[CALUG] Self Inflicted Wound

Tom Berlett dragineez at yahoo.com
Mon Mar 20 13:04:29 CST 2006


I've become enamored with the forthcoming Xgl display
technology. Following the instructions to install
Compiz at
http://www.tectonic.co.za/view.php?src=rss&id=916,
there came a point where dire warnings were issued
that I was about to get rid of my karefully krafted
kustom kernel. In fear of the consequences, I aborted.
Apparently, not soon enough. I guess enough of Dapper
came over that my system is - no more. The machine has
become basically unbootable. It drops out into some
sort of very limited emergency shell.

Error Message:
Unable to find volume group "Ubuntu"
ALERT! /dev/mapper/Ubuntu-root does not exist!
Dropping to a shell!

Busy Box v1.01 (Debian 1:1.01-4Ubuntu1) Built-in shell
(ash)

Does anyone have any ideas on how to recover from
this? I'm not necessarily even interested in
recovering the machine to its former state. I've
installed ubuntu about 30 times now - 31 shouldn't be
any problem. But there are a few files on there that
I'd like to get off before I do.

I booted using a FC4 Rescue CD to boot which
successfully mounted the logical volumes. I'm working
through how to mount an NFS share so I can copy off
what I want to save.

I've followed the NFS tutorial at
http://nfs.sourceforge.net/nfs-howto/ but can't mount
the share. I get "connection refused". Trying to run
rpcinfo -p on the server also returns "connection
refused".

exports
/media/hdc1/Elrond 192.168.1.0/255.255.255.0(rw)

hosts.allow
portmap: 192.168.1.0/255.255.255.0

hosts.deny
portmap:ALL

sudo exportsfs -av seems to return intelligible
results.

mount -t nfs 192.168.1.17:/Elrond /mnt/sysimage/oshit

returns "connection refused"

In a different, but somewhat related question - since
it seems there is nothing wrong with the box or the
drive, would it be possible to resuscitate the
machine? Either roll back to before the botched Dapper
install, or continue the distro-upgrade from where it
left off?

Answer both, or neither, or ignore as you see fit,
but..... OK, what am I doing wrong? Total newbie here,
so use small words and short sentences.

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