[olug] services

[mesc]

       Ok now I see  why there are directories named rc2.d,rc3.d.rc4.d and
rc5.d with almost identical scripts in them,for the differents runlevels.wooooo
hoooo I'm learning now....:) Thanks for your input Mark,it makes sense,I'll
remember it.

                Thank you again,Gary Martin

"Mark A. Martin" wrote:

> I would like to suggest an alternative to something that Daniel said.
> The usual way to keep a particular facility from starting when entering
> a particular run-level is to change the uppercase "S" at the beginning
> of the name of the symbolic link to a lowercase "s" rather than removing
> the link altogether.  If you never start a facility, you probably don't
> want to try to stop that facility when you shutdown either (although it
> won't hurt anything).  So you should also rename the corresponding kill
> link, if there is one (possibly in /etc/rc.d/rc0.d), so that its name
> starts with a lowercase "k" rather than an uppercase "K".  You should
> only do this if there is a kill link for the facility in directory for
> the same run level you are modifying or if you have turned the facility
> off in all run-levels.  This approach allows you to preserve the links,
> in case you change your mind and decide that you want the facility to
> start in a given run-level after all, and is a record that lets you know
> what should (or could) start (and/or stop) in a given run-level.
>
> For example, if I don't want the font server xfs to start in run-level
> 5, I will change the name of /etc/rc.d/rc5.d/S90xfs to
> /etc/rc.d/rc5.d/s90xfs.  There is no corresponding kill link in rc5.d
> and the font server on my system still starts in run-levels 2, 3, and 4
> so I would not rename the kill links in rc0.d, rc1.d, and rc6.d.  This
> allows the font server to cleanly stop if I shut down from run-level 2,
> 3, or 4.
>
> If I never wanted the font server to start, I would rename the start
> links
>
> /etc/rc.d/rc2.d/S90xfs
> /etc/rc.d/rc3.d/S90xfs
> /etc/rc.d/rc4.d/S90xfs
> /etc/rc.d/rc5.d/S90xfs
>
> to
>
> /etc/rc.d/rc2.d/s90xfs
> /etc/rc.d/rc3.d/s90xfs
> /etc/rc.d/rc4.d/s90xfs
> /etc/rc.d/rc5.d/s90xfs
>
> and rename the kill links
>
> /etc/rc.d/rc0.d/K10xfs
> /etc/rc.d/rc1.d/K10xfs
> /etc/rc.d/rc6.d/K10xfs
>
> to
>
> /etc/rc.d/rc0.d/k10xfs
> /etc/rc.d/rc1.d/k10xfs
> /etc/rc.d/rc6.d/k10xfs.
>
> When making these kinds of changes, keep the purposes of the different
> run-levels in mind.  From the comment at the beginning of /etc/inittab,
> the meanings of the different run-levels are
>
> #   0 - halt (Do NOT set initdefault to this)
> #   1 - Single user mode
> #   2 - Multiuser, without NFS (The same as 3, if you do not have
> networking)
> #   3 - Full multiuser mode
> #   4 - unused
> #   5 - X11
> #   6 - reboot (Do NOT set initdefault to this)
>
> See a good systems administration reference such as "Essential Systems
> Administration" by AEleen Frisch, O'Reilly and Associates, for further
> details of System V initialization.
> --
> ---------------------------------------------------------------------------
> Mark A. Martin                                  Dept of Applied Mathematics
> http://www.amath.washington.edu/~mmartin        University of Washington
> ---------------------------------------------------------------------------
>
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