>> sudo nix-channel --list nixpkgs https://nixos.org/channels/nixpkgs-unstable nixos https://nixos.org/channels/nixos-15.09
>> nixos-version 15.09.1180.e8e1cb8 (Dingo) >> nix-env --version nix-env (Nix) 1.10 Anything else? > On 31 Mar 2016, at 00:45, Jonn Mostovoy <[email protected]> wrote: > > Just worked for me, exactly the same command. > My version of nixpkgs is way older though. > > On Mar 31, 2016 12:40 AM, "Dmitry Malikov" <[email protected] > <mailto:[email protected]>> wrote: > >> nix-env -qaP '*' | grep letsencrypt > nixpkgs.letsencrypt > letsencrypt-0.4.0 > > >> nix-shell -p letsencrypt > error: undefined variable ‘letsencrypt’ at (string):1:66 > (use ‘--show-trace’ to show detailed location information) > > What am I missing here? > > _______________________________________________ > nix-dev mailing list > [email protected] <mailto:[email protected]> > http://lists.science.uu.nl/mailman/listinfo/nix-dev > <http://lists.science.uu.nl/mailman/listinfo/nix-dev> >
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