X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=man%2Fsystemd-journald.service.xml;h=4d2cb40805d411e1f45e4d018ad5b5f1d58f78ea;hp=d751f9b8551b38513e8446ab9a418a2b4bd8318a;hb=a6278b88305b237b02eabff0d870b57fe851822d;hpb=e9dd9f9547350c7dc0473583b5c2228dc8f0ab76 diff --git a/man/systemd-journald.service.xml b/man/systemd-journald.service.xml index d751f9b85..4d2cb4080 100644 --- a/man/systemd-journald.service.xml +++ b/man/systemd-journald.service.xml @@ -59,17 +59,17 @@ Description systemd-journald is a - system service that collects and stores logging - data. It creates and maintains structured, indexed - journals based on logging information that is received - from the kernel, from user processes via the libc + system service that collects and stores logging data. + It creates and maintains structured, indexed journals + based on logging information that is received from the + kernel, from user processes via the libc syslog3 - call, from STDOUT/STDERR of system services or via its - native API. It will implicitly collect numerous meta - data fields for each log messages in a secure and - unfakeable way. See + call, from standard input and standard error of system + services or via its native API. It will implicitly + collect numerous metadata fields for each log + messages in a secure and unfakeable way. See systemd.journal-fields7 - for more information about the collected meta data. + for more information about the collected metadata. Log data collected by the journal is primarily @@ -77,7 +77,7 @@ necessary. All objects stored in the journal can be up to 2^64-1 bytes in size. - By default the journal stores log data in + By default, the journal stores log data in /run/log/journal/. Since /run/ is volatile, log data is lost at reboot. To make the data persistent, it @@ -191,6 +191,52 @@ directory. + + Files + + + + /etc/systemd/journald.conf + + Configure + systemd-journald + behaviour. See + journald.conf5. + + + + + /run/log/journal/machine-id/*.journal + /run/log/journal/machine-id/*.journal~ + /var/log/journal/machine-id/*.journal + /var/log/journal/machine-id/*.journal~ + + systemd-journald + writes entries to files in + /run/log/journal/machine-id/ + or + /var/log/journal/machine-id/ + with the .journal + suffix. If the daemon is stopped + uncleanly, or if the files are found + to be corrupted, they are renamed + using the .journal~ + suffix, and + systemd-journald + starts writing to a new + file. /run is + used when + /var/log/journal + is not available, or when + is + set in the + journald.conf5 + configuration file. + + + + + See Also @@ -199,7 +245,8 @@ journald.conf5, systemd.journal-fields7, sd-journal3, - setfacl1 + setfacl1, + pydoc systemd.journal.