[SunRescue] PROM password issues.

Bill Bradford rescue at sunhelp.org
Tue Feb 27 07:07:19 CST 2001


Passed the tests for QA for a 10, but not quite a 20... 8-)
Bill

On Tue, Feb 27, 2001 at 07:28:30AM -0500, Ken Hansen wrote:
> Now there is an odd/unusual machine! ;^)
> 
> Ken
>   -----Original Message-----
>   From: rescue-admin at sunhelp.org [mailto:rescue-admin at sunhelp.org]On Behalf
> Of walubank at hotmail.com
>   Sent: Tuesday, February 27, 2001 11:22 AM
>   To: rescue at sunhelp.org
>   Subject: Re: [SunRescue] PROM password issues.
> 
> 
>   You are right Ken, I have 2 sun sparc 19 barebone for $50.00 each.
> 
>   wally
> 
> 
> 
>   >From: "Ken Hansen"
>   >Reply-To: rescue at sunhelp.org
>   >To:
>   >Subject: Re: [SunRescue] PROM password issues.
>   >Date: Mon, 26 Feb 2001 22:21:37 -0500
>   >
>   >So where are you now? It seems like you have an SS/10 with another boot
> disk
>   >(why?) that can not reset the eeprom.
>   >
>   >I guess what you are trying to do is login to the machine as root user,
> then
>   >as root user get around the password protection in the eeprom and reset
> it,
>   >correct?
>   >
>   >It would seem to me that Sun would have thought of that option, and
> blocked
>   >it (put a signature in the drive tied to the password?) - can you boot
> the
>   >OS CD-ROM? Would that get you anywhere?
>   >
>   >What if you swap NVRAM/EEPROM for one without a password, then boot into
>   >root and switch chips while running?
>   >
>   >Or re-install the OS, then put back the protected NVRAM/EEPROM?
>   >
>   >You know, you can get a new (to you) SS/10 base for very little money,
>   >without a password in NVRAM... (SS/10 base for $45 at
>   >http://www.compsyscon.com/prod05.htm )
>   >
>   >HTH,
>   >
>   >Ken
>   >----- Original Message -----
>   >From: "Tim Harrison"
>   >To:
>   >Sent: Monday, February 26, 2001 9:11 PM
>   >Subject: [SunRescue] PROM password issues.
>   >
>   >
>   > >
>   > > Hey folks. Once again, I'm having trouble (what are the odds).
>   > >
>   > > So, this SS10 came with a PROM password. I've looked around, and the
>   > > least invasive idea I saw was to boot an already installed Solaris
> disk
>   > > from another machine, log in as root, and use the eeprom command to
>   > > clear the password. So, I attempted to do this. After changing the
>   > > device.tab and vfstab to refer to the correct ID, I put the disk in
> the
>   > > new 10, and got this:
>   > >
>   > > SPARCstation 10 (1 X 390Z50), No Keyboard
>   > > ROM Rev. 2.14, 64 MB memory installed, Serial #3383548.
>   > > Ethernet address 8:0:20:1f:32:fd, Host ID: 7233a0fc.
>   > >
>   > > Boot device: /iommu/sbus/espdma at f,400000/esp at f,800000/sd at 1,0 File and
>   > > args:
>   > > SunOS Release 5.6 Version Generic_105181-23 [UNIX(R) System V Release
>   > > 4.0]
>   > > Copyright (c) 1983-1997, Sun Microsystems, Inc.
>   > > configuring network interfaces: le0.
>   > > Hostname: solstice
>   > > mount: /dev/dsk/c0t1d0s6 or /usr, no such file or directory
>   > > /sbin/swapadd: expr: not found
>   > >
>   > > WARNING - /usr/sbin/fsck not found. Most likely the
>   > > mount of /usr failed or the /usr filesystem is badly
>   > > damaged. The system is being halted. Either reinstall
>   > > the system or boot with the -b option in an attempt
>   > > to recover.
>   > >
>   > > syncing file systems... done
>   > > Program terminated
>   > > Type b (boot), c (continue), or n (new command mode)
>   > > >
>   > >
>   > > So, I've screwed something up. I can't use the -b option, as it asks
>   > > for the password. I can't boot into single user mode, as it asks for
>   > > the password. Any thoughts? I'd like a nice, clean way to do this
>   > > without taking the chance of hosing the box. :)
>   > >
>   > > Anything and everything gratefully accepted.
>   > >
>   > >
>   > > --
>   > >
>   > >
>   > > Tim Harrison
>   > > Network Engineer
>   > > harrison at timharrison.com
>   > > http://www.networklevel.com/
>   > > _______________________________________________
>   > > Rescue maillist - Rescue at sunhelp.org
>   > > http://www.sunhelp.org/mailman/listinfo/rescue
>   >
>   >_______________________________________________
>   >Rescue maillist - Rescue at sunhelp.org
>   >http://www.sunhelp.org/mailman/listinfo/rescue
> 
> 
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-- 
Bill Bradford
mrbill at mrbill.net
Austin, TX



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