Installing Gnome alongside KDE

Help
1

Hi!I want to install Gnome alongside KDE when I typed sudo nixos-rebuild switch command gives me errors!
error:
… while evaluating the attribute ‘config’

     at /nix/store/pm0770vy1cvgr38n5gllxqfa5p0mxqyn-nixos-23.11.3640.56911ef3403a/nixos/lib/modules.nix:320:9:

      319|         options = checked options;
      320|         config = checked (removeAttrs config [ "_module" ]);
         |         ^
      321|         _module = checked (config._module);

   … while calling the 'seq' builtin

     at /nix/store/pm0770vy1cvgr38n5gllxqfa5p0mxqyn-nixos-23.11.3640.56911ef3403a/nixos/lib/modules.nix:32

0:18:

      319|         options = checked options;
      320|         config = checked (removeAttrs config [ "_module" ]);
         |                  ^
      321|         _module = checked (config._module);

   (stack trace truncated; use '--show-trace' to show the full trace)

   error: attribute 'services.xserver.enable' already defined at /etc/nixos/configuration.nix:47:3

   at /etc/nixos/configuration.nix:53:3:

       52|   services.xserver.desktopManager.xfce.enable = true;
       53|   services.xserver.enable = false;
         |   ^
       54|   services.xserver.displayManager.gdm.enable = false;

building Nix…
error:
… while evaluating the attribute ‘config’

     at /nix/store/pm0770vy1cvgr38n5gllxqfa5p0mxqyn-nixos-23.11.3640.56911ef3403a/nixos/lib/modules.nix:320:9:

      319|         options = checked options;
      320|         config = checked (removeAttrs config [ "_module" ]);
         |         ^
      321|         _module = checked (config._module);

   … while calling the 'seq' builtin

     at /nix/store/pm0770vy1cvgr38n5gllxqfa5p0mxqyn-nixos-23.11.3640.56911ef3403a/nixos/lib/modules.nix:32

0:18:

      319|         options = checked options;
      320|         config = checked (removeAttrs config [ "_module" ]);
         |                  ^
      321|         _module = checked (config._module);

   (stack trace truncated; use '--show-trace' to show the full trace)

   error: attribute 'services.xserver.enable' already defined at /etc/nixos/configuration.nix:47:3

   at /etc/nixos/configuration.nix:53:3:

       52|   services.xserver.desktopManager.xfce.enable = true;
       53|   services.xserver.enable = false;
         |   ^
       54|   services.xserver.displayManager.gdm.enable = false;

building the system configuration…
error:
… while evaluating the attribute ‘config.system.build.toplevel’

     at /nix/store/pm0770vy1cvgr38n5gllxqfa5p0mxqyn-nixos-23.11.3640.56911ef3403a/nixos/lib/modules.nix:320:9:

      319|         options = checked options;
      320|         config = checked (removeAttrs config [ "_module" ]);
         |         ^
      321|         _module = checked (config._module);

   … while calling the 'seq' builtin

     at /nix/store/pm0770vy1cvgr38n5gllxqfa5p0mxqyn-nixos-23.11.3640.56911ef3403a/nixos/lib/modules.nix:32

0:18:

      319|         options = checked options;
      320|         config = checked (removeAttrs config [ "_module" ]);
         |                  ^
      321|         _module = checked (config._module);

   (stack trace truncated; use '--show-trace' to show the full trace)

   error: attribute 'services.xserver.enable' already defined at /etc/nixos/configuration.nix:47:3

   at /etc/nixos/configuration.nix:53:3:

       52|   services.xserver.desktopManager.xfce.enable = true;
       53|   services.xserver.enable = false;
         |   ^
       54|   services.xserver.displayManager.gdm.enable = false;

[victor@nixos:~]$

2

You probably don’t actually want to set services.xserver.enable = false; here. If you’re doing that because you want to use Wayland, don’t worry. It’s a poorly named option for historical reasons, but having it enabled won’t prevent you from running a wayland session.

1 Like