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how do I log into this machine - with a twist...

 
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# 1  
Old 08-29-2001
how do I log into this machine - with a twist...
I know this topic has been covered in one form or another, but it hasn't been covered to handle my problem.

I was given a Sparc4 running Solaris 2.5.1

The root password is unknown. This machine has no cdrom drive and it has no floppy drive.

I tried booting into the single user mode, but that requires the root password.

Right now I'm at a loss. I have a Solaris 2.6 CD but as I mentioned no CDRom to access it. I was wondering if it's possible to put the CDRom in my FreeBSD server and somehow have the Sparc4 boot off the CD over the network.

The problem is the address of the Sparc4 not only in a different network, but it's a different class. Is there anyway I can change the ip address w/o logging into the machine?

If I am able to boot over the network and use the CD in my FreeBSD machine, how exactly would I go about 1. reinstalling the OS, 2. entering a new root password?

I'm really lost with this one... any and all help will be greatly appreciated.

Oh yeah... taking out the HD isn't really an option, because I don't have a SCSI controller... :/
xyyz
# 2  
Old 08-29-2001
Re: how do I log into this machine - with a twist...
Quote:
Originally posted by xyyz
The root password is unknown. This machine has no cdrom drive and it has no floppy drive.

2) Right now I'm at a loss. I have a Solaris 2.6 CD but as I mentioned no CDRom to access it. I was wondering if it's possible to put the CDRom in my FreeBSD server and somehow have the Sparc4 boot off the CD over the network.

3) The problem is the address of the Sparc4 not only in a different network, but it's a different class. Is there anyway I can change the ip address w/o logging into the machine?

4) If I am able to boot over the network and use the CD in my FreeBSD machine, how exactly would I go about 1. reinstalling the OS, 2. entering a new root password?
2) You can boot from a remote server but i belave it has to be another sun station. I could be wrong tho. Check into openboot. check the web for resourses.

3) NO. if you had root acccess you can change everything on the fly.

4) if you can get it to boot of the cdrom in single user mode. you can mount the "/" and edit /etc/shadow and remove the passwd field and then boot the box in regular mode hten log in as root w/ no password.
 
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