Zombie session monitoring and usage on one particular account

[Ghazanfar Sheikh]

1) I am trying to find out the usage on one particular account for the last about 10/15 days in a file system. where I go an check?


2) How I can find all the zombie session running on a machine? and what is the best way to prvent this from happening other then manually checking and killing them? Any particaular command syntax / script which I can put in a crobtab?

I appreciate your help in advance.

GS

[BONNAFOUS Jean Marc]

Hi,

2) ps -ef|grep defunct|grep -v grep give you all zombie process.

For killing all these zombies:

for PROCESS in `ps -ef|grep defunct|grep -v grep |cut -d" " -f`
do
kill $PROCESS
done

Problem: the number of PID column depend on the output of ps -ef command. It's 2 or 3.

Rgds
JMB

[A. Clay Stephenson]

By definition, any defunct process is already dead and can't be killed. In UNIX speak, these processes can't respond to a signal. Kill's (yes, even kill -9's) are a waste of time for these processes. Kill is a misnomer and should have really been named 'signal', 'hint', 'request', ... -- but that time is long past.


The real solution to your problem is to not create zombie's in the first place. A very common cause is improper termination of sessions especially when connected to PC client software.

[Steven E. Protter]

The last command will at least give you the login times on a particular account.

last -R | grep username

For more detailed reporting you may want to make your system trusted and fine tune the audit reports and data collection to provide the details you desire.

SEP

[Ghazanfar Sheikh]

Thanks for your help.

Regards,
GS