Shao ChengandGitHub 446649e540 Update "Upgrading Nix" documentation ...

This PR proposes two changes to the "Upgrading Nix" documentation:

* Besides updating `nixpkgs.nix`, we also update `nixpkgs.cacert`, so that the certificates are up-to-date as well.
* Add the instructions for multi-user mode on Linux.

2020-05-09 15:59:39 +02:00

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manual

Update "Upgrading Nix" documentation

2020-05-09 15:59:39 +02:00