Re: Slow linux server

[Walker West <wwest@dalcon.com>]

Alan:

I'm a lurker on the SILUG mailing list; I was a member of the EASUG
group that Steve started in Evansville.  I've had the same problem when
the client machines weren't set up in reverse DNS or the hosts file. 
Just to experiment, try adding one of the workstations to your hosts
file and then telnet in from that client.

--Walker

Alan Wilson wrote:
> 
> We have RH5.2 installed on a machine in a classroom where they teach html,
> etc.  Recently the machine has slowed to a crawl.  I have no clue.
> 
> for example, if I ping the machine from my desk, I get under 10ms time; but if
> I telnet to it, I get a connect message very quickly, but it takes 80 to 90
> seconds to get a login prompt.
> 
> If I ftp to the machine, it may take over 120 seconds to get a reply if the
> client I am using doesn't time out.
> 
> In both cases, after I connect the speed is good.
> 
> The traffic on the network is not that heavy (as checked by a packet sniffer).
> My connection is ethernet to the Linux machine (no modems).
> 
> Top suggests 70% or better idle on the cpu.
> 
> Other confusing things: samba used to advertise the machine on the network,
> but doesn't anymore.  I am not really too worried about samba as I seem to be
> one of the very few people with Microsoft Client installed on their machine.
> 
> A connect to the Apache web server on the machine is quick.
> 
> I don't really have any clue as to what might slow the thing down.
> Suggestions?
> 
> Thanks
> Alan
> 
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