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Full Discussion: Daemonizing Problem - Serious
Special Forums UNIX and Linux Applications Daemonizing Problem - Serious Post 302808833 by DGPickett on Friday 17th of May 2013 03:29:53 PM
Old 05-17-2013
It is nice if a daemon has 1 as parent, by a killed parent shell. But a true daemon should not be in an interactive process group or related to a controlling terminal, so I often launched mine with at, crontab (auto restart as a bonus) or an ssh nohup that kills ssh after the nohup, or off an xtern that I then kill. Of course, it you have root you can have init.d or some daemon manager like src launch it for you on boot.

I used to lose my Xserver's mwm from ctrl-c SIGINT on the launching xterm; drove me nuts until I used the first xterm to launch everything and then killed it, making them all orphans, or devoted it to top.
 

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LEARN ABOUT OPENSOLARIS

scprivipd

scprivipd(1M)						  System Administration Commands					     scprivipd(1M)

NAME

       scprivipd - Sun Cluster Private IP address service daemon

SYNOPSIS

       /usr/cluster/lib/sc/scprivipd

DESCRIPTION

       Sun  Cluster private IP addresses can be assigned to non-global zones by using the scconf command or the clnode command. The scprivipd dae-
       mon is a server daemon that is used for the management of these private IP addresses that are assigned to non-global zones.  The  scprivipd
       daemon  is  started  at	system	boot time. It is used to configure or unconfigure the private IP addresses that are assigned to non-global
       zones on zone boot or shutdown or as a result of scconf operations.

DIAGNOSTICS

       The scprivipd daemon has no direct stdin, stdout, or stderr connection to the outside. All diagnostic messages are logged through the  sys-
       log function.

NOTES

       The scprivipd daemon must be run in superuser mode.

       The  scprivipd daemon is a Service Management Facility (SMF) service and is started through SMF. Also, if the scprivipd daemon is killed by
       a signal, it is automatically restarted by SMF.

       The SIGTERM signal can be used to kill scprivipd gracefully. Other signals should not be used to kill the daemon.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWscu			   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Private			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       clnode(1CL), scconf(1M), syslog(3C), attributes(5)

Sun Cluster 3.2 						    19 May 2006 						     scprivipd(1M)
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