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.