Re: Help with a software package
From: Dances With Crows (danSPANceswitTRAPhcrows_at_usa.net)
Date: 01/05/04
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Date: 5 Jan 2004 16:38:59 GMT
On 5 Jan 2004 07:05:24 -0800, Adam Rumpke staggered into the Black Sun
and said:
> I am having a dilemma with something and I am hoping someone can help.
> We hired a local Japanese software firm to design our software package
> which runs on a RH 7.3 box
> 1. Find out in what order this software boots up
All Unix-like systems have a configuration file called /etc/inittab .
The first thing the kernel does after loading itself is execute
/sbin/init , which reads /etc/inittab and executes the lines in that
file. "man inittab" for more info. Redhat 7.3 uses a SysV-style init
and usually starts up in runlevel 5, so you'll probably find most of the
startup scripts in /etc/rc.d/rc5.d/S* .
> 2. How can we get this to boot quicker
> ( Other than shoving more ram in the box can I do some little tweeks
> to speed things up ... Where can I find a link with tweeks?)
tweek != tweak. "tweek" is USA slang for methamphetamines, "tweak"
means "to change something slightly". The thing that helps the most on
systems with IDE drives is to use hdparm -d1 -m16 -u1 -c1 /dev/hd[a-d]
to turn DMA, 16-sector reads, unmasking of interrupts, and 32-bit reads
on. And buy more RAM, of course--how much do you have in there? RAM
prices have never been cheaper. If your system is running kudzu
(Redhat's automatic hardware detection program) every time it's booting,
that slows things down a lot, so turn that off if possible. If your
system is running sendmail and it's not connected to a network or has a
screwed-up sendmail.cf , the boot will appear to halt for about a minute
while sendmail's trying to figure things out.
> 3. How can I find out how much of my memory this software is eating
> up? (df | less isnt working
Nor should it. df is the "disk free" command, which tells you how much
free space you have on each disk partition. To get a good look at
running processes from an xterm or konsole, use top . GUI process
viewers include xosview and ksysguard.
> 4. Anything else that might impress my boss ... Hey, I am sorry for
> being so vague
Ever hear of "garbage in, garbage out"? You get better results from
being as specific as possible.
> but honestly I cant be more specific because my boss would kill me if
> I mentioned the software by name.
rot13 the mystery program's name, then (it wouldn't be Benpyr, would
it?). Or post using a different identity or using Google Groups or
something. If silly political garbage prevents you from solving a
technical problem, subvert the politics by any means necessary.
-- Matt G|There is no Darkness in Eternity/But only Light too dim for us to see Brainbench MVP for Linux Admin / mail: TRAP + SPAN don't belong http://www.brainbench.com / Hire me! -----------------------------/ http://crow202.dyndns.org/~mhgraham/resume
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