SYSTEMD.JOURNAL-FIELDS(7) systemd.journal-fields SYSTEMD.JOURNAL-FIELDS(7) systemd.journal-fields - ( systemd-journald.service(8)) UNIX . UTF-8 -- UTF-8 . . : . ( ) . . MESSAGE= . . ( ) . ( ASCII 10) MESSAGE=. ( ) . MESSAGE_ID= 128 . 128 . UUID . systemd-id128 new. PRIORITY= 0 ("emerg") 7 ("debug") . syslog. CODE_FILE=, CODE_LINE=, CODE_FUNC= . . ERRNO= Unix . errno(3) . 188. INVOCATION_ID=, USER_INVOCATION_ID= 128 . _SYSTEMD_INVOCATION_ID systemd ( / systemd). 245. SYSLOG_FACILITY=, SYSLOG_IDENTIFIER=, SYSLOG_PID=, SYSLOG_TIMESTAMP= Syslog ( ) ( "") . ( glibc program_invocation_short_name program_invocation_short_name(3).) syslog . . SYSLOG_RAW= syslog syslog. MESSAGE= SYSLOG_TIMESTAMP=. ( ) NUL ( NUL ). syslog SYSLOG_RAW= MESSAGE=. 240. DOCUMENTATION= URL . journalctl URL . URL "http://" "https://" "file:/" "man:" "info:". 246. TID= (TID) . 247. UNIT=, USER_UNIT= . . --unit=name --user-unit=name journalctl(1) "UNIT=name.service" "USER_UNIT=name.service". 251. . _PID= _UID= _GID= . "stdout" "stderr" ( systemd-journald). _COMM= _EXE= _CMDLINE= . _CAP_EFFECTIVE= capabilities(7) . 206. _AUDIT_SESSION= _AUDIT_LOGINUID= . _SYSTEMD_CGROUP= _SYSTEMD_SLICE= _SYSTEMD_UNIT= _SYSTEMD_USER_UNIT= _SYSTEMD_USER_SLICE= _SYSTEMD_SESSION= _SYSTEMD_OWNER_UID= systemd systemd systemd systemd ( ) systemd ( ) systemd systemd ( ) . _SELINUX_CONTEXT= SELinux () . _SOURCE_REALTIME_TIMESTAMP= . CLOCK_REALTIME . _SOURCE_BOOTTIME_TIMESTAMP= CLOCK_BOOTTIME _SOURCE_REALTIME_TIMESTAMP=. 257. _BOOT_ID= 128 . _MACHINE_ID= machine-id(5). _SYSTEMD_INVOCATION_ID= $INVOCATION_ID ( systemd.exec(5)). 233. _HOSTNAME= . _TRANSPORT= . : audit 227. driver 205. syslog syslog syslog 205. journal 205. stdout 205. kernel 205. _STREAM_ID= "_TRANSPORT=stdout": 128 . : . 235. _LINE_BREAK= "_TRANSPORT=stdout": / ("\n" ASCII 10). nul ( NUL) line-max ( LineMax= journald.conf(5)) eof ( ) pid-change ( ). . 235. _NAMESPACE= systemd-journald . systemd-journald.service(8) . 245. _RUNTIME_SCOPE= . "initrd" initrd. "system" . 252. . _KERNEL_DEVICE= . ":" "b". "c". "n". "+" ":" . 189. _KERNEL_SUBSYSTEM= . 189. _UDEV_SYSNAME= /sys/. 189. _UDEV_DEVNODE= /dev/. 189. _UDEV_DEVLINK= /dev/. . 189. . systemd-coredump: COREDUMP_UNIT=, COREDUMP_USER_UNIT= . coredumpctl(1). 198. (UID 0 ) OBJECT_PID= . systemd-journald : OBJECT_PID=PID PID . 205. OBJECT_UID=, OBJECT_GID=, OBJECT_COMM=, OBJECT_EXE=, OBJECT_CMDLINE=, OBJECT_AUDIT_SESSION=, OBJECT_AUDIT_LOGINUID=, OBJECT_SYSTEMD_CGROUP=, OBJECT_SYSTEMD_SESSION=, OBJECT_SYSTEMD_OWNER_UID=, OBJECT_SYSTEMD_UNIT=, OBJECT_SYSTEMD_USER_UNIT= systemd-journald. _UID=, _GID=, _COMM=, _EXE=, _CMDLINE=, _AUDIT_SESSION=, _AUDIT_LOGINUID=, _SYSTEMD_CGROUP=, _SYSTEMD_SESSION=, _SYSTEMD_UNIT=, _SYSTEMD_USER_UNIT=, _SYSTEMD_OWNER_UID= PID . 205. OBJECT_SYSTEMD_INVOCATION_ID= systemd-journald. _SYSTEMD_INVOCATION_ID= . 235. [1] JSON [2] . . sd_journal_send(3). sd_journal_add_match(3). __CURSOR= . . __REALTIME_TIMESTAMP= (CLOCK_REALTIME) UTC . "_SOURCE_REALTIME_TIMESTAMP=" . __MONOTONIC_TIMESTAMP= (CLOCK_MONOTONIC) . "_BOOT_ID=". __SEQNUM= __SEQNUM_ID= ( ) . sd_journal_get_seqnum(3) . 254. systemd(1) systemd-journald.service(8) journalctl(1) journald.conf(5) sd-journal(3) coredumpctl(1) systemd.directives(7) 1. https://systemd.io/JOURNAL_EXPORT_FORMATS#journal-export-format 2. JSON https://systemd.io/JOURNAL_EXPORT_FORMATS#journal-json-format 3 . . : . systemd 260.2 SYSTEMD.JOURNAL-FIELDS(7)