If you need to grant a flatpak application access to parts of your filesystem, you can override the sandbox permissions using the following command:
Continue reading Flatpak: sandbox permissions
sudo flatpak override <package_name_here> --filesystem=<path_here>
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The Realtek 8723DE Wifi driver is not supported natively in the Linux kernel. The Bluetooth functionality for this chipset is supported but for some reason it does not work on newer kernels. But here are the instructions to get the WiFi working.
Continue reading RTL8723DE WiFi Driver install
If Grub fails to boot your operating system, you can take steps to find and boot your system then reinstall grub to fix the problem. The following example shows you how to use commands in the emergency grub command line to find your operating system and boot it. Lines that start with the comment character ‘//’ is a description of what the command is doing.
Continue reading Grub – Emergency Boot