doc: Add note about signing keys.

* doc/guix.texi (Invoking guix deploy): Add note explaining that
deployment targets must authorize the coordinator machine's signing key.
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Jakob L. Kreuze 2019-07-29 18:36:01 -04:00 committed by Christopher Lemmer Webber
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@ -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.