On Wednesday 02 Jun 2004 22:37, brian wrote: snip > So most of those I understand, but anyone know what the numeric > entries represent? > > Second question - 9.1 ran just fine on this PC (600 MHz PIII, 512 MB > of memory) but once I'd installed 10.0 I noticed a lot of disk > thrashing going on. I ran up KDE system guard (I"m using the version > of KDE which came with 10.0, and that's the only desktop I've > installed) to find that I'd only got a couple of megs of memory free, > which explains the thrashing,
Linux uses all unused memory as a disc cache. It is perfectly normal for memory usage to be 100% After all unused memory is 'wasted' memory. > but what puzzles me is some of the > entries in the task list. I seem to have multiple copies of a whole > bunch of things running. > > As far as servers that I've installed are concerned, I have MySQL, > ProFTP and Apache (that I'm aware of). I've also got Kylix on the PC, > but that doesn't have anything sitting in the background until you > actually run it. Anyway, what puzzles me is that I've got six copies > of httpd2, one with a login of root and five with a login of apache, Perfectly normal. That is how more than 1 person at a time can hit your web site. > six copies of mingetty, Hit Ctl+Atl+F1 through to F6 and you will see text consoles. These are the instances of mingetty. You could run fewer, but it would save virtually no resources. Any idle process eventually gets swapped out to swap and consumes insignificant resource. > five of saslauthd, Perfectly normal assuming you are actually using SASL (Possibly for email authentication) > and a couple of other > programs which show two or three instances. Can anyone tell me > whether the footprint of 10.0 with KDE really is this large, or has > something gone wrong with the update process? No its all normal. Do not worry about it. If there are services you have installed but do not use, then by all means turn them off or uninstall them. The only service I would recommend disabling is tmdns (Tiny DNS server) which is more trouble than it is worth and screws up lots of peoples net connection. > > As above, don't underestimate my ignorance of Linux. I used to write > Fortran programs under some variant of Unix 25 years ago, and that's > about the extent of my knowledge of Unix/Linux systems. Since then > all my PC work has been with Billy G's offerings. At the moment, I > know about enough of Mandrake to navigate round the file system and > to fire up Kylix. Just enough knowledge to be dangerous ;-) Someone on this list used to have a good signature :- If your Linux system is not broken, you are not trying hard enough! Have fun derek BTW Brian. Please remove the "Reply To" in your email settings. See the etiquette page on the Twiki for why. > > Thanks, > > Brian. -- www.jennings.homelinux.net http://twiki.mdklinuxfaq.org
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