On Fri, Nov 18, 2005 at 10:09:41AM +0000, Tom Burke wrote:
> 
> On 18 Nov 2005, at 09:46, Tim Stephens wrote:
> 
> >
> 
> There's housekeeping stuff? No, I didn't know that. Don't have Onyx.
> 
> Presumably, the date/time the housekeeping tasks run is configurable? I 
> just had a look in System Preferences but couldn't see anything 
> relevant there.
> 
> What application or utility performs these housekeeping tasks?
A script in /etc/periodic/ (either daily, weekly or monthly, depending on which 
one you mean)
> 
> 

All UNIX (or BSD in OS X's case) operating systems keep logs and temporary 
files as they go along. Normally, a periodic job is run to clear the logs out 
and rebuild things like the locate database (a bit like the Spotlight database, 
but in the terminal window). In Panther (and earlier versions of OS X), the 
times that these jobs are run at are controlled by cron. If you know about 
cron, then you will know how to change these times. If not, read on. 

ASIDE:
Tiger has added a new program called launchd, which will eventually replace 
cron. The periodic tasks are controlled by launchd, and are set using plist 
files stored in /System/Library/LaunchDaemons/
/ASIDE:

You can run the housekeeping stuff with a program such as Onyx or MacJanitor 
(as previously mentioned). If you've never done this, the logs etc could be 
very large. If you don't want to download any of these programs, leave your Mac 
_ON_ over Sunday night/Monday morning and on the night before the 1st of the 
month (that's when the tasks are run)

NB: Since Apple are generally quite clever, it's probably only necessary to try 
these things if you're having problems. I don't think that it's really 
necessary to do them every week etc. (unless you're really paranoid ;o) ).

Also, have you tried repairing permissions with Disk Utility. I've heard that 
that can work wonders too. If you do try this and get lots and lots of errors, 
repair them twice or thrice. Apparently, it can sometimes take a couple of 
tries to get everything straight.


Cheers,
Tim

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