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add new section about remove-retired-packages

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Documenting https://fedoraproject.org/wiki/Changes/RetiredPackages
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Miroslav Suchý 2022-03-03 09:58:42 +00:00
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modules/ROOT/pages/dnf-system-upgrade.adoc
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@ -117,6 +117,21 @@ For more information you can refer to the man pages (`man rpmconf`).
If you use `rpmconf` to upgrade the system configuration files supplied with the upgraded packages then some configuration files may change. After the upgrade you should verify `/etc/ssh/sshd_config`, `/etc/nsswitch.conf`, `/etc/ntp.conf` and others are expected. For example, if OpenSSH is upgraded then `sshd_config` reverts to the default package configuration. The default package configuration *does not* enable public key authentication, and allows password authentication.
[[sect-clean-up-retired-packages]]
=== Clean-up retired package
Every release Fedora retires a few packages. There are various reasons:
the package become obsoleted, dead upstream or maintainer stepped down.
Fedora no longer distribute these packages, but they are still present
at your systems. You will never receive upgrades. Not even security ones.
It is highly recommend to remove these packages.
[source,bash]
----
sudo dnf install remove-retired-packages
remove-retired-packages
----
[[sect-clean-up-old-packages]]
=== Clean-up old packages