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Shell Programming and Scripting

Allert when a certain user logs in

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# 1  
Old 10-17-2010
Allert when a certain user logs in
hi there
i am new to the unix environment and im trying to write a script that will alert me when a certain user logs in.
help is appreciated thank you
# 2  
Old 10-17-2010
you can start from who |grep USERID
# 3  
Old 10-18-2010
That'll just tell the OP who's logged in now. I think what is asked for, is a script that will log or perhaps send mail when someone logs in.
Przemekny, You'll have to monitor certain logfiles, I don't know which ones, google ought to help you there,

Edit: It looks as if programs called last or lastlog might help.
Last edited by kurtdriver; 10-18-2010 at 02:44 AM..
# 4  
Old 10-18-2010
Hi przemekny
What kind of alert you are looking for. Is it sending through mail or at the prompt only.
# 5  
Old 10-18-2010
if you have audit daemon turned on (depending on what OS also)
Code:
man ausearch

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