SCO-Unix - booting to single user mode and then crash
=Ronald van der Pol
rvdp at cs.vu.nl
Thu Oct 18 04:21:21 AEST 1990
paine at fungus.dec.com (Willy Paine) writes:
> -------------------< display >----------------------------------
>
> Type control-d to proceed with normal startup,
> ( or give root passwd
> for system maintaince.
>
> ----------------------------------------------------------------
> Then it freezes or crashs and I can not press <return>. Notice there
> is no real linefeed between "startup," and "(or give"
I have had the same problem. You can type in your root password
and then <CTRL><CR> (!!!). It really works (I found out when
I became real angry and just hit same random keys :-)
After you have logged in as root type 'stty sane'. Now you
can work again.
>
> How can I upgrade this from disk instead of installing from scratch?
You should create an 'emergency boot floppy' and a 'root
filesystem floppy' (sysadmsh->filesystems->floppy). This procedure
and restoring your root filesystem is very poorly documented and
what the manual says about it is **not** correct.
You should at least do the following:
- Make a boot and root floppy
- When your root filesystem is too big (development system, etc)
you probably get 'out of inodes' on the floppy. I don't know
yet what to do about that.
- You have to make a mount point on the 'root filesystem floppy'
for the hard disk.
- You should first remove your old root filesystem or create
a new root filesystem on your hard disk. Otherwise you still
can have old (bogus) files in your system.
Again: the manual is **totally inadequate** !!!
Good luck,
--
Ronald van der Pol <rvdp at cs.vu.nl>
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