(<command>systemd-journal-remote</command> requests and pulls
the data), or "passive"
(<command>systemd-journal-remote</command> waits for a
- connection and than receives events pushed by the other side).
+ connection and then receives events pushed by the other side).
</para>
<para>
<command>systemd-journal-remote</command> can read more than one
event stream at a time. They will be interleaved in the output
file. In case of "active" connections, each "source" is one
- stream, and in case of "passive" connections each connection can
+ stream, and in case of "passive" connections, each connection can
result in a separate stream. Sockets can be configured in
"accept" mode (i.e. only one connection), or "listen" mode (i.e.
multiple connections, each resulting in a stream).
<term><option>--listen-raw=<replaceable>ADDRESS</replaceable></option></term>
<listitem><para><replaceable>ADDRESS</replaceable> must be an
- address suitable for <option>ListenStream=</option> (c.f.
+ address suitable for <option>ListenStream=</option> (cf.
<citerefentry><refentrytitle>systemd.socket</refentrytitle><manvolnum>5</manvolnum></citerefentry>).
<command>systemd-journal-remote</command> will listen on this
socket for connections. Each connection is expected to be a
<term><option>--listen-http=<replaceable>ADDRESS</replaceable></option></term>
<term><option>--listen-https=<replaceable>ADDRESS</replaceable></option></term>
- <listitem><para><replaceable>ADDRESS</replaceable> must be an
+ <listitem><para><replaceable>ADDRESS</replaceable> must be
+ either a negative integer, in which case it will be
+ interpreted as the (negated) file descriptor number, or an
address suitable for <option>ListenStream=</option> (c.f.
<citerefentry><refentrytitle>systemd.socket</refentrytitle><manvolnum>5</manvolnum></citerefentry>).
- HTTP or HTTPS server will be spawned on this port,
- respectively, for the first and second options. Currenntly
- Only POST requests to <filename>/upload</filename> with
- <literal>Content-Type: application/vnd.fdo.journal</literal>
- are supported.</para>
+ In the first case, matching file descriptor must be inherited
+ through
+ <varname>$LISTEN_FDS</varname>/<varname>$LISTEN_PID</varname>.
+ In the second case, an HTTP or HTTPS server will be spawned on
+ this port, respectively for <option>--listen-http</option> and
+ <option>--listen-https</option>. Currenntly, only POST requests
+ to <filename>/upload</filename> with <literal>Content-Type:
+ application/vnd.fdo.journal</literal> are supported.</para>
</listitem>
</varlistentry>
<listitem><para><command>systemd-journal-remote</command>
supports the
<varname>$LISTEN_FDS</varname>/<varname>$LISTEN_PID</varname>
- protocol. Open sockets inherited through socket
- activation behave like those opened with
- <option>--listen-raw=</option> described above.
- </para>
+ protocol. Open sockets inherited through socket activation
+ behave like those opened with <option>--listen-raw=</option>
+ described above, unless they are specified as an argument in
+ <option>--listen-http=-<replaceable>n</replaceable></option>
+ or
+ <option>--listen-https=-<replaceable>n</replaceable></option>
+ above. In the latter case, an HTTP or HTTPS server will be
+ spawned using this descriptor and connections must be made
+ over the HTTP protocol.</para>
</listitem>
</varlistentry>
<listitem><para>Will write to this journal. The filename must
end with <filename>.journal</filename>. The file will be
- created if it does not exist. When necessary (journal file
- full, or corrupted) the file will be renamed following normal
- journald rules and a new journal file will be created in it's
- stead. </para></listitem>
+ created if it does not exist. If necessary (journal file
+ full, or corrupted), the file will be renamed following normal
+ journald rules and a new journal file will be created in its
+ stead.</para></listitem>
</varlistentry>
<varlistentry>
<term><option>--output=<replaceable>DIR</replaceable></option></term>
<listitem><para>Will create journal files underneath directory
- <replaceable>DIR</replaceable>. The directory must exist. When
- necessary (journal files over size, or corrupted) journal
+ <replaceable>DIR</replaceable>. The directory must exist. If
+ necessary (journal files over size, or corrupted), journal
files will be rotated following normal journald rules. Names
of files underneath <replaceable>DIR</replaceable> will be
generated using the rules described below.</para></listitem>
</varlistentry>
</variablelist>
- <para>If <option>--output=</option> is not used, output directory
+ <para>If <option>--output=</option> is not used, the output directory
<filename>/var/log/journal/<replaceable>machine-id</replaceable>/</filename>
will be used, where <replaceable>machine-id</replaceable> is the
identifier of the current system (see
based on what passive and active sources are specified. It is
recommended to give a full output filename.</para>
- <para>In case of "active" sources, if the hostname is known it
+ <para>In case of "active" sources, if the hostname is known, it
will be used in the <replaceable>variable</replaceable> part.
Otherwise, local address and port number will be used, or
<literal>stdin</literal> for events passed over standard
<varlistentry>
<term><option>--getter=<replaceable>PROG --option1 --option2</replaceable></option></term>
- <listitem><para>Program to invoke to retrieve data. Journal
+ <listitem><para>Program to invoke to retrieve data. The journal
event stream must be generated on standard output.</para>
<para>Examples:</para>