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Diffstat (limited to 'nixpkgs/nixos/doc/manual/administration/network-problems.xml')
| -rw-r--r-- | nixpkgs/nixos/doc/manual/administration/network-problems.xml | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/nixpkgs/nixos/doc/manual/administration/network-problems.xml b/nixpkgs/nixos/doc/manual/administration/network-problems.xml new file mode 100644 index 000000000000..570f58358845 --- /dev/null +++ b/nixpkgs/nixos/doc/manual/administration/network-problems.xml @@ -0,0 +1,27 @@ +<section xmlns="http://docbook.org/ns/docbook" + xmlns:xlink="http://www.w3.org/1999/xlink" + xmlns:xi="http://www.w3.org/2001/XInclude" + version="5.0" + xml:id="sec-nix-network-issues"> + <title>Network Problems</title> + + <para> + Nix uses a so-called <emphasis>binary cache</emphasis> to optimise building a + package from source into downloading it as a pre-built binary. That is, + whenever a command like <command>nixos-rebuild</command> needs a path in the + Nix store, Nix will try to download that path from the Internet rather than + build it from source. The default binary cache is + <uri>https://cache.nixos.org/</uri>. If this cache is unreachable, Nix + operations may take a long time due to HTTP connection timeouts. You can + disable the use of the binary cache by adding <option>--option + use-binary-caches false</option>, e.g. +<screen> +# nixos-rebuild switch --option use-binary-caches false +</screen> + If you have an alternative binary cache at your disposal, you can use it + instead: +<screen> +# nixos-rebuild switch --option binary-caches http://my-cache.example.org/ +</screen> + </para> +</section> |