chiark / gitweb /
man: explain that the journal field SYSLOG_IDENTIFIER is usually derived from program...
[elogind.git] / man / systemd.journal-fields.xml
index bb89ed58d333fb5014274f14396510bcf50fdd0c..6eeb6e395d5b86b706daf662c2ed075b3f3bda42 100644 (file)
                                         (formatted as decimal string),
                                         the identifier string
                                         (i.e. "tag"), and the client
-                                        PID.</para>
+                                        PID. (Note that the tag is
+                                        usually derived from glibc's
+                                        <varname>program_invocation_short_name</varname>
+                                        variable, see <citerefentry><refentrytitle>program_invocation_short_name</refentrytitle><manvolnum>3</manvolnum></citerefentry>.)</para>
                                 </listitem>
 
                         </varlistentry>
                                 <term><varname>_SELINUX_CONTEXT=</varname></term>
                                 <listitem>
                                         <para>The SELinux security
-                                        context of the process the
-                                        journal entry originates
+                                        context (label) of the process
+                                        the journal entry originates
                                         from.</para>
                                 </listitem>
                         </varlistentry>
                 JSON Format</ulink>, the addresses of journal entries
                 are serialized into fields prefixed with double
                 underscores. Note that these are not proper fields when
-                stored in the journal but for addressing meta data of
+                stored in the journal but for addressing metadata of
                 entries. They cannot be written as part of structured
                 log entries via calls such as
                 <citerefentry><refentrytitle>sd_journal_send</refentrytitle><manvolnum>3</manvolnum></citerefentry>. They