Monitoring Tool

[Andrew Bacchi]

Nilesh wrote:
> Hello All,
> 
> I want to monitor all activities on my Linux system
> could any one tell me which tool is best 
> Want to monitor 
> 1) whos trying to connect me to any port ( from IP or
> Domain Name)
There is probably some tool already written for this.  I would monitor 
the /var/log/messages log file to see who is triggering your 'iptables' 
rules.  A simple perl script can tell you all you need to know.

> 2) users connected 
Use 'who', or 'w'

> 3) services running 
Use 'ps -Af' as root, or 'top'

> 
> Regards
> Nilesh 
> 
>  
> 
> 
> 
>  
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Andrew Bacchi
Systems Programmer
Rensselaer Polytechnic Institute
phone: 518.276.6415  fax: 518.276.2809

http://www.rpi.edu/~bacchi/