedora 21 - Nonfree - Updates 605 kB/s | 211 kB 00:00
RPM Fusion for Fedora 21 - Free 651 kB/s | 508 kB 00:00
Failed to synchronize cache for repo 'ozonos' from '': repomd.xml parser error: Parse error at line: 1 (no element found), disabling.
RPM Fusion for Fedora 21 - Nonfree 861 kB/s | 179 kB 00:00
Using metadata from Sat Feb 27 15:40:40 2016 (0:00:16 hours old)
Dependencies resolved.
Nothing to do.
[lAPPYc@lappyc-fedora21 ~]$ sudo dnf system-upgrade download --releasever=22
Fedora 22 - x86_64 114 kB/s | 41 MB 06:09
RPM Fusion for Fedora 22 - Free - Updates 43 kB/s | 224 kB 00:05
RPM Fusion for Fedora 22 - Nonfree - Updates 8.6 kB/s | 53 kB 00:06
RPM Fusion for Fedora 22 - Free 22 kB/s | 551 kB 00:25
Failed to synchronize cache for repo 'ozonos' from '': Cannot download repomd.xml: Cannot download repodata/repomd.xml: All mirrors were tried, disabling.
Fedora 22 - x86_64 - Updates 47 kB/s | 21 MB 07:44
RPM Fusion for Fedora 22 - Nonfree 21 kB/s | 170 kB 00:07
Using metadata from Sat Feb 27 15:40:47 2016 (0:16:33 hours old)
Error: nothing provides kernel-uname-r = 4.2.3-200.fc22.x86_64 needed by kmod-VirtualBox-4.2.3-200.fc22.x86_64-4.3.32-1.fc22.x86_64
I don't want my system to go into coma again, so even if i think that the problems are not very significant, I would like some conformation, or a way to resolve the error

Thank You very much....
Old 02-27-2016, 10:30 PM   #2
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Registered: Nov 2015
Location: Alberta Canada
Distribution: Windows10, Debian
Posts: 1,109

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Personally I don't upgrade any Linux system, instead I wait for a new release and do a new install. This is based on my experience with upgrades which has not been good, usually resulting in bugs, glitches and problems I didn't have before the upgrade. But I'm sure others will have different opinions.


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