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Trying to add NixOS to my Fedora grub

Question about adding NixOS to the GRUB menu on a Fedora system. Integrating multiple Linux distributions into GRUB can be a bit tricky but is certainly possible. Here are some general steps to add NixOS to your Fedora GRUB menu: 1. **Generate NixOS Configuration**:    - Ensure that you have a working NixOS configuration. If you don't already have one, you'll need to create a NixOS configuration file (`configuration.nix`) that includes the necessary settings for your NixOS installation, including the kernel, bootloader, and boot loader options. 2. **Rebuild NixOS Configuration**:    - After modifying your NixOS configuration, you need to rebuild it to generate a new system configuration. Run the following command in your NixOS terminal:      ```bash      sudo nixos-rebuild switch      ``` 3. **Locate the NixOS Kernel Image**:    - You'll need to find the NixOS kernel image, typically located in `/nix/store`. Identify the path to the kernel image and remember it for the next