KB Parallels: No utmp/wtmp logging for ssh on Redhat AS4 (CentOS 4) based container.

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No utmp/wtmp logging for ssh on Redhat AS4 (CentOS 4) based container.

Article ID: 1146

Last Review: Mar, 23 2009

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Virtuozzo for Linux 3.x

Resolution

Users logged in a container via ssh are not showing up in w/who commands.

This is related to PAM authentication. Virtuozzo kernel does not support audit.
sshd in Redhat AS4-u3 (CentOS 4.3) is trying to connect to kauditd socket using NETLINK.
This operation fails and thus sshd is not adding the record to utmp.
It is a bug in Redhat's patch to sshd.

As a workaround you may set the following settings in /etc/ssh/sshd_config:

UsePAM no
UseLogin yes

After that you need to restart sshd:

/etc/init.d/sshd restart

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No utmp/wtmp logging for ssh on Redhat AS4 (CentOS 4) based container.

Resolution

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