- system service that collects and stores logging
- data. It creates and maintains structured, indexed
- journals based on logging information that is received
- from the kernel, from user processes via the libc
- <citerefentry><refentrytitle>syslog</refentrytitle><manvolnum>3</manvolnum></citerefentry>
- call, from STDOUT/STDERR of system services or via its
- native API. It will implicitly collect numerous meta
- data fields for each log messages in a secure and
+ system service that collects and stores logging data.
+ It creates and maintains structured, indexed journals
+ based on logging information that is received from a
+ variety of sources:</para>
+
+ <itemizedlist>
+ <listitem><para>Kernel log messages, via kmsg</para></listitem>
+
+ <listitem><para>Simple system log messages, via the
+ libc <citerefentry
+ project='man-pages'><refentrytitle>syslog</refentrytitle><manvolnum>3</manvolnum></citerefentry>
+ call</para></listitem>
+
+ <listitem><para>Structured system log messages via the
+ native Journal API, see
+ <citerefentry><refentrytitle>sd_journal_print</refentrytitle><manvolnum>4</manvolnum></citerefentry></para></listitem>
+
+ <listitem><para>Standard output and
+ standard error of system
+ services</para></listitem>
+
+ <listitem><para>Audit records, via the audit subsystem</para></listitem>
+ </itemizedlist>
+
+ <para>The daemon will implicitly collect numerous
+ metadata fields for each log messages in a secure and