gistfile1.txt

[root@crow:/home/josephoenix]# nix-channel --list | grep nixos
nixos https://nixos.org/channels/nixos-15.09

[root@crow:/home/josephoenix]# nix-channel --add https://nixos.org/channels/nixos-17.09 nixos

[root@crow:/home/josephoenix]# nixos-rebuild switch --upgrade
downloading Nix expressions from ‘https://d3g5gsiof5omrk.cloudfront.net/nixos/17.09/nixos-17.09.2033.0c5a587eeb/nixexprs.tar.xz’...
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100 9692k  100 9692k    0     0  48.4M      0 --:--:-- --:--:-- --:--:-- 48.5M
unpacking channels...
created 2 symlinks in user environment
building Nix...
error: evaluation aborted with the following error message: ‘
This version of Nixpkgs requires Nix >= 1.11, please upgrade:

- If you are running NixOS, use `nixos-rebuild' to upgrade your system.

- If you installed Nix using the install script (https://nixos.org/nix/install),
  it is safe to upgrade by running it again:

      curl https://nixos.org/nix/install | sh
’
(use ‘--show-trace’ to show detailed location information)
error: evaluation aborted with the following error message: ‘
This version of Nixpkgs requires Nix >= 1.11, please upgrade:

- If you are running NixOS, use `nixos-rebuild' to upgrade your system.

- If you installed Nix using the install script (https://nixos.org/nix/install),
  it is safe to upgrade by running it again:

      curl https://nixos.org/nix/install | sh
’
error: getting status of ‘/home/josephoenix/@nix_x86_64_linux@’: No such file or directory
warning: don't know how to get latest Nix
building the system configuration...
error: evaluation aborted with the following error message: ‘
This version of Nixpkgs requires Nix >= 1.11, please upgrade:

- If you are running NixOS, use `nixos-rebuild' to upgrade your system.

- If you installed Nix using the install script (https://nixos.org/nix/install),
  it is safe to upgrade by running it again:

      curl https://nixos.org/nix/install | sh
’
(use ‘--show-trace’ to show detailed location information)