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>Environment variables
</title>
38 <para>Environment variables understood by the systemd manager and other programs and environment
39 variable-compatible settings.
</para>
41 <variablelist id='environment-variables'
/>
45 <title>EFI variables
</title>
47 <para>EFI variables understood by
48 <citerefentry><refentrytitle>systemd-boot
</refentrytitle><manvolnum>7</manvolnum></citerefentry>
49 and other programs.
</para>
51 <variablelist id='efi-variables'
/>
55 <title>Home Area/User Account directives
</title>
57 <para>Directives for configuring home areas and user accounts via
58 <citerefentry><refentrytitle>systemd-homed.service
</refentrytitle><manvolnum>8</manvolnum></citerefentry>.
</para>
60 <variablelist id='home-directives'
/>
64 <title>UDEV directives
</title>
66 <para>Directives for configuring systemd units through the udev database.
</para>
68 <variablelist id='udev-directives'
/>
72 <title>Network directives
</title>
74 <para>Directives for configuring network links through the net-setup-link udev builtin and networks
75 through systemd-networkd.
</para>
77 <variablelist id='network-directives'
/>
81 <title>Journal fields
</title>
83 <para>Fields in the journal events with a well known meaning.
</para>
85 <variablelist id='journal-directives'
/>
89 <title>PAM configuration directives
</title>
91 <para>Directives for configuring PAM behaviour.
</para>
93 <variablelist id='pam-directives'
/>
97 <title><filename>/etc/crypttab
</filename>,
98 <filename>/etc/veritytab
</filename> and
99 <filename>/etc/fstab
</filename> options
</title>
101 <para>Options which influence mounted filesystems and encrypted volumes.
</para>
103 <variablelist id='fstab-options'
/>
107 <title><citerefentry><refentrytitle>systemd.nspawn
</refentrytitle><manvolnum>5</manvolnum></citerefentry>
110 <para>Directives for configuring systemd-nspawn containers.
</para>
112 <variablelist id='nspawn-directives'
/>
116 <title>Program configuration options
</title>
118 <para>Directives for configuring the behaviour of the systemd process and other tools through
119 configuration files.
</para>
121 <variablelist id='config-directives'
/>
125 <title>Command line options
</title>
127 <para>Command-line options accepted by programs in the systemd suite.
</para>
129 <variablelist id='options'
/>
133 <title>Constants
</title>
135 <para>Various constant used and/or defined by systemd.
</para>
137 <variablelist id='constants'
/>
141 <title>Miscellaneous options and directives
</title>
143 <para>Other configuration elements which don't fit in any of the above groups.
</para>
145 <variablelist id='miscellaneous'
/>
149 <title>Specifiers
</title>
151 <para>Short strings which are substituted in configuration directives.
</para>
153 <variablelist id='specifiers'
/>
157 <title>Files and directories
</title>
159 <para>Paths and file names referred to in the documentation.
</para>
161 <variablelist id='filenames'
/>
165 <title>D-Bus interfaces
</title>
167 <para>Interfaces exposed over D-Bus.
</para>
169 <variablelist id='dbus-interface'
/>
173 <title>D-Bus methods
</title>
175 <para>Methods exposed in the D-Bus interface.
</para>
177 <variablelist id='dbus-method'
/>
181 <title>D-Bus properties
</title>
183 <para>Properties exposed in the D-Bus interface.
</para>
185 <variablelist id='dbus-property'
/>
189 <title>D-Bus signals
</title>
191 <para>Signals emitted in the D-Bus interface.
</para>
193 <variablelist id='dbus-signal'
/>
197 <title>Colophon
</title>
198 <para id='colophon'
/>