Chuck Hamilton wrote:
>
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> Has anyone ever tried to do real-time or near real-time monitoring of
> the alert log for new messages on a unix system? How did you do it? I
> want to do it but don't want to change the name of the alert log or
> copy it to some other file.
>
> What do you think of this idea. Run a cron job every few minutes
> that:
> 1. appends a comment with an embedded sequential counter to the alert
> log.
> 2. reads the previous sequential counter from a separate file
> 3. uses sed to extract everything between the previous counter and
> the new counter and scans those lines for error messages
> 4. writes the new counter to the separate file to be used as the
> starting point for the next time it runs.
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I wrote one in Perl and DBI. It emulates 'tail -f' on the alert log.
When errors occur, I would get a page with the error, and an email would
be sent also.
--
Ron Reidy
Oracle DBA
Reidy Consulting, L.L.C.
Received on Thu Sep 20 2001 - 15:05:47 CDT
