Also worth looking at atop which is good for disk activity.
Thanks,
Anton
--
Anton Piatek
http://www.strangeparty.com
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On 3 Feb 2013 20:34, "Benjie Gillam" <benjie@???> wrote:
> iotop is great for diagnosing disk I/O :)
>
> On 3 Feb 2013, at 19:28, "Rob Malpass" <linux@???> wrote:
>
> Hi all****
>
> ** **
>
> For some reason, the external drive that my media centre has all its stuff
> on has just started working really hard. I’m not sure whether I should be
> worried but my **ix is very much basic so could someone help me zero in on
> what might be causing this.****
>
> ** **
>
> The server currently has no windows open****
>
> Uptime reveals 0.35, 0.47 and 0.25****
>
> Finger reveals only two users logged in (me from ssh on another box and me
> on console)****
>
> ** **
>
> Normally at this stage, I’d do a netstat –a and or a ps aux to find out
> what’s using the CPU and network but having done both, I see a lot of stuff
> I can’t interpret (for example CPU processes enclosed in square brackets)
> and besides which, as I’m in gnome on the desktop, I’d assume these are all
> required processes. ****
>
> ** **
>
> What other checks should I be doing?****
>
> ** **
>
> …and while on the subject, I need to tie down this machine’s firewall a
> bit better. Using ufw, I want a rule which allows any sort of access from
> my subnet (and obviously nothing beyond) – can anyone give me the syntax?*
> ***
>
> ** **
>
> Cheers****
>
> Rob****
>
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