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diff --git a/man/journalctl.xml b/man/journalctl.xml
index b8b29b4cb..dcc6d5dce 100644
--- a/man/journalctl.xml
+++ b/man/journalctl.xml
@@ -233,53 +233,137 @@
Controls the
formatting of the journal entries that
- are shown. Takes one of
- short,
- short-monotonic,
- verbose,
- export,
- json,
- json-pretty,
- json-sse,
- cat. short
- is the default and generates an output
- that is mostly identical to the
- formatting of classic syslog
- files, showing one line per journal
- entry. short-monotonic
- is very similar but shows monotonic
- timestamps instead of wallclock
- timestamps. verbose
- shows the full structured entry items
- with all
- fields. export
- serializes the journal into a binary
- (but mostly text-based) stream
- suitable for backups and network
- transfer (see Journal
- Export Format for more
- information). json
- formats entries as JSON data
- structures, one per
- line (see Journal
- JSON Format for more
- information). json-pretty
- also formats entries as JSON data
- structures, but formats them in
- multiple lines in order to make them
- more readable for
- humans. json-sse
- also formats entries as JSON data
- structures, but wraps them in a format
- suitable for Server-Sent
- Events. cat
- generates a very terse output only
- showing the actual message of each
- journal entry with no meta data, not
- even a timestamp.
+ are shown. Takes one of the following options:
+
+
+
+
+
+
+
+ is the default
+ and generates an output
+ that is mostly identical
+ to the formatting of
+ classic syslog files,
+ showing one line per
+ journal entry.
+
+
+
+
+
+
+
+
+ is very similar
+ but shows monotonic
+ timestamps instead of
+ wallclock timestamps.
+
+
+
+
+
+
+
+
+
+ is very similar,
+ but shows ISO 8601
+ wallclock timestamps.
+
+
+
+
+
+
+
+
+
+ shows the
+ full-structured entry
+ items with all fields.
+
+
+
+
+
+
+
+
+
+ serializes the
+ journal into a binary
+ (but mostly text-based)
+ stream suitable for
+ backups and network
+ transfer (see Journal
+ Export Format
+ for more
+ information).
+
+
+
+
+
+
+
+
+ formats entries
+ as JSON data structures,
+ one per line (see Journal
+ JSON Format for
+ more information).
+
+
+
+
+
+
+
+
+ formats entries as
+ JSON data structures,
+ but formats them in
+ multiple lines in order
+ to make them more
+ readable for humans.
+
+
+
+
+
+
+
+
+ formats entries as
+ JSON data structures,
+ but wraps them in a
+ format suitable for Server-Sent
+ Events.
+
+
+
+
+
+
+
+
+ generates a very
+ terse output only
+ showing the actual
+ message of each journal
+ entry with no meta data,
+ not even a timestamp.
+
+
+
+
+
@@ -327,23 +411,59 @@
-
-
+
+
+
+ Show messages from a specific
+ boot. This will add a match for
+ _BOOT_ID=.
+
+ The argument may be empty, in which case
+ logs for the current boot will be shown.
+
+ If the boot ID is omitted, a positive
+ offset will look up
+ the boots starting from the beginning of the
+ journal, and a equal-or-less-than zero
+ offset will look up
+ boots starting from the end of the
+ journal. Thus, 1 means the
+ first boot found in the journal in the
+ chronological order, 2 the
+ second and so on; while -0
+ is the last boot, -1 the
+ boot before that, and so on. An empty
+ offset is equivalent
+ to specifying -0, except
+ when the current boot is not the last boot
+ (e.g. because was
+ specified to look at logs from a different
+ machine).
+
+ If the 32 character
+ ID is specified, it
+ may optionally be followed by
+ offset which
+ identifies the boot relative to the one given by
+ boot ID. Negative
+ values mean earlier boots and a positive values
+ mean later boots. If
+ offset is not
+ specified, a value of zero is assumed and the
+ logs for the boot given by
+ ID are shown.
+
- Show data only from
- current boot. This will add a match
- for _BOOT_ID= for
- the current boot ID of the
- kernel.
+
- Show kernel messages from
- current boot. This implies
- and adds the match _TRANSPORT=kernel.
+ Show only kernel messages. This
+ implies and adds the match
+ _TRANSPORT=kernel.
@@ -422,6 +542,16 @@
cursor.
+
+
+
+ Start showing entries from the
+ location in the journal
+ after the location
+ specified by the this cursor.
+
+
+
@@ -721,6 +851,10 @@
journalctl /dev/sda
+ Show all kernel logs from previous boot:
+
+ journalctl -k -b -1
+