Systemd-cat

systemd-cat write everything it reads from standard input (stdin) to systemd journal

Usage

• echo "TEXT TO LOG" | systemd-cat
  • echo "TEXT TO LOG" | systemd-cat -p info
• systemd-cat -p info -t TEXT

-p, --priority options: "emerg", "alert", "crit", "err", "warning", "notice", "info", "debug"

See also

• Linux logging, Cisco IOS logging
• monitoring
• Systemd: systemctl, systemd-journald, journalctl systemd-cat, systemd-logind, systemd-networkd:networkctl, systemd-timesyncd, systemd-resolved, systemd-udevd , Systemd-logind: loginctl, hostnamectl, udevadm, systemd-run, portablectl, systemd-nspawn, systemd resource management, Timer (systemd), systemd logs, /etc/systemd/, systemd services, systemd-mount, /run/systemd/, .service, /usr/lib/systemd/, /usr/lib/systemd/system/, /usr/lib/systemd/system/systemd-resolved.service, /lib/systemd/, machinectl, systemd-oomd, systemd-analyze

https://www.freedesktop.org/software/systemd/man/systemd-cat.html

https://wiki.ubuntu.com/DebuggingSystemd