[rhelv6-list] cannot su to any users, cannot login via console.

[Vu Pham]

On 06/09/2014 09:07 AM, Gianluca Cecchi wrote:
> On Mon, Jun 9, 2014 at 3:11 PM, Vu Pham <vu at sivell.com 
> <mailto:vu at sivell.com>> wrote:
>
>     System: RHEL 6.5
>
>     Although I can log in to non-root users via ssh, I cannot su to
>     any users, root or non-root. When using su, after typing in the
>     user name, the su command just hangs there without the password
>     prompt.
>
>     When trying to login from the console, the password prompt never
>     shows, and after a few minutes, the screen is cleared and the
>     login prompt shows again.
>     I cannot log in to root via ssh, because it is disabled by the
>     sshd config file.
>
>
>     top shows dbus-daemon get %100 CPU.
>
>     Any help is greatly appreciated.
>
>     Thanks,
>     Vu
>
>
> Do you have ldap configured on your system perhaps?
> In that case you could have a problem with it causing the problem...
> because messagebus runs as dbus local user
>
> In that case, if not already there, you could put inside 
> /etc/nslcd.conf a line to ignore group membership lookups for dbus
>
> nss_initgroups_ignoreusers root,ldap,named,.....,dbus
>
> the "...." above is to be substituted with a comma seprated list of 
> other local users you want not to make lookup for.
>
> if you can make that change you can start in single user mode and 
> change from there.
> Also, during boot you could have problems with messagebus service to 
> start and proceed the boot because of this.
> There are other parameters to tune config files in case of problems 
> with ldap.... if this is the problem
>
> HIH,
> Gianluca
>

Gianluca,

Thank you for your reply.
No, I do not use ldap on this server. This server just uses the default 
login with the  default settings of pam.d.

Vu
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