1 <!-- SPDX-License-Identifier: LGPL-2.1-or-later -->
3 <refentry id="systemd.directives">
5 <title>systemd.directives</title>
6 <productname>systemd</productname>
10 <refentrytitle>systemd.directives</refentrytitle>
11 <manvolnum>7</manvolnum>
15 <refname>systemd.directives</refname>
16 <refpurpose>Index of configuration directives</refpurpose>
20 <title>Unit directives</title>
22 <para>Directives for configuring units, used in unit files.</para>
24 <variablelist id='unit-directives' />
28 <title>Options on the kernel command line</title>
30 <para>Kernel boot options for configuring the behaviour of the systemd process.</para>
32 <variablelist id='kernel-commandline-options' />
36 <title>SMBIOS Type 11 Variables</title>
38 <para>Data passed from VMM to system via SMBIOS Type 11.</para>
40 <variablelist id='smbios-type-11-options' />
44 <title>Environment variables</title>
46 <para>Environment variables understood by the systemd manager and other programs and environment
47 variable-compatible settings.</para>
49 <variablelist id='environment-variables' />
53 <title>System Credentials</title>
55 <para>System credentials understood by the system and service manager and various other
58 <variablelist id='system-credentials' />
62 <title>EFI variables</title>
64 <para>EFI variables understood by
65 <citerefentry><refentrytitle>systemd-boot</refentrytitle><manvolnum>7</manvolnum></citerefentry>
66 and other programs.</para>
68 <variablelist id='efi-variables' />
72 <title>Home Area/User Account directives</title>
74 <para>Directives for configuring home areas and user accounts via
75 <citerefentry><refentrytitle>systemd-homed.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>.</para>
77 <variablelist id='home-directives' />
81 <title>UDEV directives</title>
83 <para>Directives for configuring systemd units through the udev database.</para>
85 <variablelist id='udev-directives' />
89 <title>Network directives</title>
91 <para>Directives for configuring network links through the net-setup-link udev builtin and networks
92 through systemd-networkd.</para>
94 <variablelist id='network-directives' />
98 <title>Journal fields</title>
100 <para>Fields in the journal events with a well known meaning.</para>
102 <variablelist id='journal-directives' />
106 <title>PAM configuration directives</title>
108 <para>Directives for configuring PAM behaviour.</para>
110 <variablelist id='pam-directives' />
114 <title><filename>/etc/crypttab</filename>,
115 <filename>/etc/veritytab</filename> and
116 <filename>/etc/fstab</filename> options</title>
118 <para>Options which influence mounted filesystems and encrypted volumes.</para>
120 <variablelist id='fstab-options' />
124 <title><citerefentry><refentrytitle>systemd.nspawn</refentrytitle><manvolnum>5</manvolnum></citerefentry>
127 <para>Directives for configuring systemd-nspawn containers.</para>
129 <variablelist id='nspawn-directives' />
133 <title>Program configuration options</title>
135 <para>Directives for configuring the behaviour of the systemd process and other tools through
136 configuration files.</para>
138 <variablelist id='config-directives' />
142 <title>Command line options</title>
144 <para>Command-line options accepted by programs in the systemd suite.</para>
146 <variablelist id='options' />
150 <title>Constants</title>
152 <para>Various constants used and/or defined by systemd.</para>
154 <variablelist id='constants' />
158 <title>DNS resource record types</title>
160 <variablelist id='dns' />
164 <title>Miscellaneous options and directives</title>
166 <para>Other configuration elements which don't fit in any of the above groups.</para>
168 <variablelist id='miscellaneous' />
172 <title>Specifiers</title>
174 <para>Short strings which are substituted in configuration directives.</para>
176 <variablelist id='specifiers' />
180 <title>Files and directories</title>
182 <para>Paths and file names referred to in the documentation.</para>
184 <variablelist id='filenames' />
188 <title>D-Bus interfaces</title>
190 <para>Interfaces exposed over D-Bus.</para>
192 <variablelist id='dbus-interface' />
196 <title>D-Bus methods</title>
198 <para>Methods exposed in the D-Bus interface.</para>
200 <variablelist id='dbus-method' />
204 <title>D-Bus properties</title>
206 <para>Properties exposed in the D-Bus interface.</para>
208 <variablelist id='dbus-property' />
212 <title>D-Bus signals</title>
214 <para>Signals emitted in the D-Bus interface.</para>
216 <variablelist id='dbus-signal' />
220 <title>Colophon</title>
221 <para id='colophon' />