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Old 01-25-2006, 06:38 AM   #1
raj_deep2k1
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automatic executing shell script at booting


Hello all,
I want to execute automatically a shell script at booting time whenever i start the server.
how can i do this,plz help me in hurry

-rajendra

Last edited by raj_deep2k1; 01-25-2006 at 07:16 AM.
 
Old 01-25-2006, 07:17 AM   #2
Agrouf
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You have 6 levels of boot time.
startup scripts are located in /etc/rc.d/rc%.d (where % is the run level).

/etc/rc.d/rc0.d/ Shutdown
/etc/rc.d/rc1.d/ Single user
/etc/rc.d/rc2.d/ Multiuser (no network)
/etc/rc.d/rc3.d/ Full multiuser - text console
/etc/rc.d/rc4.d/ Reserved
/etc/rc.d/rc5.d/ X fully functional
/etc/rc.d/rc6.d/ Reboot

Create your script in /etc/rc.d/init.d or in /etc/init.d (depending on your distro)
Then add a soft link in each run level to this script. the soft link name must begin with a 'K' or a 'S'. It is starts with a 'K', it means that the service must be stopped in this run level. With a 'S', it must run.
Practically, the init process will run all the scripts localted in the run level directory at each run level with 1 argument. This argument is 'start' or 'stop', depending if the script's first letter is 'K' or 'S'.
 
Old 01-25-2006, 07:22 AM   #3
Agrouf
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If you want something simpler :
Try to find a script in /etc/init.d or /etc/rc.d/init.d where you can add your script at the end.
For instance, if your script is about the network, you probably want it to run in levels 3, 4 and 5. There is probably a network starting script in /etc/init.d probably called network which is probably already soft linked in the right run level directories. Just add a call to your script at the end.
 
Old 01-25-2006, 07:36 AM   #4
raj_deep2k1
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Quote:
Originally Posted by Agrouf
If you want something simpler :
Try to find a script in /etc/init.d or /etc/rc.d/init.d where you can add your script at the end.
For instance, if your script is about the network, you probably want it to run in levels 3, 4 and 5. There is probably a network starting script in /etc/init.d probably called network which is probably already soft linked in the right run level directories. Just add a call to your script at the end.
thanks a lot
-Rajendra
 
  


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