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authorLeo Famulari <leo@famulari.name>2016-05-28 13:41:21 -0400
committerLeo Famulari <leo@famulari.name>2016-05-28 19:59:31 -0400
commita535e1222665f3fe5e195573649b7000e8bc9d34 (patch)
tree26fe3d12e415f68b01af9a5e89c6451f0d316be5 /doc/guix.texi
parent922fe075d1e4ee7d68e1f56322c82985a953c9e4 (diff)
downloadguix-a535e1222665f3fe5e195573649b7000e8bc9d34.tar
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services: Add urandom-seed-service.
Fixes <http://bugs.gnu.org/23605>. * gnu/services/base.scm (urandom-seed-service): New procedure. (%random-seed-file, urandom-seed-service-type): New variables. (%urandom-seed-shepherd-service): New procedure. (%base-services): Call 'urandom-seed-service'. * doc/guix.texi (Base Services): Document it.
Diffstat (limited to 'doc/guix.texi')
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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