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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LEARN ABOUT PHP
installgrub
installgrub(1M) installgrub(1M)
NAME
installgrub - install GRUB in a disk partition or a floppy
SYNOPSIS
/sbin/installgrub [-fm] stage1 stage2 raw-device
The installgrub command is an -only program. GRUB stands for GRand Unified Bootloader.
installgrub installs GRUB stage 1 and stage 2 files on the boot area of a disk partition. If you specify the -m option, installgrub
installs the stage 1 file on the master boot sector of the disk.
The installgrub command accepts the following options:
-f
Suppresses interaction when overwriting the master boot sector.
-m
Installs GRUB stage1 on the master boot sector interactively.
The installgrub command accepts the following operands:
stage1
The name of the GRUB stage 1 file.
stage2
The name of the GRUB stage 2 file.
raw-device
The name of the device onto which GRUB code is to be installed. It must be a character device that is readable and writable. For disk
devices, specify the slice where the GRUB menu file is located. (For Solaris it is the root slice.) For a floppy disk, it is
/dev/rdiskette.
Example 1: Installing GRUB on a Hard Disk Slice
The following command installs GRUB on a system where the root slice is c0d0s0:
example# /sbin/installgrub /boot/grub/stage1
/boot/grub/stage2 /dev/rdsk/c0d0s0
Example 2: Installing GRUB on a Floppy
The following command installs GRUB on a formatted floppy:
example# mount -F pcfs /dev/diskette /mnt
# mkdir -p /mnt/boot/grub
# cp /boot/grub/* /mnt/boot/grub
# umount /mnt
# cd /boot/grub
# /sbin/installgrub stage1 stage2 /dev/rdiskette
/boot/grub
Directory where GRUB files reside.
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWcsu |
+-----------------------------+-----------------------------+
|Interface Stability |Evolving |
+-----------------------------+-----------------------------+
boot(1M), fdisk(1M), fmthard(1M), kernel(1M), attributes(5)
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