Hi, I'm aware of apps like logwatch and others that can send daily reports based on unmatched log entries, and apps like nagios that can alert on system errors, but does something exist that can scan logs in real-time and alert when a specific pattern is found?
For example, opendkim failed in such a way that it was still running, but something was wrong with it and needed to be restarted. This apparently went on for some time. Jul 1 10:04:21 cipher opendkim[2816585]: OpenDKIM Filter: accept() returned invalid socket (Numerical result out of range), try again It would be good to be able to catch these errors when they first happen and send a text message or an email upon discovery. It would also be helpful for apache when a 500 error is found, for example. Any ideas greatly appreciated.
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