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https://github.com/systemd/systemd
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289 lines
11 KiB
XML
289 lines
11 KiB
XML
<?xml version='1.0'?> <!--*- Mode: nxml; nxml-child-indent: 2; indent-tabs-mode: nil -*-->
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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
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"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" [
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<!ENTITY % entities SYSTEM "custom-entities.ent" >
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%entities;
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]>
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<!--
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SPDX-License-Identifier: LGPL-2.1+
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-->
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<refentry id="systemd-journal-upload" conditional='HAVE_MICROHTTPD'
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xmlns:xi="http://www.w3.org/2001/XInclude">
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<refentryinfo>
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<title>systemd-journal-upload.service</title>
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<productname>systemd</productname>
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</refentryinfo>
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<refmeta>
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<refentrytitle>systemd-journal-upload.service</refentrytitle>
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<manvolnum>8</manvolnum>
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</refmeta>
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<refnamediv>
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<refname>systemd-journal-upload.service</refname>
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<refname>systemd-journal-upload</refname>
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<refpurpose>Send journal messages over the network</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<para><filename>systemd-journal-upload.service</filename></para>
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<cmdsynopsis>
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<command>/usr/lib/systemd/systemd-journal-upload</command>
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<arg choice="opt" rep="repeat">OPTIONS</arg>
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<arg choice="opt" rep="norepeat">-u/--url=<replaceable>URL</replaceable></arg>
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<arg choice="opt" rep="repeat">SOURCES</arg>
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</cmdsynopsis>
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</refsynopsisdiv>
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<refsect1>
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<title>Description</title>
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<para><command>systemd-journal-upload</command> will upload journal entries to the URL specified
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with <option>--url=</option>. This program reads journal entries from one or more journal files,
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similarly to
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<citerefentry><refentrytitle>journalctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>.
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Unless limited by one of the options specified below, all journal entries accessible to the user
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the program is running as will be uploaded, and then the program will wait and send new entries
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as they become available.</para>
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<para><filename>systemd-journal-upload.service</filename> is a system service that uses
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<command>systemd-journal-upload</command> to upload journal entries to a server. It uses the
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configuration in
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<citerefentry><refentrytitle>journal-upload.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>.
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At least the <varname>URL=</varname> option must be specified.</para>
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</refsect1>
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<refsect1>
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<title>Options</title>
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<variablelist>
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<varlistentry>
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<term><option>-u</option></term>
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<term><option>--url=<optional>https://</optional><replaceable>URL</replaceable>[:<replaceable>PORT</replaceable>]</option></term>
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<term><option>--url=<optional>http://</optional><replaceable>URL</replaceable>[:<replaceable>PORT</replaceable>]</option></term>
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<listitem><para>Upload to the specified
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address. <replaceable>URL</replaceable> may specify either
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just the hostname or both the protocol and
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hostname. <constant>https</constant> is the default.
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The port number may be specified after a colon (<literal>:</literal>),
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otherwise <constant>19532</constant> will be used by default.
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</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--system</option></term>
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<term><option>--user</option></term>
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<listitem><para>Limit uploaded entries to entries from system
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services and the kernel, or to entries from services of
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current user. This has the same meaning as
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<option>--system</option> and <option>--user</option> options
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for
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<citerefentry><refentrytitle>journalctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>. If
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neither is specified, all accessible entries are uploaded.
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</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>-m</option></term>
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<term><option>--merge</option></term>
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<listitem><para>Upload entries interleaved from all available
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journals, including other machines. This has the same meaning
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as <option>--merge</option> option for
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<citerefentry><refentrytitle>journalctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>-D</option></term>
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<term><option>--directory=<replaceable>DIR</replaceable></option></term>
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<listitem><para>Takes a directory path as argument. Upload
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entries from the specified journal directory
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<replaceable>DIR</replaceable> instead of the default runtime
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and system journal paths. This has the same meaning as
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<option>--directory=</option> option for
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<citerefentry><refentrytitle>journalctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>.
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</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--file=<replaceable>GLOB</replaceable></option></term>
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<listitem><para>Takes a file glob as an argument. Upload
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entries from the specified journal files matching
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<replaceable>GLOB</replaceable> instead of the default runtime
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and system journal paths. May be specified multiple times, in
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which case files will be suitably interleaved. This has the same meaning as
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<option>--file=</option> option for
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<citerefentry><refentrytitle>journalctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>.
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</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--cursor=</option></term>
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<listitem><para>Upload entries from the location in the
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journal specified by the passed cursor. This has the same
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meaning as <option>--cursor=</option> option for
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<citerefentry><refentrytitle>journalctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--after-cursor=</option></term>
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<listitem><para>Upload entries from the location in the
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journal <emphasis>after</emphasis> the location specified by
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the this cursor. This has the same meaning as
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<option>--after-cursor=</option> option for
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<citerefentry><refentrytitle>journalctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>.
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</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--save-state</option><optional>=<replaceable>PATH</replaceable></optional></term>
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<listitem><para>Upload entries from the location in the
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journal <emphasis>after</emphasis> the location specified by
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the cursor saved in file at <replaceable>PATH</replaceable>
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(<filename>/var/lib/systemd/journal-upload/state</filename> by default).
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After an entry is successfully uploaded, update this file
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with the cursor of that entry.
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</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--follow</option><optional>=<replaceable>BOOL</replaceable></optional></term>
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<listitem><para>
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If set to yes, then <command>systemd-journal-upload</command> waits for input.
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</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--key=</option></term>
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<listitem><para>
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Takes a path to a SSL key file in PEM format.
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Defaults to <filename>&CERTIFICATE_ROOT;/private/journal-upload.pem</filename>.
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</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--cert=</option></term>
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<listitem><para>
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Takes a path to a SSL certificate file in PEM format.
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Defaults to <filename>&CERTIFICATE_ROOT;/certs/journal-upload.pem</filename>.
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</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--trust=</option></term>
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<listitem><para>
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Takes a path to a SSL CA certificate file in PEM format,
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or <option>all</option>. If <option>all</option> is set,
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then certificate checking will be disabled.
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Defaults to <filename>&CERTIFICATE_ROOT;/ca/trusted.pem</filename>.
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</para></listitem>
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</varlistentry>
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<xi:include href="standard-options.xml" xpointer="help" />
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<xi:include href="standard-options.xml" xpointer="version" />
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</variablelist>
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</refsect1>
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<refsect1>
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<title>Exit status</title>
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<para>On success, 0 is returned; otherwise, a non-zero
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failure code is returned.</para>
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</refsect1>
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<refsect1>
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<title>Examples</title>
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<example>
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<title>Setting up certificates for authentication</title>
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<para>Certificates signed by a trusted authority are used to
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verify that the server to which messages are uploaded is
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legitimate, and vice versa, that the client is trusted.</para>
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<para>A suitable set of certificates can be generated with
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<command>openssl</command>. Note, 2048 bits of key length
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is minimally recommended to use for security reasons:</para>
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<programlisting>openssl req -newkey rsa:2048 -days 3650 -x509 -nodes \
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-out ca.pem -keyout ca.key -subj '/CN=Certificate authority/'
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cat >ca.conf <<EOF
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[ ca ]
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default_ca = this
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[ this ]
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new_certs_dir = .
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certificate = ca.pem
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database = ./index
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private_key = ca.key
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serial = ./serial
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default_days = 3650
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default_md = default
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policy = policy_anything
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[ policy_anything ]
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countryName = optional
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stateOrProvinceName = optional
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localityName = optional
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organizationName = optional
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organizationalUnitName = optional
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commonName = supplied
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emailAddress = optional
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EOF
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touch index
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echo 0001 >serial
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SERVER=server
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CLIENT=client
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openssl req -newkey rsa:2048 -nodes -out $SERVER.csr -keyout $SERVER.key -subj "/CN=$SERVER/"
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openssl ca -batch -config ca.conf -notext -in $SERVER.csr -out $SERVER.pem
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openssl req -newkey rsa:2048 -nodes -out $CLIENT.csr -keyout $CLIENT.key -subj "/CN=$CLIENT/"
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openssl ca -batch -config ca.conf -notext -in $CLIENT.csr -out $CLIENT.pem
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</programlisting>
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<para>Generated files <filename>ca.pem</filename>,
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<filename>server.pem</filename>, and
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<filename>server.key</filename> should be installed on server,
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and <filename>ca.pem</filename>,
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<filename>client.pem</filename>, and
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<filename>client.key</filename> on the client. The location of
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those files can be specified using
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<varname>TrustedCertificateFile=</varname>,
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<varname>ServerCertificateFile=</varname>,
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<varname>ServerKeyFile=</varname>, in
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<filename>/etc/systemd/journal-remote.conf</filename> and
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<filename>/etc/systemd/journal-upload.conf</filename>,
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respectively. The default locations can be queried by using
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<command>systemd-journal-remote --help</command> and
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<command>systemd-journal-upload --help</command>.</para>
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</example>
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</refsect1>
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<refsect1>
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<title>See Also</title>
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<para>
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<citerefentry><refentrytitle>journal-upload.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd-journal-remote.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>journalctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd-journald.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd-journal-gatewayd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>
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</para>
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</refsect1>
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</refentry>
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