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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 19:43:11 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 19:43:11 +0000
commitfc22b3d6507c6745911b9dfcc68f1e665ae13dbc (patch)
treece1e3bce06471410239a6f41282e328770aa404a /upstream/fedora-40/man8/systemd-journal-remote.service.8
parentInitial commit. (diff)
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Adding upstream version 4.22.0.upstream/4.22.0
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+'\" t
+.TH "SYSTEMD\-JOURNAL\-REMOTE\&.SERVICE" "8" "" "systemd 255" "systemd-journal-remote.service"
+.\" -----------------------------------------------------------------
+.\" * Define some portability stuff
+.\" -----------------------------------------------------------------
+.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+.\" http://bugs.debian.org/507673
+.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
+.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+.ie \n(.g .ds Aq \(aq
+.el .ds Aq '
+.\" -----------------------------------------------------------------
+.\" * set default formatting
+.\" -----------------------------------------------------------------
+.\" disable hyphenation
+.nh
+.\" disable justification (adjust text to left margin only)
+.ad l
+.\" -----------------------------------------------------------------
+.\" * MAIN CONTENT STARTS HERE *
+.\" -----------------------------------------------------------------
+.SH "NAME"
+systemd-journal-remote.service, systemd-journal-remote.socket, systemd-journal-remote \- Receive journal messages over the network
+.SH "SYNOPSIS"
+.PP
+systemd\-journal\-remote\&.service
+.PP
+systemd\-journal\-remote\&.socket
+.HP \w'\fB/usr/lib/systemd/systemd\-journal\-remote\fR\ 'u
+\fB/usr/lib/systemd/systemd\-journal\-remote\fR [OPTIONS...] [\-o/\-\-output=\fIDIR\fR|\fIFILE\fR] [SOURCES...]
+.SH "DESCRIPTION"
+.PP
+\fBsystemd\-journal\-remote\fR
+is a command to receive serialized journal events and store them to journal files\&. Input streams are in the
+\m[blue]\fBJournal Export Format\fR\m[]\&\s-2\u[1]\d\s+2, i\&.e\&. like the output from
+\fBjournalctl \-\-output=export\fR\&. For transport over the network, this serialized stream is usually carried over an HTTPS connection\&.
+.PP
+systemd\-journal\-remote\&.service
+is a system service that uses
+\fBsystemd\-journal\-remote\fR
+to listen for connections\&.
+systemd\-journal\-remote\&.socket
+configures the network address that
+systemd\-journal\-remote\&.service
+listens on\&. By default this is port 19532\&. What connections are accepted and how the received data is stored can be configured through the
+\fBjournal-remote.conf\fR(5)
+configuration file\&.
+.SH "SOURCES"
+.PP
+Sources can be either "active" (\fBsystemd\-journal\-remote\fR
+requests and pulls the data), or "passive" (\fBsystemd\-journal\-remote\fR
+waits for a connection and then receives events pushed by the other side)\&.
+.PP
+\fBsystemd\-journal\-remote\fR
+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 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)\&.
+.PP
+When there are no more connections, and no more can be created (there are no listening sockets), then
+\fBsystemd\-journal\-remote\fR
+will exit\&.
+.PP
+Active sources can be specified in the following ways:
+.PP
+[SOURCES...]
+.RS 4
+When
+\fB\-\fR
+is given as a positional argument, events will be read from standard input\&. Other positional arguments will be treated as filenames to open and read from\&.
+.sp
+Added in version 239\&.
+.RE
+.PP
+\fB\-\-url=\fR\fB\fIADDRESS\fR\fR
+.RS 4
+With the
+\fB\-\-url=\fR\fB\fIADDRESS\fR\fR
+option, events will be retrieved using HTTP from
+\fIADDRESS\fR\&. This URL should refer to the root of a remote
+\fBsystemd-journal-gatewayd\fR(8)
+instance, e\&.g\&. http://some\&.host:19531/ or https://some\&.host:19531/\&.
+.sp
+Added in version 239\&.
+.RE
+.PP
+\fB\-\-getter=\*(Aq\fR\fB\fIPROG\fR\fR\fB \fR\fB[OPTIONS...]\fR\fB\*(Aq\fR
+.RS 4
+Program to invoke to retrieve data\&. The journal event stream must be generated on standard output\&.
+.sp
+Examples:
+.sp
+.if n \{\
+.RS 4
+.\}
+.nf
+\-\-getter=\*(Aqcurl "\-HAccept: application/vnd\&.fdo\&.journal" https://some\&.host:19531/\*(Aq
+.fi
+.if n \{\
+.RE
+.\}
+.sp
+.if n \{\
+.RS 4
+.\}
+.nf
+\-\-getter=\*(Aqwget \-\-header="Accept: application/vnd\&.fdo\&.journal" \-O\- https://some\&.host:19531/\*(Aq
+.fi
+.if n \{\
+.RE
+.\}
+.sp
+Added in version 239\&.
+.RE
+.PP
+Passive sources can be specified in the following ways:
+.PP
+\fB\-\-listen\-raw=\fR\fB\fIADDRESS\fR\fR
+.RS 4
+\fIADDRESS\fR
+must be an address suitable for
+\fBListenStream=\fR
+(cf\&.
+\fBsystemd.socket\fR(5))\&.
+\fBsystemd\-journal\-remote\fR
+will listen on this socket for connections\&. Each connection is expected to be a stream of journal events\&.
+.sp
+Added in version 239\&.
+.RE
+.PP
+\fB\-\-listen\-http=\fR\fB\fIADDRESS\fR\fR, \fB\-\-listen\-https=\fR\fB\fIADDRESS\fR\fR
+.RS 4
+\fIADDRESS\fR
+must be either a negative integer, in which case it will be interpreted as the (negated) file descriptor number, or an address suitable for
+\fBListenStream=\fR
+(c\&.f\&.
+\fBsystemd.socket\fR(5))\&. In the first case, the server listens on port 19532 by default, and the matching file descriptor must be inherited through
+\fI$LISTEN_FDS\fR/\fI$LISTEN_PID\fR\&. In the second case, an HTTP or HTTPS server will be spawned on this port, respectively for
+\fB\-\-listen\-http=\fR
+and
+\fB\-\-listen\-https=\fR\&. Currently, only POST requests to
+/upload
+with
+"Content\-Type: application/vnd\&.fdo\&.journal"
+are supported\&.
+.sp
+Added in version 239\&.
+.RE
+.PP
+\fI$LISTEN_FDS\fR
+.RS 4
+\fBsystemd\-journal\-remote\fR
+supports the
+\fI$LISTEN_FDS\fR/\fI$LISTEN_PID\fR
+protocol\&. Open sockets inherited through socket activation behave like those opened with
+\fB\-\-listen\-raw=\fR
+described above, unless they are specified as an argument in
+\fB\-\-listen\-http=\-\fR\fB\fIn\fR\fR
+or
+\fB\-\-listen\-https=\-\fR\fB\fIn\fR\fR
+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\&.
+.sp
+Added in version 239\&.
+.RE
+.PP
+\fB\-\-key=\fR
+.RS 4
+Takes a path to a SSL secret key file in PEM format\&. Defaults to
+/etc/ssl/private/journal\-remote\&.pem\&. This option can be used with
+\fB\-\-listen\-https=\fR\&. If the path refers to an
+\fBAF_UNIX\fR
+stream socket in the file system a connection is made to it and the key read from it\&.
+.sp
+Added in version 239\&.
+.RE
+.PP
+\fB\-\-cert=\fR
+.RS 4
+Takes a path to a SSL certificate file in PEM format\&. Defaults to
+/etc/ssl/certs/journal\-remote\&.pem\&. This option can be used with
+\fB\-\-listen\-https=\fR\&. If the path refers to an
+\fBAF_UNIX\fR
+stream socket in the file system a connection is made to it and the certificate read from it\&.
+.sp
+Added in version 239\&.
+.RE
+.PP
+\fB\-\-trust=\fR
+.RS 4
+Takes a path to a SSL CA certificate file in PEM format, or
+\fBall\fR\&. If
+\fBall\fR
+is set, then certificate checking will be disabled\&. Defaults to
+/etc/ssl/ca/trusted\&.pem\&. This option can be used with
+\fB\-\-listen\-https=\fR\&. If the path refers to an
+\fBAF_UNIX\fR
+stream socket in the file system a connection is made to it and the certificate read from it\&.
+.sp
+Added in version 239\&.
+.RE
+.PP
+\fB\-\-gnutls\-log=\fR
+.RS 4
+Takes a comma separated list of gnutls logging categories\&. This option can be used with
+\fB\-\-listen\-http=\fR
+or
+\fB\-\-listen\-https=\fR\&.
+.sp
+Added in version 239\&.
+.RE
+.SH "SINKS"
+.PP
+The location of the output journal can be specified with
+\fB\-o\fR
+or
+\fB\-\-output=\fR\&.
+.PP
+\fB\-o \fR\fB\fIFILE\fR\fR, \fB\-\-output=\fR\fB\fIFILE\fR\fR
+.RS 4
+Will write to this journal file\&. The filename must end with
+\&.journal\&. The file will be 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\&.
+.sp
+Added in version 239\&.
+.RE
+.PP
+\fB\-o \fR\fB\fIDIR\fR\fR, \fB\-\-output=\fR\fB\fIDIR\fR\fR
+.RS 4
+Will create journal files underneath directory
+\fIDIR\fR\&. 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
+\fIDIR\fR
+will be generated using the rules described below\&.
+.sp
+Added in version 239\&.
+.RE
+.PP
+If
+\fB\-\-output=\fR
+is not used, the output directory
+/var/log/journal/remote/
+will be used\&. In case the output file is not specified, journal files will be created underneath the selected directory\&. Files will be called
+remote\-\fIhostname\fR\&.journal, where the
+\fIhostname\fR
+part is the escaped hostname of the source endpoint of the connection, or the numerical address if the hostname cannot be determined\&.
+.PP
+In the case that "active" sources are given by the positional arguments or
+\fB\-\-getter=\fR
+option, the output file name must always be given explicitly\&.
+.SH "OPTIONS"
+.PP
+The following options are understood:
+.PP
+\fB\-\-split\-mode\fR
+.RS 4
+One of
+\fBnone\fR
+or
+\fBhost\fR\&. For the first, only one output journal file is used\&. For the latter, a separate output file is used, based on the hostname of the other endpoint of a connection\&.
+.sp
+In the case that "active" sources are given by the positional arguments or
+\fB\-\-getter=\fR
+option, the output file name must always be given explicitly and only
+\fBnone\fR
+is allowed\&.
+.sp
+Added in version 239\&.
+.RE
+.PP
+\fB\-\-compress\fR [\fIBOOL\fR]
+.RS 4
+If this is set to
+"yes"
+then compress the data in the journal using XZ\&. The default is
+"yes"\&.
+.sp
+Added in version 239\&.
+.RE
+.PP
+\fB\-\-seal\fR [\fIBOOL\fR]
+.RS 4
+If this is set to
+"yes"
+then periodically sign the data in the journal using Forward Secure Sealing\&. The default is
+"no"\&.
+.sp
+Added in version 239\&.
+.RE
+.PP
+\fB\-h\fR, \fB\-\-help\fR
+.RS 4
+Print a short help text and exit\&.
+.RE
+.PP
+\fB\-\-version\fR
+.RS 4
+Print a short version string and exit\&.
+.RE
+.SH "EXAMPLES"
+.PP
+Copy local journal events to a different journal directory:
+.sp
+.if n \{\
+.RS 4
+.\}
+.nf
+journalctl \-o export | systemd\-journal\-remote \-o /tmp/dir/foo\&.journal \-
+
+.fi
+.if n \{\
+.RE
+.\}
+.PP
+Retrieve all available events from a remote
+\fBsystemd-journal-gatewayd\fR(8)
+instance and store them in
+/var/log/journal/remote/remote\-some\&.host\&.journal:
+.sp
+.if n \{\
+.RS 4
+.\}
+.nf
+systemd\-journal\-remote \-\-url http://some\&.host:19531/
+
+.fi
+.if n \{\
+.RE
+.\}
+.PP
+Retrieve current boot events and wait for new events from a remote
+\fBsystemd-journal-gatewayd\fR(8)
+instance, and store them in
+/var/log/journal/remote/remote\-some\&.host\&.journal:
+.sp
+.if n \{\
+.RS 4
+.\}
+.nf
+systemd\-journal\-remote \-\-url http://some\&.host:19531/entries?boot&follow
+
+.fi
+.if n \{\
+.RE
+.\}
+.sp
+.SH "SEE ALSO"
+.PP
+\fBjournal-remote.conf\fR(5),
+\fBjournalctl\fR(1),
+\fBsystemd-journal-gatewayd.service\fR(8),
+\fBsystemd-journal-upload.service\fR(8),
+\fBsystemd-journald.service\fR(8)
+.SH "NOTES"
+.IP " 1." 4
+Journal Export Format
+.RS 4
+\%https://systemd.io/JOURNAL_EXPORT_FORMATS#journal-export-format
+.RE