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manual: suggest faster and less memory-intensive nix-env command

Simple "nix-env -i" is slow and runs out of memory on old computers.
NixOS/nix#421
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sbourdeauducq committed Mar 5, 2019
1 parent 24a3b31 commit bffb1cf14160f5fdb6f9afbd96b6c083391a2460
Showing with 1 addition and 1 deletion.
  1. +1 −1 doc/manual/installing.rst
@@ -37,7 +37,7 @@ Nix won't install packages without verifying their cryptographic signature. Add
substituters = https://cache.nixos.org https://nixbld.m-labs.hk
trusted-public-keys = cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY= nixbld.m-labs.hk-1:5aSRVA5b320xbNvu30tqxVPXpld73bhtOeH6uAjRyHc=

The easiest way to obtain ARTIQ is then to install it into the user environment with ``$ nix-env -i python3.6-artiq``. This provides a minimal installation of ARTIQ where the usual commands (``artiq_master``, ``artiq_dashboard``, ``artiq_run``, etc.) are available.
The easiest way to obtain ARTIQ is then to install it into the user environment with ``$ nix-env -f "<m-labs>" -iA artiq``. This provides a minimal installation of ARTIQ where the usual commands (``artiq_master``, ``artiq_dashboard``, ``artiq_run``, etc.) are available.

This installation is however quite limited, as Nix creates a dedicated Python environment for the ARTIQ commands alone. This means that other useful Python packages that you may want (pandas, matplotlib, ...) are not available to them, and this restriction also applies to the M-Labs packages containing board binaries, which means that ``artiq_flash`` will not automatically find them.

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