Category "nixos"

NixOS - how to add ping command on code-server terminal

Which package should I add to extraPackages property to make ping command available? I have tried extraPackages = with pkgs; [ ping ]; But it didnot work, it in

stack build error: attribute ‘ghc822’ missing, at (string):1:53

I am attempting to build my haskell project on NixOS. Running $ stack build gives the following error. $ stack build error: attribute ‘ghc822’ mis