[TriLUG] startup scripts, sendmail

[Richard O. Hammer]

Thank you, Benjamin.  That's what I needed.

Rich Hammer

Benjamin Reed wrote:
> 
> Richard O. Hammer [ROHammer at EarthLink.net] wrote:
> > Thank you, Benjamin,
> >
> > In addition to getting the job done, I'm also trying to
> > understand what is happening.  Guess I'll go read the
> > chkconfig man page.
> 
> Basically, chkconfig manages /etc/rc#.d files automatically, instead
> of having to add/remove the links manually.  Every chkconfig-compatible
> init script has a little header that says what runlevels it should be
> in by default and what number it gets in the list, along with some other
> miscellaneous information, like:
> 
> #!/bin/bash
> #
> # chkconfig: 2345 85 15 <--- the important line!!!
> # description: GPM adds mouse support to text-based Linux applications such \
> #              the Midnight Commander. Is also allows mouse-based console \
> #              cut-and-paste operations, and includes support for pop-up \
> #              menus on the console.
> # processname: gpm
> # pidfile: /var/run/gpm.pid
> # config: /etc/sysconfig/mouse
> 
> This means that if you run 'chkconfig gpm on', it will make an S85gpm file
> in runlevels 2, 3, 4, and 5, to tell it to start, and a K15gpm file in
> the rest (runlevels 0, 1, and 6) to tell it to stop.
> 
> It's not anything you can't do by hand (which is how it used to be done,
> usually =) but it simplifies keeping track of it.  You can also do stuff
> like:
> 
>         chkconfig --level 45 gpm off
> 
> ...if don't want gpm to start in runlevels 4 and 5 anymore, and it will
> Do The Right Thing.  And the really handy part:
> 
>         chkconfig --list
> 
> ...which gives you a list of all the different scripts that are turned
> on in each runlevel.
> 
> Quite handy.  =)
> 
> This way you're not fiddling with the files themselves, which is usually
> a no-no unless you really know what you're doing.  You're much better off
> enabling/disabling a package's init script than editing it to remove the
> part that actually starts that package up, but still leaving the init
> script turned "on", as far as init is concerned.
> 
> --
> Ben Reed a.k.a. Ranger Rick (ranger at befunk.com)
> http://defiance.dyndns.org/ / http://radio.scenespot.org/
> It's ... clear that many self-identified "programmers" on /. are <ahem/>
> "HTML programmers," the rodeo clowns of our profession. -- cthlptlk
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