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Full Discussion: Init scripts missing . . .
Top Forums UNIX for Dummies Questions & Answers Init scripts missing . . . Post 302834485 by rbatte1 on Friday 19th of July 2013 04:58:04 AM
Old 07-19-2013
We've had a similar problem where an archiving job was failing in the batch with a permissions issue. We changed it to run as root forgetting that it meant a different home directory and therefore an input file was not found. The knock on effect meant that we managed to move /dev, /etc, /opt ...... into an archive area. Very difficult to recover because you could not start a new session (/etc/passwd was not there of course) but with luck someone had a session as root that we could manipulate enough to recover, putting back /etc & /dev first and we could get more people logged on to investigte and restore.

The upshot is that your incident won't have happened by bad luck, sunspots or whatever, there has been an action taken to remove things. It may have been a mis-typed command, or an ill designed batch job where a small change has had catastrophic consequences.

Depending how paranoid your auditing is, you may have logged something, maybe not. We were able to work out what it was based on the time batch jobs started failing to start and the jobs already running, so we got lucky. We also had a bootable image on DVD to restore from if necessary.

Whilst you may be able to recover (or go to your full restore/DR plan) you need to determine what happened to prevent a recurrence.


Robin
Liverpool/Blackburn
UK
 

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LEARN ABOUT HPUX

reboot

reboot(2)							System Calls Manual							 reboot(2)

NAME

       reboot - boot the system

SYNOPSIS

DESCRIPTION

       causes the system to reboot.  howto is a mask of reboot options (see specified as follows:

	      A file system sync is performed (unless
				  is set) and the processor is rebooted from the default device and file.

	      The processor is simply halted.
				  A sync of the file system is performed unless the flag is set.  should be used with caution.

	      On systems with cellular architecture, all cells in the partition are
				  rebooted  in order to reconfigure the stable complex configuration data.  On systems with non-cellular architec-
				  ture, the default is A sync of the file system is performed unless the flag is set.

	      Shut down the system firmware to a "ready to reconfigure" state and do not
				  reboot.  This option can be used only in combination with

	      A sync of the file system is not performed.

       Unless the flag has been specified, reboot(2) unmounts all mounted file systems and marks them clean so that it will not  be  necessary	to
       run fsck(1M) on these file systems when the system reboots.

       Only users with appropriate privileges can reboot a machine.

RETURN VALUE

       If successful, this call never returns.	Otherwise, a -1 is returned and is set to indicate the error.

ERRORS

       fails if this condition is encountered:

	      [EPERM]		  The effective user ID of the caller is not a user with appropriate privileges.

DEPENDENCIES

       The default file and device for is on the current root device.

AUTHOR

       was developed by HP and the University of California, Berkeley.

SEE ALSO

       reboot(1M), privileges(5).

																	 reboot(2)
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