Flatpak: sandbox permissions

If you need to grant a flatpak application access to parts of your filesystem, you can override the sandbox permissions using the following command:

sudo flatpak override <package_name_here> --filesystem=<path_here>

You should only have to do this command once; the change is persistent and the next time you open the app you’ll have access to the required directory.

You can get the package_name_here from the command flatpak list and add it in minus the <> characters. And if necessary, you can use quotation marks around the filesystem path if your path has spaces in it.

• Sources:
  • https://askubuntu.com/questions/1086529/how-to-give-a-flatpak-app-access-to-a-directory/1094903
  • http://docs.flatpak.org/en/latest/sandbox-permissions.html

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