Re: Generic solution to "help I'm locked out"


Michal Jaegermann (michal@ellpspace.math.ualberta.ca)
Wed, 7 Apr 1999 09:23:45 -0600 (MDT)


>
> What is the equivalent of a rescue disk for AlphaLinux

Your installation pair will do just fine. Do not choose "Install" but
"Upgrage", and tell it that your stuff to install is on a hard disk -
does not matter what. Once file systems are mounted switch to the
second console (alt-F2) and you will have a shell. It is not hard from
there to mount a richer environment, from CD - for example - if you
would feel constrained in this rather spartan one. :-)

If you feel like that you can hack a special ramdisk, with a different
init sequence than the one which starts installation, but this is so
rarely needed that hardly worth a bother. Keep in mind that on Alpha once
you loaded milo (say, from a floppy) you have much richer environment
than provided by a typical bios on an Intel box. You can, for example,
load a spare kernel from the same FAT floppy from which you loaded milo,
or from CD, supplying 'single' boot argument if something is haywire
in your startup files; so starting into a ram disk is quite rare event
when you managed to scramble your root file system to such extent that
it is unmountable.

> (and Linux in general).

In general this depends how you bootstrap a system on a given platform
and this varies with a firmware. On Alpha you have two different
console types (plus variations) and details differ but priciples remain
the same.

  Michal

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