Re: System Monitor

[Matt Alexander <lowbassman () gmail com>]

Gabriel Orozco wrote:
> Hello Every buddy
>
> I'm checking another computer on the network. thats has an stranger 
> behavior. Let me explain
>
> This is a Linux/Debian computer installed some 9 days ago. Assigned user 
> want to run Moodle on it.
> But they called me asking why with 40 users the server went to top 
> processor and memory.
> Hardware is a Sun-Ultra, with 2GB of RAM, and plenty of scsi disk space...
>
> The problem:
> when I run "top" I have between 43% to 52% of processor used by "Sys" 
> (System Tasks)
> and I cannot identify what is taking these process power.
> top does not give anything using the system
> nothing is being transfered (checked with iptraf)
> no disk usage (using iostat)
> no root kits, checked with ckrootkit some minutes ago
> no programs listening, checked with netstat
>
> I don't know which tool can help me to find the problem.
> I know there should be one and am surfing freshmeat.net, but I can 
> happily accept any help you can give
>
> Thanks in advance
>
> Gabriel Orozco


Look into the "vmstat" command.  For example,

vmstat -a 1

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