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Title
Syslog-ng PE Syntax Check -
Description
This article details thesyslog -ng syntax tool which allows for the verification of a validsyslog -ng configuration. -
Cause
Once asyslog -ng configuration is created it needs to be verified to ensure its validity before starting thesyslog -ng service with the created configuration. -
Resolution
These steps must be completed from within the Syslog-ng PE Linux environment.
- With root privileges please run the following command from within the Linux environment which is running the Syslog-ng PE instance
/opt/syslog-ng/sbin/syslog-ng -svf /opt/syslog-ng/etc/syslog-ng.confReplace "/opt/
syslog -ng/etc/syslog -ng.conf" with the location of thesyslog -ng configuration file if not using the default location.- The -ng service will then run a syntax check against the -ng configuration file to ensure its validity.
- If nothing is returned from within the terminal once the
syslog -ng syntax tool has been run, then the configuration file is valid. - If a syntax error is found after running the
syslog -ng syntax tool the error will be displayed within the terminal which will state where the syntax error is located.
- If nothing is returned from within the terminal once the
- For knowledge:
- -s informs the
syslog -ng service to perform a syntax verification - -v informs the
syslog -ng service to perform the syntax verification verbosely - -f informs the
syslog -ng service to use a specific configuration file which is then specified - the -
svf syntax within this command combine the above syntaxes to perform thesyslog -ng syntax verification of the configuration file verbosely using a configuration file specified.
- -s informs the
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Additional Information
This tool is for verifying the syntax validity of the configuration only. This tool does not scan for configuration errors that may not causesyslog -ng to perform as desired, therefore any errors in the configuration that are not syntax errors, will not be found using this tool.