logger

Additional Notes

logger is a log command used to write messages to the system log. It is useful for adding custom messages to syslog from scripts or for testing log forwarding.

Use logger -t TAG to label messages with a custom tag. Use logger -p facility.level to control which syslog facility and severity the message is sent to.

Syntax

logger [options] [arguments]

Parameters

• options: Flags that change how logger behaves.
• unit-or-file: Service name, log file, or log source to inspect.
• time-range: Optional time filter for narrowing log output.

Common Options

• --help: Show command help when supported.
• --version: Show version information when supported.

Examples

logger --help
man logger

Practical Notes

Options can vary by distribution and package version. Use man logger, logger --help, or the package documentation for exact syntax.