Linux · Flatpak, Snap & pacman

What can go wrong when fwupd applies an EFI update, and what does UEFI Secure Boot additionally require?

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More in Flatpak, Snap & pacman

An AppImage fails to launch on Ubuntu 22.04 or later — what's the usual cause and fix?
How does an AppImage differ from Snap and Flatpak in what it needs to run and distribute?
What do you give up by choosing AppImage over Snap or Flatpak, and how do you update one?
What problem do Flatpak and Snap solve that conventional DEB/RPM package management doesn't, and who backs each?
A user expects to apt install or dnf install LibreOffice on Fedora, or Firefox on Ubuntu, and is surprised — what's going on?
How is Arch Linux's pacman structured differently from apt/dnf, and what do its package files look like?