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-rw-r--r--doc/guix.texi11
1 files changed, 11 insertions, 0 deletions
diff --git a/doc/guix.texi b/doc/guix.texi
index bb75425a9f..01363c1d13 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -7355,6 +7355,17 @@ Return a service that runs the Guix build daemon according to
Run @var{udev}, which populates the @file{/dev} directory dynamically.
@end deffn
+@deffn {Scheme Procedure} urandom-seed-service @var{#f}
+Save some entropy in @var{%random-seed-file} to seed @file{/dev/urandom}
+when rebooting.
+@end deffn
+
+@defvr {Scheme Variable} %random-seed-file
+This is the name of the file where some random bytes are saved by
+@var{urandom-seed-service} to seed @file{/dev/urandom} when rebooting.
+It defaults to @file{/var/lib/random-seed}.
+@end defvr
+
@deffn {Scheme Procedure} console-keymap-service @var{files} ...
@cindex keyboard layout
Return a service to load console keymaps from @var{files} using