diff options
Diffstat (limited to 'nixos/doc/manual/from_md/administration/network-problems.section.xml')
| -rw-r--r-- | nixos/doc/manual/from_md/administration/network-problems.section.xml | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/nixos/doc/manual/from_md/administration/network-problems.section.xml b/nixos/doc/manual/from_md/administration/network-problems.section.xml new file mode 100644 index 00000000000..4c0598ca94e --- /dev/null +++ b/nixos/doc/manual/from_md/administration/network-problems.section.xml @@ -0,0 +1,25 @@ +<section xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" 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 + <literal>nixos-rebuild</literal> 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 + <literal>https://cache.nixos.org/</literal>. 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 <literal>--option use-binary-caches false</literal>, e.g. + </para> + <programlisting> +# nixos-rebuild switch --option use-binary-caches false +</programlisting> + <para> + If you have an alternative binary cache at your disposal, you can + use it instead: + </para> + <programlisting> +# nixos-rebuild switch --option binary-caches http://my-cache.example.org/ +</programlisting> +</section> |