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services: urandom-seed: Depend on udev.

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Suggested by Leo Famulari <leo@famulari.name>.

* gnu/services/base.scm (urandom-seed-shepherd-service): Add 'udev' to
'requirement'.
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Ludovic Courtès 2017-12-21 10:20:50 +01:00
parent 8faaf8d7cc
commit 4a32f58aa1
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gnu/services/base.scm
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@ -529,7 +529,10 @@ (define (urandom-seed-shepherd-service _)
(list (shepherd-service
(documentation "Preserve entropy across reboots for /dev/urandom.")
(provision '(urandom-seed))
(requirement '(file-systems))
;; Depend on udev so that /dev/hwrng is available.
(requirement '(file-systems udev))
(start #~(lambda _
;; On boot, write random seed into /dev/urandom.
(when (file-exists? #$%random-seed-file)