[CentOS] slow GUI
Robert Moskowitz
rgm at htt-consult.com
Fri Dec 30 15:54:55 UTC 2005
At 09:20 AM 12/30/2005, Craig White wrote:
>On Fri, 2005-12-30 at 09:09 -0500, Robert Moskowitz wrote:
> > At 08:18 AM 12/30/2005, Johnny Hughes wrote:
> > >On Fri, 2005-12-30 at 07:56 -0500, Robert Moskowitz wrote:
> > > > System:
> > > >
> > > > PIII 500Mhz
> > > > 128MB memory
> > > > 20GB drive
> > > >
> > > > Current CentOS 4.2
> > > > Gnome GUI
> > > >
> > > > The system runs 'idle' at around 70Mb memory used and 4% cpu usage.
> > > >
> > > > But whenever I go to start a task:
> > > >
> > > > Start Gedit, Services tool, a Terminal window, Firefox
> > > >
> > > > It takes a minute or so. CPU mayyyypeak at 100% briefly then come
> > > > down. Memory has yet to exceed 100Mb usage.
> > > >
> > > > Any pointers of where to look to see why it is slow?
> > > >
> > >Why it is slow is easy ... RHEL-4 (and therefore CentOS) doesn't work
> > >correctly in GUI mode with less than 256MB RAM.
> > >
> > >If you run top and look, you will have lots of SWAP usage ... which is
> > >simulating system memory onto hard drive. This is VERY slow and makes
> > >things take forever :)
> >
> > Oh well...
> >
> > Since this is targeted as my DNS and mail server, I had better get
> > more memory quickly!
> >
> > I had been using gnome's system monitor. And although it showed 43Mb
> > of swap used (of 256Mb) it did not show any swap activity.
> >
> > I will try and figure out how to use top.
>----
>If all you need it for is to serve dns and mail there is no need to run
>a gui and the machine should be quite adequate at run level 3.
Once I set it up, I was going to change my run level to 3 (which
script is that in?).
>Install webmin to configure/monitor and use command line too.
webmin. From yum? ;-)
And of course run through SSH. What port(s) does it use?
>If vi is too cumbersome to learn, 'yum install emacs' as emacs is a
>bit easier to
>use.
I earlier mentioned that I have my vi book handy:
"Learning the VI Editor" 4th edition ('88).
emacs is always a bit much.
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