X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=man%2Fjournalctl.xml;h=8890c64a41fbbfae8c61ac84ef73248873243cbd;hp=027f22d259e42cd012edcc627dcf8c13ba9c362f;hb=69c79d3c32ff4d6a572ee1cdec248b27df1fb6ca;hpb=9c33d34fe4cd0bc58ea12e5258e595647c9e0b29
diff --git a/man/journalctl.xml b/man/journalctl.xml
index 027f22d25..8890c64a4 100644
--- a/man/journalctl.xml
+++ b/man/journalctl.xml
@@ -21,7 +21,8 @@
along with systemd; If not, see .
-->
-
+journalctl
@@ -84,7 +85,7 @@
alternatives, i.e. the resulting output will show
entries matching any of the specified matches for the
same field. Finally, if the character
- + appears as separate word on the
+ + appears as a separate word on the
command line, all matches before and after are combined
in a disjunction (i.e. logical OR).
@@ -104,7 +105,7 @@
All users are granted access to their private
per-user journals. However, by default, only root and
- users who are members of the adm
+ users who are members of the systemd-journal
group get access to the system journal and the
journals of other users.
@@ -112,14 +113,14 @@
less by default, and long lines are
"truncated" to screen width. The hidden part can be
viewed by using the left-arrow and right-arrow
- keys. Paging can be disabled, see
- and section Environment
- below.
+ keys. Paging can be disabled; see the
+ option and the "Environment"
+ section below.
When outputing to a tty, lines are colored
according to priority: lines of level ERROR and higher
- are colored red, lines of level NOTICE and higher are
- highlighted, and other lines are displayed normally.
+ are colored red; lines of level NOTICE and higher are
+ highlighted; other lines are displayed normally.
@@ -152,11 +153,20 @@
-
+
+
- Show all (printable) fields in
- full.
+ Ellipsize fields when
+ they do not fit in available columns.
+ The default is to show full fields,
+ allowing them to wrap or be truncated
+ by the pager, if one is used.
+
+ The old options
+ /
+ are not useful anymore, except to undo
+ .
@@ -223,7 +233,7 @@
- Reverse output, so the newest
+ Reverse output so that the newest
entries are displayed first.
@@ -251,12 +261,37 @@
+
+
+
+
+
+ is very similar,
+ but shows ISO 8601
+ wallclock timestamps.
+
+
+
+
+
+
+
+
+
+ is very similar,
+ but shows timestamps
+ with full microsecond
+ precision.
+
+
+
+
- is very similar
+ is very similar,
but shows monotonic
timestamps instead of
wallclock timestamps.
@@ -318,7 +353,7 @@
but formats them in
multiple lines in order
to make them more
- readable for humans.
+ readable by humans.
@@ -342,7 +377,7 @@
generates a very
- terse output only
+ terse output, only
showing the actual
message of each journal
entry with no meta data,
@@ -367,7 +402,7 @@
context of an error or log event,
possible solutions, as well as
pointers to support forums, developer
- documentation and any other relevant
+ documentation, and any other relevant
manuals. Note that help texts are not
available for all messages, but only
for selected ones. For more
@@ -375,7 +410,14 @@
please refer to the Message
Catalog Developer
- Documentation.
+ Documentation.
+
+ Note: when attaching
+ journalctl output
+ to bug reports, please do
+ not use
+ .
+
@@ -383,8 +425,8 @@
Suppresses any warning
- message regarding inaccessible system
- journals when run as normal
+ messages regarding inaccessible system
+ journals when run as a normal
user.
@@ -399,42 +441,61 @@
-
-
+
+
- Show messages from the specified
- boot ID or from
- current boot if no ID
- is given. This will add a match for
+ Show messages from a specific
+ boot. This will add a match for
_BOOT_ID=.
- The argument is a 128 bit ID given in
- short or UUID form and optionally followed by
- :n which identifies the nth
- boot relative to the boot ID given to the left
- of :. Supplying a negative
- value for n will look for a past boot and a
- positive value for a future boot. The boot IDs
- are searched for in chronological order. If no
- number is provided after :,
- -1 is assumed. A value of 0
- is valid and equivalent to omitting
- :0.
-
- Alternatively, the argument may constist
- only of :n. In this case, a
- positive value will look up the nth boot
- starting from the beginning of the jouranl, a
- negative value will look up a previous boot
- relative to the current boot. :0
- will look for the current boot ID. Thus,
- :1 is the first boot found in
- the journal, :2 the second
- and so on; while :-1 is the
- previous boot, :-2 the boot
- before that and so on. Omitting a value after
- : will look for the previous
- boot.
+ 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
+ chronological order, 2 the
+ second and so on; while -0
+ is the last boot, -1 the
+ boot before last, 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 a tabular list of
+ boot numbers (relative to the current
+ boot), their IDs, and the timestamps
+ of the first and last message
+ pertaining to the boot.
+
@@ -449,17 +510,27 @@
-
+ Show messages for the
- specified systemd unit. This will add
- a match for messages from the unit
- (_SYSTEMD_UNIT=)
- and additional matches for messages
- from systemd and messages about
- coredumps for the specified unit.
- This parameter can be specified multiple times.
-
+ specified systemd unit
+ UNIT, or
+ for any of the units matched by
+ PATTERN.
+ If a pattern is specified, a list of
+ unit names found in the journal is
+ compared with the specified pattern
+ and all that match are used. For each
+ unit name a match is added for
+ messages from the unit
+ (_SYSTEMD_UNIT=UNIT)
+ along with additional matches for
+ messages from systemd and messages
+ about coredumps for the specified
+ unit.
+
+ This parameter can be specified
+ multiple times.
@@ -522,6 +593,28 @@
cursor.
+
+
+
+ Start showing entries
+ from the location in the journal
+ after the
+ location specified by the this cursor.
+ The cursor is shown when the
+ option
+ is used.
+
+
+
+
+
+ The cursor is shown after the last
+ entry after two dashes:
+ -- cursor: s=0639...
+ The format of the cursor is private
+ and subject to change.
+
+
@@ -569,7 +662,7 @@
Show messages from
system services and the kernel (with
- ). Show
+ ). Show
messages from service of current user
(with ).
If neither is specified, show all
@@ -577,6 +670,16 @@
+
+
+
+
+ Show messages from a
+ running, local container. Specify a
+ container name to connect
+ to.
+
+
@@ -593,7 +696,7 @@
- Takes a file glob as
+ Takes a file glob as an
argument. If specified, journalctl will
operate on the specified journal files
matching GLOB
@@ -607,7 +710,7 @@
Takes a directory path
- as argument. If specified, journalctl
+ as an argument. If specified, journalctl
will operate on catalog file hierarchy
underneath the specified directory
instead of the root directory
@@ -621,8 +724,8 @@
Instead of showing
- journal contents, generate a new 128
- bit ID suitable for identifying
+ journal contents, generate a new 128-bit
+ ID suitable for identifying
messages. This is intended for usage
by developers who need a new
identifier for a new message they
@@ -652,16 +755,16 @@
List the contents of
- the message catalog, as table of
- message IDs plus their short
+ the message catalog as a table of
+ message IDs, plus their short
description strings.If any
- ID128s are
+ 128-bit-IDs are
specified, only those entries are shown.
@@ -669,18 +772,18 @@
Show the contents of
the message catalog, with entries
separated by a line consisting of two
- dashes and the id (the format is the
+ dashes and the ID (the format is the
same as .catalog
- files.
+ files).If any
- ID128s are
+ 128-bit-IDs are
specified, only those entries are shown.
@@ -692,7 +795,7 @@
Update the message
catalog index. This command needs to
be executed each time new catalog
- files are installed, removed or
+ files are installed, removed, or
updated to rebuild the binary catalog
index.
@@ -708,18 +811,23 @@
sealing key is stored in the journal
data directory and shall remain on the
host. The verification key should be
- stored externally. Also see the
+ stored externally. Refer to the
option in
journald.conf5
- for details.
+ for information on Forward Secure
+ Sealing and for a link to a refereed
+ scholarly paper detailing the
+ cryptographic theory it is based on.
+
- When --setup-keys is passed and
- Forward Secure Sealing has already been set up,
- recreate FSS keys.
+ When
+ is passed and
+ Forward Secure Sealing (FSS) has already been
+ configured, recreate FSS keys.
@@ -764,25 +872,11 @@
Exit status
- On success, 0 is returned, a non-zero failure
- code otherwise.
+ On success, 0 is returned; otherwise, a non-zero
+ failure code is returned.
-
- Environment
-
-
-
- $SYSTEMD_PAGER
- Pager to use when
- is not given;
- overrides $PAGER. Setting
- this to an empty string or the value
- cat is equivalent to passing
- .
-
-
-
+ Examples
@@ -821,9 +915,9 @@
journalctl /dev/sda
- Show all kernel logs from last boot:
+ Show all kernel logs from previous boot:
- journalctl -k -b :
+ journalctl -k -b -1