Minifridge

[heviarti at puresimplicity.net]

If there is a single user mode, I've been as yet unable to get to it. I tried six different flags but none of the ones I tried worked.  If somebody has an Idea I'd like to hear it.  I could go search out my previous post and say again what I've tried.  It's been sitting at an SRM prompt since last night in hopes someone might have an idea what flags to give it to get it into single user mode.   

  I'd download a livecd, but I've been limited to a smartphone for net for some time.  I've also had mixed luck booting from CD on these. As a sidenote, as much as  Palm is a mature operating environment, it doesn't really work all that well.

  I guess I could try that, but then I'd have to change the IP of every machine on my network to talk to it.

-----Original Message-----

From:  Oliver Falk <oliver at linux-kernel.at>
Subj:  Re: Minifridge
Date:  Sun Aug 22, 2010 9:36
Size:  2K
To:  Linux on Alpha processors <axp-list at redhat.com>

Is there no single user mode?

Matt Turner <mattst88 at gmail.com> schrieb:

>On Sun, Aug 22, 2010 at 10:33 AM,  <heviarti at puresimplicity.net> wrote:
>> Yeah, and then it boots multi-user, and wants me to login... And seeing as nobody remembers a pass for it, I'm kinda boned.
>>
>>  Until I got too teed off at debian, my primary machine was a '164 500 running at 366 for lack of a 50Mhz crystal, with a Sparc 5 110 as a head.  Unfortunately it doesn't want to boot right now, so I have to hook to the debug port to see what it's problem is.  I flashed it to SRM, and that's all I use.  I do know a few SRM commands, including boot, because of that.   I was actually looking around to see if anyone knew about using SRM as a programmer's panel before I moved and no longer had space for the big Alpha. (my EB164 is built into an old PDP rack)  I wish I knew what happened to Motoko-chan, because she was porting Slackware 10 to Alpha and almost had it working.  I'd honestly rather have Slack than debian or anything based on redhat.
>>
>>   What I don't know is how to get this minifridge into single user so I can defeat the password on the superuser account. Without the root account I'm kinda dead in the water.
>>
>>  There's a possibility I could attack it via network, but that would require somehow determining it's IP address, which will differ from the IP range on my local network and will consequently not be possible to communicate with directly.  If I could figure out a way to do that, I could break into any of the five SGIs sitting in my storage unit for lack of access. IRIX was never known for security.  It'd be easier to do this to the Alpha via the console than spending a week trying to find a susceptible program, and then exploiting it.
>
>This is easy. Open your /etc/shadow file which contains the hash of a
>known password. Booting with a Live-CD, replace the hash of the
>unknown password on your Alpha's /etc/shadow file with the new one.
>
>Voilà. You now know the password.
>
>Matt
>
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