Re: lost password Please HELP
From: Jesse E. Morris (JEM2b@attbi.com)Date: 10/26/02
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From: "Jesse E. Morris" <JEM2b@attbi.com> Date: Sat, 26 Oct 2002 15:20:39 GMT
Forgot to mention, version: 2.0.35
"Jesse E. Morris" wrote:
> I have lost password on system and can't access. Deceased son's
> computer.
> I have found several articles, but my problem in trying suggested
> solutions is that on boot up, everything scrolls by so fast that I can't
> enter the "single" user input at the LiLo prompt. Seems like I need
> something like the old DOS 'pause' command. Anyone that can help will
> be greatly appreciated.
> Have no Linux boot disc. Do I need on? Where do I get one?
>
> Seems to be among the best that I have found:
>
> > During the booting of LILO if one of the keys: Ctrl, Shift, Alt or
> Enter
> are
> > pressed LILO switches to interactive mode.
> > The Tab key will show all the available boot configurations.
> > Common boot parameters to pass to LILO when booting
> > root=device
> > ro and rw, mount the root file system explicity read-only or
> read/write
> > debug, all kernel messages are output to the system console
> > single, tells the init program that Linux is to be started in single
> user
> > mode
> > ether=IRQ,port,mem_start,mem_end,name; sets the base address, IRQ and
> the
> > mapped memory area of a network device named name.
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>
> Does the computer boot up with LiLo? The way to tell this is when it
> boots
> > up it should pause for a couple of seconds and at the top right of the
>
> > screen it should say "Loading LiLo" (LiLo stands for Linux Loader). At
>
> that
> > pause hit the Tab key. This will bring up a prompt. Type in "single"
> without
> > the quotes and hit enter. This should boot it into single user mode.
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>
> For the record you can buy my book for less than thirty dollars (U.S.)
> and the first thing I cover in the "Emergencies" appendix is how to
> recover from a lost root password. This is also one of the most common
> FAQs on the comp.unix.admin newsgroup.
> For Linux all you have to do is:
> 1. Reboot
> (try [Ctrl]+[Alt]+[Delete])
> 2. During the LILO prompt type:
> (kernel/image name) init=/bin/sh rw
> ... note that's usually going to be just:
> linux init=/bin/sh rw
> 3. This should start the Linux kernel,
> with the root filesystem mounted in read/write mode. The cool thing is
> that none of your normal init processes (like the gettys that ask for
> your name and call the login program) will be started.
> 4. (Maybe) mount your /usr filesystem with a command like:
> mount /usr
> 5. Change your root password with a command like:
> passwd
> 6. Flush the cache buffers:
> sync; sync; sync
> 7. (Maybe) unmount /usr:
> umount /usr
> 8. Remount the root fs in readonly mode:
> mount -o remount,ro /
> 9. Let init clean up and reboot the system:
> exec /sbin/init 6
> ... there is a "6" (six) at the end of that command.
> That's it. Don't worry about the couple of lines where I said '(Maybe)'
> --- you can follow those steps too, if you don't understand. The errors
> from unnecessarily executing those steps are harmless.
> You can follow a similar procedure using a "rescue" diskette. However,
> I'll let you buy my book (or visit http://www.toms.net/rb) for the
> details on that approach. That book is "Linux System Administration" by
> M Carling, Stephen Degler, and me (New Riders Publishing).
> [ You can read a bit more about the book at the website that's been
> setup for it:
> http://www.linuxsa.com/
>
> It's a bit plain as yet, but don't worry, it will get nicer as time goes
>
> on. -- Heather ]
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