Examples of a journal log entry:
Code:
MESSAGE_ID=c686f3b205dd48e0b43ceb6eda479721
MESSAGE=User harald logged in
LOGIN_USER=500
SEAT=seat0
_SERVICE=systemd-logind.service
_EXE=/lib/systemd/systemd-logind
_COMM=systemd-logind
_CMDLINE=/lib/systemd/systemd-logind
_PID=4711
_UID=0
_GID=0
_SYSTEMD_CGROUP=/system/systemd-logind.service
_CGROUPS=cpu:/system/systemd-logind.service
PRIORITY=6
_BOOT_ID=422bc3d271414bc8bc95870f222f24a9
_MACHINE_ID=a91663387a90b89f185d4e860067801a
_HOSTNAME=waldi
LOGIN_USER=500
Code:
MESSAGE_ID=c2c90533e0614ac2964085462f5fe730
MESSAGE=Sector 4365345 bad: IO error during read operation
_DRIVER=ahci
_DEVICE=b8:0
_SUBSYSTEM=block
_NODE=/dev/sda
_UDEV_SYMLINKS=/dev/by-uuid/47111-2i4325-435345 /dev/by-path/pci-32i74625
SECTOR=4365345
SMART_BLOB
[64bit LE int buffer length][buffer]
_BOOT_ID=422bc3d271414bc8bc95870f222f24a9
_MACHINE_ID=a91663387a90b89f185d4e860067801a
_HOSTNAME=waldi
PRIORITY=2
un-grepable, un-awkable, un-tailable, un-lessable, un-trivially-scriptable, un-just-about-anything-else-you-would-expect-a-unix-system-to-be-able-to-doable
Upside:
At least it's not a binary format ... Although it doesn't really matter like this ...