"HTTPD dead but PID exists", your disk space is either full or all IPCS semaphores have been used up.
ipcs -s | awk ' $3 == "apache" {print $2, $3}' | awk '{ print $1}' | while read i; do ipcrm sem $i; done
Clean up ipcs semaphores
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2 comments:
Thank you very much ... You are the only one that I found with this information after fruitlessly searching google for about 2 hours!
I also found a slight mod of your one liner to be useful to remove segments in general:
ipcs -m | awk ' $3 == "some_id" {print $2, $3}' | awk '{ print $1}' | while read i; do ipcrm -m $i; done
for semid in `ipcs -s | grep nobody | cut -f2 -d" "`; do ipcrm -s $semid; done
This is the best way to do what you are saying
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