How to login in Ubuntu 9.10 Live CD ?

Colin Law clanlaw at
Fri Jan 29 16:27:18 UTC 2010

On 29 January 2010 15:53, Lawrence Tsang <tkwinfo at> wrote:
> Hi Johnneylee Rollins, Karl F. Larsen, steve reilly and All,
>      Thanks for the suggestions.
>      In fact, I have used the "ubuntu-9.10-desktop-i386.iso" file downloaded
> from the Ubuntu website and burned it to a CD. However, the same error
> persists when I boot the burned CD in a CDrom and when I boot the ".iso"
> file as a CDrom image in a VMware workstation 7 Virtual Machine. So I think
> there are some errors in the original "ubuntu-9.10-desktop-i386.iso" file.
>      After repeatedly booting the burned CD and the ".iso" file, I describe
> the error as follows :
> 1. when just power on the computer / VM with the burned CD / ".iso" image, I
> select "English" language.
> 2. I choose the "Try Ubuntu without any change to your computer" option to
> boot.

If I remember correctly there is an option here to check the CD.  Have
you tried that?


> 3. when just begin booting and the Ubuntu logo is just being seen, I press
> the "ESC" key to show the booting messages.
> 4. I find the following error in the booting messages :
> shadow passwords are now on
> dpkg-query : read error in '/usr/lib/dpkg/triggers//File' : Input/output
> error
> chpasswd : invalid option -- 'e'
> Usage : ..........(some messages I think to show the use of chpasswd)
> ..........
> install : invalid user 'ubuntu'
> install : invalid user 'ubuntu'
> .........(the following booting messages seem have no error)
>      Then after the Ubuntu 9.10 has booted up, I find "authentication
> failure"  when try to login as "ubuntu" with blank password.
>      Perhaps there were some transmission errors when I downloaded the
> original "ubuntu-9.10-desktop-i386.iso" file. But it seems that I had
> downloaded this file twice.
>      Does anyone have the same experience as I have ? Any comment.
> Regards
> Lawrence

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