call a program as an inetd service

Posted on 2003-12-09
Last Modified: 2010-04-21
   i am searching a way to call a program through inetd. I do not know if  i can use a script so that the inetd calls as service the correspond script and the script then calls the program. Nevertheless i would appreciate a help on this puzzle.

Question by:ttsenis
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LVL 51

Expert Comment

ID: 9904671
any executable can be called from inetd, as long as it does not  access ttys and terminates succesfull

Author Comment

ID: 9905956
Well to be more precise my main interest is to run the program through an inetd script so in case of a program failure (program terminates) to restart it again. So the main interest is to run a script as a daemon and the script to call the program. In a case descriped above do i still have the limitation of not accessing the ttys. Also a second matter is the port. Does inetd calls the script in case a demand appears at the specified port, are it calls it at boot time.

   Regards Teo.
LVL 51

Expert Comment

ID: 9906048
> .. program failure (program terminates) to restart it again.
that's what inetd is for !

> Does inetd calls the script in case a demand appears at the specified port?

>  are it calls it at boot time.
depends, see above

Expert Comment

ID: 9912365
"so in case of a program failure (program terminates) to restart it again. "

are the progam(s) to be restarted network apps?
LVL 40

Accepted Solution

jlevie earned 50 total points
ID: 9912377
Hmmm, inetd only runs a program when a connection is opened to the port associated with the service. So if the program is managed by inetd it will only be started when someone connects to the port. If the program exits for some reason inetd will not re-start it until the next incoming connection. If your goal is just to always have this program running you need to look into running it from inittab.

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