How to clear defunct processes?? Post: 302754005

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1. UNIX for Dummies Questions & Answers

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When I ps -ef I see about 3 or 4 <DEFUNCT> things - what are these, and what causes them? Are they a concern? How can I fix them? Thanks, Michael

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how do I kill defunct processes?

mqm 17700 16815 0 0:00 <defunct> kill -9 does not work, even as root

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Question about defunct processes

Hey guys/gals. I am new to the site and fairly new to Unix/Linux. I have a master netbackup server (solaris) that I get pinged on occasionally regarding defunct processes. (Usually over 50 or so of them.) I know what a defunct process is, but what is it a product of? Just plain sloppy code? (From...

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whats the difference between zombie orpha and defunct processes

can some one please explain zombie orphan defunct and how they r related

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Hi, Can any one help me to get rid of defunct process on UNIX IBM AIX box. These processes started when the system was rebooted almost after 1 1/2 years. Once one defunct process is created then all the user ids get infected and in turn creates numerous defunct processes. We have tried...

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defunct vs running

hello everybody! Is there any way to identify if a process is defunct or if it is still running? (in C). for example: by using a signal such as SIGCHLD? thanx in advance

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Hi All, Sorry to bother you all if my query is silly. Can you please clarify my doubts on defunct processes. Actually coming to the scenario, i have a server which is under cluster environment. Server B is having problems with the defunct process. There was a cron scheduled on Server B which...

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Dear Sir / Madam, We have two socket programs which are running in background. These two socket programs are creating defunct processes in HP-UX which were not happening in Compaq True64 UNIX. What is the root cause of these defunct processes and how can we correct it? Your suggestion will be...

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defunct processes?

HiI had a tool fail recently, on analysis I found it was cleaning up orphaned directories that had been created by specific processes that had died for some reason, thus failing to clean up after themselves.The directories were of the form /dir.pid. The tool would look to see if any instances of...

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I'd like to remove this defunct processes without rebooting. Or, I could remove this defuncts when the maximum allowable process is nearly reached, then send an email to the user/team. How can I determine the maximum allowable process that a server can handle? Any thoughts? Jin@PRODUCTION: >...

LEARN ABOUT MINIX

reboot

REBOOT(8)						      System Manager's Manual							 REBOOT(8)

NAME

       reboot - reboot the system immediately

SYNOPSIS

       reboot [-f]

DESCRIPTION

       Reboot  can  be	used  to  reboot  the  system  after  installing a new kernel.	It does not inform the users, but does log it's actions in
       /usr/adm/wtmp and /usr/adm/authlog.  The system is then rebooted with the reboot(2) systemcall.

       If the -f flag is not given then all processes are sent terminate signals to give them a chance to die peacefully before the reboot() call.

       If the wtmp file exists, reboot logs itself as if it were a shutdown.  This is done to prevent last(1) from talking  about  system-crashes.
       Reboot is registered as is in the authlog file.

       Reboot can only be executed by the super-user.  Any other caller will be refused, either by reboot(8) or by reboot(2).

SEE ALSO

       reboot(2), shutdown(8), halt(8), boot(8).

BUGS

       The  error message's given by reboot are not always useful.  There are several routines that can fail, but which are not fatal for the pro-
       gram.

AUTHOR

       Edvard Tuinder (v892231@si.hhs.NL)

																	 REBOOT(8)

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whats the difference between zombie orpha and defunct processes

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