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1 | <?xml version="1.0"?> | |
2 | <!--*-nxml-*--> | |
3 | <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" | |
4 | "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd"> | |
5 | <!-- SPDX-License-Identifier: LGPL-2.1+ --> | |
6 | <refentry id="systemd-random-seed.service" conditional='ENABLE_RANDOMSEED'> | |
7 | ||
8 | <refentryinfo> | |
9 | <title>systemd-random-seed.service</title> | |
10 | <productname>systemd</productname> | |
11 | </refentryinfo> | |
12 | ||
13 | <refmeta> | |
14 | <refentrytitle>systemd-random-seed.service</refentrytitle> | |
15 | <manvolnum>8</manvolnum> | |
16 | </refmeta> | |
17 | ||
18 | <refnamediv> | |
19 | <refname>systemd-random-seed.service</refname> | |
20 | <refname>systemd-random-seed</refname> | |
21 | <refpurpose>Load and save the system random seed at boot and shutdown</refpurpose> | |
22 | </refnamediv> | |
23 | ||
24 | <refsynopsisdiv> | |
25 | <para><filename>systemd-random-seed.service</filename></para> | |
26 | <para><filename>/usr/lib/systemd/random-seed</filename></para> | |
27 | </refsynopsisdiv> | |
28 | ||
29 | <refsect1> | |
30 | <title>Description</title> | |
31 | ||
32 | <para><filename>systemd-random-seed.service</filename> is a | |
33 | service that restores the random seed of the system at early boot | |
34 | and saves it at shutdown. See | |
35 | <citerefentry><refentrytitle>random</refentrytitle><manvolnum>4</manvolnum></citerefentry> | |
36 | for details. Saving/restoring the random seed across boots | |
37 | increases the amount of available entropy early at boot. On disk | |
38 | the random seed is stored in | |
39 | <filename>/var/lib/systemd/random-seed</filename>.</para> | |
40 | </refsect1> | |
41 | ||
42 | <refsect1> | |
43 | <title>See Also</title> | |
44 | <para> | |
45 | <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>, | |
46 | <citerefentry><refentrytitle>random</refentrytitle><manvolnum>4</manvolnum></citerefentry> | |
47 | </para> | |
48 | </refsect1> | |
49 | ||
50 | </refentry> |