Adding upstream version 2.39.3.upstream/2.39.3

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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+//po4a: entry man manual
+////
+Copyright (c) 1983, 1990, 1993
+	The Regents of the University of California.  All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+1. Redistributions of source code must retain the above copyright
+   notice, this list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright
+   notice, this list of conditions and the following disclaimer in the
+   documentation and/or other materials provided with the distribution.
+3. All advertising materials mentioning features or use of this software
+   must display the following acknowledgement:
+	This product includes software developed by the University of
+	California, Berkeley and its contributors.
+4. Neither the name of the University nor the names of its contributors
+   may be used to endorse or promote products derived from this software
+   without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGE.
+
+	@(#)logger.1	8.1 (Berkeley) 6/6/93
+////
+= logger(1)
+:doctype: manpage
+:man manual: User Commands
+:man source: util-linux {release-version}
+:page-layout: base
+:command: logger
+
+== NAME
+
+logger - enter messages into the system log
+
+== SYNOPSIS
+
+*logger* [options] _message_
+
+== DESCRIPTION
+
+*logger* makes entries in the system log.
+
+When the optional _message_ argument is present, it is written to the log. If it is not present, and the *-f* option is not given either, then standard input is logged.
+
+== OPTIONS
+
+*-d*, *--udp*::
+Use datagrams (UDP) only. By default the connection is tried to the syslog port defined in _/etc/services_, which is often 514.
++
+See also *--server* and *--socket* to specify where to connect.
+
+*-e*, *--skip-empty*::
+Ignore empty lines when processing files. An empty line is defined to be a line without any characters. Thus a line consisting only of whitespace is NOT considered empty. Note that when the *--prio-prefix* option is specified, the priority is not part of the line. Thus an empty line in this mode is a line that does not have any characters after the priority prefix (e.g., *<13>*).
+
+*-f*, *--file* _file_::
+Log the contents of the specified _file_. This option cannot be combined with a command-line message.
+
+*-i*::
+Log the PID of the *logger* process with each line.
+
+*--id*[**=**__id__]::
+Log the PID of the *logger* process with each line. When the optional argument _id_ is specified, then it is used instead of the *logger* command's PID. The use of *--id=$$* (PPID) is recommended in scripts that send several messages.
++
+Note that the system logging infrastructure (for example *systemd* when listening on _/dev/log_) may follow local socket credentials to overwrite the PID specified in the message. *logger*(1) is able to set those socket credentials to the given _id_, but only if you have root permissions and a process with the specified PID exists, otherwise the socket credentials are not modified and the problem is silently ignored.
+
+*--journald*[**=**__file__]::
+Write a *systemd* journal entry. The entry is read from the given _file_, when specified, otherwise from standard input. Each line must begin with a field that is accepted by *journald*; see *systemd.journal-fields*(7) for details. The use of a MESSAGE_ID field is generally a good idea, as it makes finding entries easy. Examples:
++
+____
+    logger --journald <<end
+    MESSAGE_ID=67feb6ffbaf24c5cbec13c008dd72309
+    MESSAGE=The dogs bark, but the caravan goes on.
+    DOGS=bark
+    CARAVAN=goes on
+    end
+
+    logger --journald=entry.txt
+____
++
+Notice that *--journald* will ignore values of other options, such as priority. If priority is needed it must be within input, and use PRIORITY field. The simple execution of *journalctl*(1) will display MESSAGE field. Use *journalctl --output json-pretty* to see rest of the fields.
++
+To include newlines in MESSAGE, specify MESSAGE several times. This is handled as a special case, other fields will be stored as an array in the journal if they appear multiple times.
+
+*--msgid* _msgid_::
+Sets the link:https://tools.ietf.org/html/rfc5424[RFC 5424] MSGID field. Note that the space character is not permitted inside of _msgid_. This option is only used if *--rfc5424* is specified as well; otherwise, it is silently ignored.
+
+*-n*, *--server* _server_::
+Write to the specified remote syslog _server_ instead of to the system log socket. Unless *--udp* or *--tcp* is specified, *logger* will first try to use UDP, but if this fails a TCP connection is attempted.
+
+*--no-act*::
+Causes everything to be done except for writing the log message to the system log, and removing the connection to the journal. This option can be used together with *--stderr* for testing purposes.
+
+*--octet-count*::
+Use the link:https://tools.ietf.org/html/rfc6587[RFC 6587] octet counting framing method for sending messages. When this option is not used, the default is no framing on UDP, and RFC6587 non-transparent framing (also known as octet stuffing) on TCP.
+
+*-P*, *--port* _port_::
+Use the specified _port_. When this option is not specified, the port defaults to *syslog* for udp and to *syslog-conn* for tcp connections.
+
+*-p*, *--priority* _priority_::
+Enter the message into the log with the specified _priority_. The priority may be specified numerically or as a _facility_._level_ pair. For example, *-p local3.info* logs the message as informational in the local3 facility. The default is *user.notice*.
+
+*--prio-prefix*::
+Look for a syslog prefix on every line read from standard input. This prefix is a decimal number within angle brackets that encodes both the facility and the level. The number is constructed by multiplying the facility by 8 and then adding the level. For example, *local0.info*, meaning facility=16 and level=6, becomes *<134>*.
++
+If the prefix contains no facility, the facility defaults to what is specified by the *-p* option. Similarly, if no prefix is provided, the line is logged using the _priority_ given with *-p*.
++
+This option doesn't affect a command-line message.
+
+*--rfc3164*::
+Use the link:https://tools.ietf.org/html/rfc3164[RFC 3164] BSD syslog protocol to submit messages to a remote server.
+
+*--rfc5424*[**=**__without__]::
+Use the link:https://tools.ietf.org/html/rfc5424[RFC 5424] syslog protocol to submit messages to a remote server. The optional _without_ argument can be a comma-separated list of the following values: *notq*, *notime*, *nohost*.
++
+The *notq* value suppresses the time-quality structured data from the submitted message. The time-quality information shows whether the local clock was synchronized plus the maximum number of microseconds the timestamp might be off. The time quality is also automatically suppressed when *--sd-id timeQuality* is specified.
++
+The *notime* value (which implies *notq*) suppresses the complete sender timestamp that is in ISO-8601 format, including microseconds and timezone.
++
+The *nohost* value suppresses *gethostname*(2) information from the message header.
++
+The RFC 5424 protocol has been the default for *logger* since version 2.26.
+
+*-s*, *--stderr*::
+Output the message to standard error as well as to the system log.
+
+*--sd-id* _name_[**@**__digits__]::
+Specifies a structured data element ID for an RFC 5424 message header. The option has to be used before *--sd-param* to introduce a new element. The number of structured data elements is unlimited. The ID (_name_ plus possibly **@**__digits__) is case-sensitive and uniquely identifies the type and purpose of the element. The same ID must not exist more than once in a message. The **@**__digits__ part is required for user-defined non-standardized IDs.
++
+*logger* currently generates the *timeQuality* standardized element only. RFC 5424 also describes the elements *origin* (with parameters *ip*, *enterpriseId*, *software* and *swVersion*) and *meta* (with parameters *sequenceId*, *sysUpTime* and *language*). These element IDs may be specified without the **@**__digits__ suffix.
+
+*--sd-param* _name_=_value_::
+Specifies a structured data element parameter, a name and value pair. The option has to be used after *--sd-id* and may be specified more than once for the same element. Note that the quotation marks around _value_ are required and must be escaped on the command line.
++
+....
+    logger --rfc5424 --sd-id zoo@123             \
+                     --sd-param tiger="hungry"   \
+                     --sd-param zebra="running"  \
+                     --sd-id manager@123         \
+                     --sd-param onMeeting="yes"  \
+                     "this is message"
+....
+produces:
++
+*<13>1 2015-10-01T14:07:59.168662+02:00 ws kzak - - [timeQuality tzKnown="1" isSynced="1" syncAccuracy="218616"][zoo@123 tiger="hungry" zebra="running"][manager@123 onMeeting="yes"] this is message*
+
+*-S*, *--size* _size_::
+Sets the maximum permitted message size to _size_. The default is 1KiB characters, which is the limit traditionally used and specified in RFC 3164. With RFC 5424, this limit has become flexible. A good assumption is that RFC 5424 receivers can at least process 4KiB messages.
++
+Most receivers accept messages larger than 1KiB over any type of syslog protocol. As such, the *--size* option affects *logger* in all cases (not only when *--rfc5424* was used).
++
+Note: the message-size limit limits the overall message size, including the syslog header. Header sizes vary depending on the selected options and the hostname length. As a rule of thumb, headers are usually not longer than 50 to 80 characters. When selecting a maximum message size, it is important to ensure that the receiver supports the max size as well, otherwise messages may become truncated. Again, as a rule of thumb two to four KiB message size should generally be OK, whereas anything larger should be verified to work.
+
+*--socket-errors*[**=**__mode__]::
+Print errors about Unix socket connections. The _mode_ can be a value of *off*, *on*, or *auto*. When the mode is *auto*, then *logger* will detect if the init process is *systemd*(1), and if so assumption is made _/dev/log_ can be used early at boot. Other init systems lack of _/dev/log_ will not cause errors that is identical with messaging using *openlog*(3) system call. The *logger*(1) before version 2.26 used *openlog*(3), and hence was unable to detected loss of messages sent to Unix sockets.
++
+The default mode is *auto*. When errors are not enabled lost messages are not communicated and will result to successful exit status of *logger*(1) invocation.
+
+*-T*, *--tcp*::
+Use stream (TCP) only. By default the connection is tried to the _syslog-conn_ port defined in _/etc/services_, which is often _601_.
++
+See also *--server* and *--socket* to specify where to connect.
+
+*-t*, *--tag* _tag_::
+Mark every line to be logged with the specified _tag_. The default tag is the name of the user logged in on the terminal (or a user name based on effective user ID).
+
+*-u*, *--socket* _socket_::
+Write to the specified _socket_ instead of to the system log socket.
+
+*--*::
+End the argument list. This allows the _message_ to start with a hyphen (-).
+
+include::man-common/help-version.adoc[]
+
+== EXIT STATUS
+
+The *logger* utility exits 0 on success, and >0 if an error occurs.
+
+== FACILITIES AND LEVELS
+
+Valid facility names are:
+
+*auth* +
+*authpriv* for security information of a sensitive nature +
+*cron* +
+
+*daemon* +
+*ftp* +
+*kern* cannot be generated from userspace process, automatically converted to *user* +
+
+*lpr* +
+*mail* +
+*news* +
+*syslog* +
+*user* +
+*uucp* +
+*local0* +
+    to +
+*local7* +
+*security* deprecated synonym for *auth*
+
+Valid level names are:
+
+*emerg* +
+*alert* +
+*crit* +
+*err* +
+*warning* +
+*notice* +
+*info* +
+*debug* +
+*panic* deprecated synonym for *emerg* +
+*error* deprecated synonym for *err* +
+*warn* deprecated synonym for *warning* +
+
+For the priority order and intended purposes of these facilities and levels, see *syslog*(3).
+
+== CONFORMING TO
+
+The *logger* command is expected to be IEEE Std 1003.2 ("POSIX.2") compatible.
+
+== EXAMPLES
+____
+logger System rebooted
+
+logger -p local0.notice -t HOSTIDM -f /dev/idmc
+
+logger -n loghost.example.com System rebooted
+____
+
+== AUTHORS
+
+The *logger* command was originally written by University of California in 1983-1993 and later rewritten by mailto:kzak@redhat.com[Karel Zak], mailto:rgerhards@adiscon.com[Rainer Gerhards], and mailto:kerolasa@iki.fi[Sami Kerola].
+
+== SEE ALSO
+
+*journalctl*(1),
+*syslog*(3),
+*systemd.journal-fields*(7)
+
+include::man-common/bugreports.adoc[]
+
+include::man-common/footer.adoc[]
+
+ifdef::translation[]
+include::man-common/translation.adoc[]
+endif::[]