Dave Houghton wrote:
>
> >From 'ls -al /boot' got the following:
>
> [EMAIL PROTECTED]:~$ ls -al /boot
>   
<snip>
> w-r--r--  1 root root 1186608 2008-04-13 16:59 vmlinuz-2.6.24-16-rtai
>   
OK, that is definitely NOT your BDI kernel, but it must be an 8.04 
kernel.  I don't have that running here.
This is pretty much what we expected.  If you were to mount sda1 onto 
/mnt/olddisk and look in the /mnt/olddisk/boot directory, you would 
likely find your BDI kernel, with a lower version number, probably 2.6.12
> [EMAIL PROTECTED]:~$
>
> Now with 'ls /mnt/olddisk' I get some directories - boot, dev, home
> etc...all in pretty colours. 
>
> Now with 'ls /mnt/olddisk/home/dave  I get some more directories one of
> which is emc2.
> I'm confused now - why is emc2 in the olddisk, I really did not expect to
> see emc2.
>   
This is everything that was part of the EMC2 install that was on your 
BDI system.  So, of course, it has your OLD emc directory.
You have TWO COMPLETE, but DIFFERENT file systems on your hard drive, in 
different partitions.  One is old, from the BDI system (sda1) and one is 
newer, from your Ubuntu system (sda5).  Much of what is on the old 
partition is obsolete.  the only thing in the emc2 directory that might 
be useful is the ini file that you actually used on your machine.  Don't 
just copy it over, as a lot of stuff has changes, such as the 
introduction of HAL  But, you might want to print out a copy of it to 
save the variables you set up for your machine.  Any CNC files for parts 
you might want to make again, or any other custom software or G-code 
shoudl be copied over to your user directory on the Ubuntu system.
> I've checked a few things like sda5 ... says '/dev/sda5 is already mounted
> on /mnt/olddisk'.
>   
I thought sda5 would be your Ubuntu system's main directory tree.  I 
would have expected it to be mounted to /, not /mnt/olddisk.
But, maybe it is /dev/sda2 that is the Ubuntu main file system.
If you just type
ls /

You will see a simlar directory tree, and it will ALSO have an emc2 
directory, that is your NEW EMC2 directory as part of the Ubuntu install.
They will have almost exactly the same file names, but some will have 
newer dates - those would be the files updated since the BDI.

You can find out what is mounted where by looking at /etc/fstab, with a 
command like :
more /etc/fstab

The first column is usually the /dev/xxx partition id, although it can 
also be the volume label of the FS.  The second column is the mount 
point, like /mnt/olddisk, or / for the system's main file system.

Jon

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