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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Please post to: Hampshire@???
Web Interface:
https://mailman.lug.org.uk/mailman/listinfo/hampshire
LUG URL:
http://www.hantslug.org.uk
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