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Re: Command help?



Chris Tyler wrote:
On Fri, 2008-09-26 at 14:16 -0700, Rick Stevens wrote:
AFAIK, telinit does NOT fire up the /etc/rc.d stuff by itself and that's
how the K* and S* stuff get run.
As has been pointed out what you say is not true. Changes runlevel
should cause the correct rc* files to run. Check the man page of
telinit.
While the man page SAYS it "works closely together with the scripts in
the directories /etc/init.d  and /etc/rc{run-level}.d," in my experience
it really doesn't.

Under the classic scheme (F8 and older), /etc/init.d is a symlink to
/etc/rc.d/init.d, which are the TARGETS of symlinks in /etc/rc.d/rc*.d.
/etc/rc.d/init.d contains no K* or S* files at all, so I see no way for
init to selectively run K* or S* files.  /etc/rc.d/rc is a script that
DOES pick up run level changes and invokes the K* and S* scripts
selectively.

With the new F9 mechanism perhaps it does work.  I'm not running F9
yet except in a domU under Xen because, frankly, I don't trust it yet.

There must bew something else that is wrong.
Perhaps, but I don't see how it can work "as advertised" with the file
layout as it is.  It wouldn't be the first time a man page was
incorrect.

Rick,

Since you won't listen to anyone else regarding /etc/rc.d/rc, please
take a couple minutes to prove to yourself that changing the runlevel
(telinit N or init N) actually does run that script:

(1) Add this line to /etc/rc.d/rc as the first line before the comments:

echo "$(date): $0 $*" >>/tmp/rc.log

(2) Switch runlevels with telinit or init.

(3) Check the file /tmp/rc.log

You'll see that /etc/rc.d/rc is in fact being run during the runlevel
switch:

 Fri Sep 26 17:53:35 EDT 2008: /etc/rc.d/rc 3
 Fri Sep 26 17:54:02 EDT 2008: /etc/rc.d/rc 5

I believe you and yes, it does work.  Doesn't explain why daemons that
should be shut down aren't.  I'll have to investigate this further.
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- Rick Stevens, Systems Engineer                      ricks nerd com -
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-   To understand recursion, you must first understand recursion.    -
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