Це стара версія документу!

This is outdated. Officially it's recommended to use system-wide Flatpak,. without –user: https://docs.flatpak.org/en/latest/using-flatpak.html#system-versus-user Do not use sudo, better use userwide flatpak installation

Search for package

flatpak --user search octave

Install package

flatpak --user install flathub org.octave.Octave

Show all installed packages

flatpak --user list

Update all packages

flatpak --user update