dustin.web/content/blog/fedora-update-roroot.md

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title = 'Updating Fedora with Read-Only Root Filesystem'
date = 2019-11-12T15:52:00-06:00
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When using `dnf system-update` on a Fedora machine that has a read-only root
filesystem, it is important to make sure that the filesystem will be mounted
read-write automatically first. Edit `/etc/fstab` and change it to `rw`
before rebooting, lest the update will fail.
I imagine the offline update process really should remount the root filesystem
on its own, but that does not appear the case, at least for now.