X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=man%2Fjournalctl.xml;h=651a8a56ad99bc6c9c9ad07ae86f230ebb416579;hb=c6511e859c35b12de4e6fb5f58d7258d9de3b8f2;hp=f314fb6d261e239a9e714641db0c74d1a7a483f5;hpb=cbdca8525b4f36297cb9e5cb090a9648763ed1bf;p=elogind.git diff --git a/man/journalctl.xml b/man/journalctl.xml index f314fb6d2..651a8a56a 100644 --- a/man/journalctl.xml +++ b/man/journalctl.xml @@ -62,7 +62,7 @@ journal as written by systemd-journald.service8. - If called without parameter will show the full + If called without parameter it will show the full contents of the journal, starting with the oldest entry collected. @@ -86,6 +86,15 @@ command line all matches before and after are combined in a disjunction (i.e. logical OR). + As shortcuts for a few types of field/value + matches file paths may be specified. If a file path + refers to an executable file, this is equivalent to an + _EXE= match for the canonicalized + binary path. Similar, if a path refers to a device + node, this is equivalent to a + _KERNEL_DEVICE= match for the + device. + Output is interleaved from all accessible journal files, whether they are rotated or currently being written, and regardless whether they belong to the @@ -140,8 +149,8 @@ - Show only most recent - journal entries, and continously print + Show only the most recent + journal entries, and continuously print new entries as they are appended to the journal. @@ -152,11 +161,14 @@ Controls the number of journal lines to show, counting from - the most recent ones. Takes a positive - integer argument. In follow mode - defaults to 10, otherwise is unset - thus not limiting how many lines are - shown. + the most recent ones. The argument is + optional, and if specified is a + positive integer. If not specified and + in follow mode defaults to 10. If this + option is not passed and follow mode + is not enabled, how many lines are + shown is not + limited. @@ -173,13 +185,14 @@ Controls the - formatting of the journal entries that are - shown. Takes one of + formatting of the journal entries that + are shown. Takes one of short, short-monotonic, verbose, export, json, + json-pretty, cat. short is the default and generates an output that is mostly identical to the @@ -189,15 +202,24 @@ is very similar but shows monotonic timestamps instead of wallclock timestamps. verbose - shows the full structered entry items + shows the full structured entry items with all - fiels. export + fields. export serializes the journal into a binary (but mostly text-based) stream suitable for backups and network - transfer. json + transfer (see Journal + Export Format for more + information). json formats entries as JSON data - structures. cat + structures, one per + line. json-pretty + also formats entries as JSON data + structures, but formats them in + multiple lines in order to make them + more readable for + humans. cat generates a very terse output only showing the actual message of each journal entry with no meta data, not @@ -209,17 +231,19 @@ Suppresses any warning - message regarding inaccessable system + message regarding inaccessible system journals when run as normal user. - - + + - Show only locally - generated messages. + Show entries + interleaved from all available + journals, including remote + ones. @@ -230,18 +254,59 @@ current boot. + + + + + Jump to the location + in the journal specified by the passed + cursor. + + Takes an absolute directory path as argument. If - specified will operate on the + specified journalctl will operate on the specified journal directory instead of the default runtime and system journal paths. + + + + + Filter output by + message priorities or priority + ranges. Takes either a single numeric + or textual log level (i.e. between + 0/emerg and + 7/debug), or a + range of numeric/text log levels in + the form FROM..TO. The log levels are + the usual syslog log levels as + documented in + syslog3, + i.e. emerg (0), + alert (1), + crit (2), + err (3), + warning (4), + notice (5), + info (6), + debug (7). If a + single log level is specified all + messages with this log level or a + lower (hence more important) log level + are shown. If a range is specified all + messages within the range are shown, + including both the start and the end + value of the range. + + @@ -258,6 +323,73 @@ similar. + + + + Instead of showing + journal contents show internal header + information of the journal fields + accessed. + + + + + + Shows the current disk + usage of all + journal files. + + + + + + Instead of showing + journal contents generate a new key + pair for Forward Secure Sealing + (FSS). This will generate a sealing + key and a verification key. The + sealing key is stored in the journal + data directory and shall remain on the + host. The verification key should be + stored externally. + + + + + + Specifies the change + interval for the sealing key, when + generating an FSS key pair with + . Shorter + intervals increase CPU consumption but + shorten the time range of + undetectable journal + alterations. Defaults to + 15min. + + + + + + Check the journal file + for internal consistency. If the + file has been generated with FSS + enabled, and the FSS verification key + has been specified with + + authenticity of the journal file is + verified. + + + + + + Specifies the FSS + verification key to use for the + + operation. + + @@ -305,7 +437,7 @@ journalctl _SYSTEMD_UNIT=avahi-daemon.service _SYSTEMD_UNIT=dbus.service If the separator "+" is used - two expression may be combined in a logical OR. The + two expressions may be combined in a logical OR. The following will show all messages from the Avahi service process with the PID 28097 plus all messages from the D-Bus service (from any of its @@ -313,6 +445,14 @@ journalctl _SYSTEMD_UNIT=avahi-daemon.service _PID=28097 + _SYSTEMD_UNIT=dbus.service + Show all logs generated by the D-Bus executable: + + journalctl /usr/bin/dbus-daemon + + Show all logs of the kernel device node /dev/sda: + + journalctl /dev/sda +