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'
/>