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Help Needed using utmp file! Help Needed using utmp file!
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Old 10-01-2007
maverixxx maverixxx is offline
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Help Needed using utmp file!
Hi.

I am working on a small assignment where i need to extract the login information of currently logged in users in a Linux client-server environment.I am able to extract only the userID,IP/HOST name,TTY,device name,GID,PID and login time using the structure 'utmp'.Also when i am saving the inforamtion in a particular file the GID and PID columns are blank in the saved file.Can Anyone explain why?..

Also i want to also display the information about the last access time of a user.Can this be done??.

Please Help!!:
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Old 10-01-2007
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sysgate sysgate is offline Forum Advisor  
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Join Date: Nov 2006
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Posts: 1,318
How exactly you are using utmp ? locate on my local Fedora produces :
Quote:
locate utmp
/usr/bin/utmpdump
/usr/include/utmp.h
/usr/include/utmpx.h
/usr/include/bits/utmp.h
/usr/include/bits/utmpx.h
/usr/sbin/dump-utmp
/usr/share/doc/vte-0.14.2/utmpwtmp.txt
/usr/share/dstat/dstat_utmp.py
/usr/share/dstat/dstat_utmp.pyc
/usr/share/man/en/man5/utmp.5.gz
/usr/share/man/man0p/utmpx.h.0p.gz
/usr/share/man/man3/utmpname.3.gz
/usr/share/man/man5/utmp.5.gz
/var/run/utmp
Which one you are using and how ? Why not use "finger" "last" "who" ?
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Old 11-11-2008
alif alif is offline
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Join Date: Nov 2008
Posts: 8
Question
i also have problem like yours

i also want to get users list and their login time, but i can't use utmp,

i think you can use utmp, can't you?

would you like to show me the code use utmp to get the users name and etc?

thanx
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