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Why does the last command does not display hostname for some logins?

The last command on one of our development systems does not display the hostname for some of our logins, and there is not a corresponding entry for a login in /var/log/messages. What could cause this?

alex     pts/1        chico.pao.efront Tue Jun 10 14:47 - 17:39  (02:51)
alex     pts/1        chico.pao.efront Tue Jun 10 11:43 - 11:44  (00:00)
release  pts/4                         Tue Jun 10 05:40 - 05:46  (00:05)
release  pts/2                         Tue Jun 10 05:40 - 05:46  (00:05)
release  pts/0                         Tue Jun 10 05:40 - 05:46  (00:05)
release  pts/12                        Tue Jun 10 05:40 - 05:46  (00:05)
release  pts/3                         Tue Jun 10 05:40 - 05:46  (00:05)
release  pts/10                        Tue Jun 10 05:40 - 05:46  (00:05)
release  pts/11                        Tue Jun 10 05:40 - 05:46  (00:05)
release  pts/7                         Tue Jun 10 05:40 - 05:46  (00:05)

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SOLUTION

Pétur Ingi Egilsson

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mikronixx

ASKER

interesting: i get the following with last -i:

release pts/5 0.0.0.0 Tue Jun 17 09:58 - 10:13 (00:15)
release pts/1 0.0.0.0 Tue Jun 17 09:58 - 10:13 (00:15)

i do not get multicast addresses.

no user should be able to login from the console. This box is in a locked server room

Pétur Ingi Egilsson

What is the purpose of the "release" user?

ASKER CERTIFIED SOLUTION

omarfarid