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Issue #404 DNF System Upgrade should mention updating GRUB for BIOS

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Anthony McGlone 2022-12-01 14:34:56 +00:00
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modules/ROOT/pages/dnf-system-upgrade.adoc
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@ -117,6 +117,28 @@ 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-update-grub-bootloader-on-bios]]
=== Update GRUB bootloader on BIOS systems
Systems with the BIOS firmware have the GRUB RPM packages updated. However, the installed or embedded bootloader is never updated automatically. It is a good idea to update it between Fedora release versions.
Find the device node the `/boot/` directory is located on:
[source,bash]
----
$ sudo mount | grep "/boot "
/dev/sda4 on /boot type ext4 (rw,relatime,seclabel)
----
The device node is `/dev/sda4`. Reinstall the bootloader while specifying the device node without the number:
[source,bash]
----
$ sudo grub2-install /dev/sda
Installing for i386-pc platform.
Installation finished. No error reported.
----
[[sect-clean-up-retired-packages]]
=== Clean-up retired packages