[rhn-users] shutdown services when upgrading

[James Harrison]

try:

man rpm


--- Jim Pelton <jpelton at noaa.gov> wrote:

> Curtis and Rich,
> 
> Thanks for your help, that answered some questions about rpm I've been 
> wondering about for a while. Of course, the answers where just a man 
> page away! Thanks again, have a nice weekend.
> --Jim
> 
> Curtis Doty wrote:
> 
> > Rich Graves wrote:
> >
> >> On Fri, 10 Jun 2005, Jim Pelton wrote:
> >>  
> >>
> >>> So I'm trying to develop a good strategy for updating (with up2date) 
> >>> some web servers and several other production level boxes.  My 
> >>> question arose out of the need to update httpd on the web farm.  If 
> >>> I go ahead and update, will the rpm %pre and %post scripts (or 
> >>> whatever does this type of thing) shutdown the httpd service, update 
> >>> and then bring it back up?
> >>>   
> >>
> >> You can choose not to run scripts by giving rpm the --noscripts option.
> >>
> >> I'm not entirely sure what the $1 below refers to. I do know that just
> >>  
> >>
> > Wrongheaded.
> >
> >> about every time I update bind, it has done the wrong thing, both 
> >> stopping
> >> the service and removing it with chkconfig. So I'd test it if I were 
> >> you.
> >>
> >> preuninstall scriptlet (using /bin/sh):
> >> if [ $1 = 0 ]; then
> >>        /sbin/service httpd stop > /dev/null 2>&1
> >>        /sbin/chkconfig --del httpd
> >> fi
> >>  
> >>
> > The $1 is the first positional parameter passed to the script. Which 
> > is defined as the number of instances of the httpd rpm currently 
> > installed--*after* the old instance is removed. Therefore $1 will 
> > never equal 0 when you are updating.
> >
> > ../C
> >
> Thank you very much! Monday morning
> 
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> 


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