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-rw-r--r--doc/guix.texi16
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diff --git a/doc/guix.texi b/doc/guix.texi
index cb60d5c7b7..5d274e02fe 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -25530,6 +25530,22 @@ complex deployment may involve, for example, starting virtual machines through
a Virtual Private Server (VPS) provider. In such a case, a different
@var{environment} type would be used.
+Do note that you first need to generate a key pair on the coordinator machine
+to allow the daemon to export signed archives of files from the store
+(@pxref{Invoking guix archive}).
+
+@example
+# guix archive --generate-key
+@end example
+
+@noindent
+Each target machine must authorize the key of the master machine so that it
+accepts store items it receives from the coordinator:
+
+@example
+# guix archive --authorize < coordinator-public-key.txt
+@end example
+
@deftp {Data Type} machine
This is the data type representing a single machine in a heterogeneous Guix
deployment.