listing files

How do I list files on something other than a hard drive
when using the 
command line?
I have a CD burned of the latest Ubuntu but I need to find
out if there 
is a fault with the files ie whether it has burned properly.
A directory listing might tell me if all of the files in the
iso burned 
onto the CD.
I tried looking on my desktop in windows only I keep getting
this splash 
screen and what I see is disk tree or something like that
and I can't 
seem to find anything else with it trying to boot the CD so
I am hoping 
a LS on my laptop which has Ubuntu will indicate if there is
a problem.

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MICHAEL WEAVER wrote:
> How do I list files on something other than a hard
drive when using the 
> command line?
> I have a CD burned of the latest Ubuntu but I need to
find out if there 
> is a fault with the files ie whether it has burned
properly.
> A directory listing might tell me if all of the files
in the iso burned 
> onto the CD.
> I tried looking on my desktop in windows only I keep
getting this splash 
> screen and what I see is disk tree or something like
that and I can't 
> seem to find anything else with it trying to boot the
CD so I am hoping 
> a LS on my laptop which has Ubuntu will indicate if
there is a problem.
>
>   
if it is a cd then cd/media/cdrom
ls -a


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MICHAEL WEAVER wrote:
> How do I list files on something other than a hard
drive when using the 
> command line?
> I have a CD burned of the latest Ubuntu but I need to
find out if there 
> is a fault with the files ie whether it has burned
properly.
> A directory listing might tell me if all of the files
in the iso burned 
> onto the CD.
> I tried looking on my desktop in windows only I keep
getting this splash 
> screen and what I see is disk tree or something like
that and I can't 
> seem to find anything else with it trying to boot the
CD so I am hoping 
> a LS on my laptop which has Ubuntu will indicate if
there is a problem.
>
>   
if it is a cd then cd/media/cdrom
ls -a


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On 8/31/06, MICHAEL WEAVER <michaelweaver1btinternet.com> wrote:
> How do I list files on something other than a hard
drive when using the
> command line?
> I have a CD burned of the latest Ubuntu but I need to
find out if there
> is a fault with the files ie whether it has burned
properly.
> A directory listing might tell me if all of the files
in the iso burned
> onto the CD.
> I tried looking on my desktop in windows only I keep
getting this splash
> screen and what I see is disk tree or something like
that and I can't
> seem to find anything else with it trying to boot the
CD so I am hoping
> a LS on my laptop which has Ubuntu will indicate if
there is a problem.
>
> --
> ubuntu-users mailing list
> ubuntu-userslists.ubuntu.com
> https://lists.ubuntu.com/mailman/listinfo/ubuntu-users
>

Hi MICHAEL WEAVER!

I think that what you want to do is verify your burned disk?
 To make
sure that - A. What you download is proper (very important)
and B.
That the disk you burned is going to work.

First - how to verify the disk you burned.  When they make
an iso
image (a data file containing an "image" of the
whole disk) they also
run a program which generates a big number.  This number can
then be
used to verify that the download or a disk made from the
image are
indeed correct.  The number is called the md5 sum:

# Note the part about "verify files" - our use
here!
http://en.wikipedia.
org/wiki/MD5

# This looks "Making Ubuntu using Windows - cannot
verify but looks OK me scan.
http://www.
psychocats.net/ubuntu/iso.html

Second - simply some information on the issue of burning iso
images:

# Looks at a lot of the issues
http://ww
w.knoppix.net/wiki/Downloading_FAQ

Third - a thought.  Ubuntu 6.06 (Dapper) for the desktop
(probably
what you downloaded) is first of all a live CD.  Then
second, from the
live environment, can be installed.  Live CDs are often slow
to start
up.  It has to do with the fact that they are loading from a
CD drive
(not the fastest thing in the world) then uncompressing all
the files
(takes some more time) and then actually installing and
using them
(yet more time!!).  Perhaps you should let the
"splash" remain a bit
longer (OK, had a long week, it is late, I am tired, I hope
not too
silly!).

Hope you enjoy Dapper!

Tod

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On Thursday 31 August 2006 04:08, MICHAEL WEAVER wrote:
> How do I list files on something other than a hard
drive when using the
> command line?
> I have a CD burned of the latest Ubuntu but I need to
find out if there
> is a fault with the files ie whether it has burned
properly.

> A directory listing might tell me if all of the files
in the iso burned
> onto the CD.

Unfortunately that won't work, unless the burning process
was interrupted in 
the middle (in which case you wouldn't need to verify
anything). This is 
because the files list (TOC - table of contents) is written
regardless of 
content beign correctly written (or written at all, for that
matter).

You'd better stick with one of the options proposed by Ted
Merley. MD5 sum 
would be my personal choice, if you burn a CD from an ISO
(which is your 
case).

In another situation, if you want to verify a CD which was
burnt on the fly, 
you could use "diff -rq /path/to/dir
/media/cdrom" changing paths where 
apropriate.


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