error experimental nix feature 'nix command'

IMAGES

1. Error: experimental Nix feature 'nix-command' is disabled

   

2. Error: experimental Nix feature 'nix-command' is disabled

   

3. error: experimental Nix feature 'nix-command' is disabled · Issue #56 · dustinlyons/nixos-config

   

4. error: experimental Nix feature 'nix-command' is disabled · Issue #56 · dustinlyons/nixos-config

   

5. Getting sqlite error when trying to run nix build command

   

6. error: could not set permissions on '/nix/var/nix/profiles/per-user' to 755: Operation not