[CentOS] Log monitoring

[Bowie Bailey]

On 7/6/2011 5:37 AM, Fajar Priyanto wrote:
> Hi all,
> Currently I do 'tail -f /var/log/messages | grep something' to
> monitor/tune in my iptables rules.
>
> Based on your experience, is there any tools do that better like:
> - color
> - grepping multiple keywords
> - some statistic

I don't know about any tools for this, but I did want to point out that
grep can handle multiple keywords.

$ tail -f /var/log/messages | grep -e keyword1 -e keyword2 -e keyword3

Also, current versions of grep have the '-P' flag to allow use of Perl
regular expressions for more complex matches.

-- 
Bowie