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Old 09-30-2009, 07:31 AM   #1
hiarunn
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How to track the user sessions


I'm using LDAP and kerberos for user authentication. All I want to know is how to track the users currently logged on from a common location. I was thinking of having a script to write the $USER,$HOSTNAME,login/logout time, hours used etc on a NFS mount, but don't know where to call the script so that it will be executed whenever an user logs in / logs out. I'm using Gnome desktop manager.

Thanks in advance.

--
Arun
 
Old 09-30-2009, 08:54 PM   #2
half_life1052
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If you want to track who is logged in to your machine, just use the "w" command. To keep it updating you would use a command such as "watch -n2 w". This will show who is logged in, and what they are doing. It will update every 2 seconds "-n2" . To find out historically who has logged in, the "last" command will help you.
 
Old 10-01-2009, 12:00 AM   #3
hiarunn
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The command "w" or "last" is useful when you want to know who is currently logged into a particular system. But in my setup there are 250+ workstations. I should be able to see who logged into to each system. The output of the script/cmd should be something like below

Host User Login_time logout_time
------------------------------------
host1 userA 10:30 Still logged in
host2 userB 09.15 12:10
host3 userX 11.30 Still logged in

This should get updated everytime a user login/logout.
 
Old 10-07-2009, 08:02 AM   #4
hiarunn
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I found the way to do this. I wrote a simple shell script to log the hostname, user name and login/logout time to a plain text file and append the lines to /etc/X11/gdm/PostLogin/Default file to log when a user logs in and /etc/X11/gdm/PostSession/Default can be used when a user quits the session. The information can be directed to a text file on the network mount or to a remote database.
 
Old 12-02-2009, 12:07 AM   #5
bharatlalgupta
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Question i want to know ur linux script

hello hiarunn
can u tell me ur linux shell script for me ..........


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