Re: RHES4 box does not prompt for password afterentering login id at console

sunhux G <sunhux@xxxxxxxxx> · Sun, 10 Oct 2010 03:13:42 +0000

Thanks very much chap, finally in the wee morning hours, I decided
to power-cycle (as can't even login to do reboot) the box & it came
up fine.  No eventful messages found in /var/log/messages file

Thanks
U

On Fri, Oct 8, 2010 at 11:00 PM, Kit Gerrits <kitgerrits@xxxxxxxxx> wrote:

The error:

SCSI0 (0:0) : rejecting I/O to offline device
means that one of the disks has failed.

If the /var/ filesystem resides on this disk, the security 
logs become unwritable and the system refuses log-ins.

The physical terminal is usually the most fail-safe way to 
log in (it has the most overrides.
If this fails (as it appears to have done, 
you could try rebooting, to see if the disk will come back (it sometimes 
does).

Otherwise, I fear you may need to swap out the disk and 
restore (or reinstall) what was on there.

Regards,

Kit

From: linux-cluster-bounces@xxxxxxxxxx 
[mailto:linux-cluster-bounces@xxxxxxxxxx] On Behalf Of sunhux 
G
Sent: vrijdag 8 oktober 2010 19:31
To: linux 
clustering
Subject: Re:  RHES4 box does not prompt for 
password afterentering login id at console

Pressing Ctrl-Alt-Fx   where x is one of the numbers,
I got into another virtual console which showed the message:

SCSI0 (0:0) : rejecting I/O to offline device

Is the above message related to the login issue?

I've just managed to login to another Linux box on the same subnet
& tried "ssh -v a_userid@problem_Linux_box_address" & the 
remote
connection was closed, screen display is as follows :

[root@svrname ~]# ssh -v myuserid@xxxxxxxxxx
OpenSSH_3.9p1, OpenSSL 0.9.7a Feb 19 2003
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: Applying options for *
debug1: Connecting to 172.16.x.y [172.16.x.y] port 22.
debug1: Connection established.
debug1: permanently_set_uid: 0/0
debug1: identity file /root/.ssh/id_rsa type -1
debug1: identity file /root/.ssh/id_dsa type -1
ssh_exchange_identification: Connection closed by remote host

ping to the problem box is Ok

On Sat, Oct 9, 2010 at 12:36 AM, sunhux G <sunhux@xxxxxxxxx> 
wrote:

  I have a Dell 1850 box running  RHES4.6 with Tomcat 5.5.17
  and Opinion 5.2.9 : tonight the Dataprotector centralized backup
  failed to backup via this server's NIC.

  After entering root at the login: prompt, the console screen clears
  & it's back with the login prompt again without prompting 
  for 
  password.

  I would not want to reboot this box if possible as it's production.

  Haven't tried ssh into it yet but anyway, I only recall there's 
root
  login id in this box, there's no other login id & since it's a 
  hardened
  box, I can't ssh into this box using root.

  any other idea?

  There's no alert from the monitoring tool (which usually we'll get 
  if
  the filesystem or memory utilization or CPU exceeded the 
  defined 
  thresholds or ping fails to this box).

  TIA
  U

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