iotop is great for diagnosing disk I/O :)

On 3 Feb 2013, at 19:28, "Rob Malpass" <li...@getiton.myzen.co.uk> 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
> -- 
> Please post to: Hampshire@mailman.lug.org.uk
> Web Interface: https://mailman.lug.org.uk/mailman/listinfo/hampshire
> LUG URL: http://www.hantslug.org.uk
> --------------------------------------------------------------
-- 
Please post to: Hampshire@mailman.lug.org.uk
Web Interface: https://mailman.lug.org.uk/mailman/listinfo/hampshire
LUG URL: http://www.hantslug.org.uk
--------------------------------------------------------------

Reply via email to