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-   -   Cron/Sendmail Defunct Processes (http://www.linuxquestions.org/questions/ubuntu-63/cron-sendmail-defunct-processes-603966/)

Schiz0 12-02-2007 02:49 PM

Cron/Sendmail Defunct Processes
 
Hey everyone,

I have a cron script ( http://pastebin.ca/803903 ). I edited crontab using "crontab -e" and added the line ( http://pastebin.ca/803905 ). I DO have sendmail installed and running (I have send emails successfully from command line and also php scripts).

My problem is as follows: When the anope services daemon is not running, the cron script starts it, and outputs some text (Which I want to to be emailed to me). But cron opens up defunct zombie processes for sh and sendmail and I must kill the cron process.

The output of "ps -ef" showing the defunct processes is at http://pastebin.ca/803916
The sendmail process stays there until I kill the "/USR/SBIN/CRON" process.

How can I solve this? All I want is to be emailed when the services daemon isn't found. I'm running Ubuntu 7.10 Gusty.

unSpawn 12-02-2007 07:32 PM

If there's no errors in the services log, then what happens if you change the "./$ANOPROG" line to "exec ./$ANOPROG"? BTW this script is different from the default one in Anope 1.6.5? And the 6 line "if [ `ps auwx | grep $ANOPROG" if statement can be replaced with one "pgrep -f "ANOPATH/$ANOPROG 2>&1>/dev/null" && exit 0".

Schiz0 12-02-2007 08:43 PM

Well the issue isn't the fact that the services aren't starting or anything. I just want to be emailed with the output of the cron script. Instead of getting emailed, cron creates zombie sendmail processes which never die or send the email.

I tested this by manually stopping the services, then waiting 10 minutes for the cron script to run. The cron script runs, and the services start back up, but I never get the email from the output of the cron script. The sendmail process that started from cron freezes up somehow for some reason and becomes a defunct zombie process.

Basically all I want is to be notified with the output of cron. I don't know if this is a cron problem or a sendmail problem.

I actually switched from sendmail to exim4 after making that original post, and it does the same exact thing.


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