Daemons startup order

[Sasa Stupar]

Mike Klinke wrote:
> On Saturday 06 August 2005 07:50, Sasa Stupar wrote:
> 
>>Hi!
>>
>>I am getting a warrning on sendmail start that it is missing
>>spamass.sock. OK, I have spamass-milter configured and it is
>>running fine but how do I make it start before sendmail on FC4?
>>Now spamassassin and spamass-milter are starting after sendmail.
>>So I need to start daemons in the following order:
>>spamassassin
>>spamass-milter
>>sendmail
> 
> 
>  
> Navigate to /etc/init.d and take a look at the files there.  Most
> files will have lines at the beginning that looks like this:
> 
> #! /bin/bash
> #
> # chkconfig: 2345 10 91
> # description: start and stop ISDN services
> #
> 
> In this case the chkconfig line says that this utility will have a
> start priority of "10" and stop priority of "91".  See "man
> chkconfig" for a explanation of this header.
> 
> For example, take a look a my isdn utility at all run levels:
> 
> # chkconfig --list | grep isdn
> isdn     0:off   1:off   2:off   3:off   4:off   5:off   6:off
> 
> and looking at the indvidual entries in the /etc/rc.d/* directories
> you can see the corresponding files:
> 
> # ls -Rw 1 /etc/rc.d/*/*isdn*
> /etc/rc.d/init.d/isdn
> /etc/rc.d/rc0.d/K91isdn
> /etc/rc.d/rc1.d/K91isdn
> /etc/rc.d/rc2.d/K91isdn
> /etc/rc.d/rc3.d/K91isdn
> /etc/rc.d/rc4.d/K91isdn
> /etc/rc.d/rc5.d/K91isdn
> /etc/rc.d/rc6.d/K91isdn
> 
> Now, start isdn on runleves 3, 4, and 5:
> 
> # chkconfig --levels 345 isdn on
> 
> # chkconfig --list | grep isdn
> isdn    0:off   1:off   2:off   3:on    4:on    5:on    6:off
> 
> # ls -Rw 1 /etc/rc.d/*/*isdn
> /etc/rc.d/init.d/isdn
> /etc/rc.d/rc0.d/K91isdn
> /etc/rc.d/rc1.d/K91isdn
> /etc/rc.d/rc2.d/K91isdn
> /etc/rc.d/rc3.d/S10isdn
> /etc/rc.d/rc4.d/S10isdn
> /etc/rc.d/rc5.d/S10isdn
> /etc/rc.d/rc6.d/K91isdn
> 
> Now I want to start isdn at a differnt priority, say 9 instead of
>  10 ( a tad sooner ):
> 
> Edit /etc/init.d/isdn to look like this:
> 
> #! /bin/bash
> #
> # chkconfig: 2345 9 91
> 
> and now use chkconfig to re-do the files:
> 
> # chkconfig --levels 345 isdn on
> 
> # ls -Rw 1 /etc/rc.d/*/*isdn
> /etc/rc.d/init.d/isdn
> /etc/rc.d/rc0.d/K91isdn
> /etc/rc.d/rc1.d/K91isdn
> /etc/rc.d/rc2.d/K91isdn
> /etc/rc.d/rc3.d/S09isdn
> /etc/rc.d/rc4.d/S09isdn
> /etc/rc.d/rc5.d/S09isdn
> /etc/rc.d/rc6.d/K91isdn
> 
> 
> And now you can see that the files in rc3.d, rc4.d, and rc5.d have
>  a priority value of 9 instead of 10 and are started just a tad
>  sooner.
> 
> Take a look at the doc's here for more explanation:
> 
> http://www.redhat.com/docs/manuals/enterprise/RHEL-4-Manual/sysadmi
> n-guide/ch-services.html#S1-SERVICES-RUNLEVELS
>  http://www.redhat.com/docs/manuals/enterprise/RHEL-4-Manual/ref-gu
> ide/s1-boot-init-shutdown-sysv.html
>  http://www.linuxvoodoo.com/resources/howtos/sysvinit/
> 
> 
> Regards, Mike Klinke
> 

Thanx Mike. This was very good explanation. Now I can configure my 
daemons boot order.

Regards,
Sasa