installing from USB (again)

[altern]

Luis de Bethencourt(e)k dio:
> On 8/25/08, altern <altern2 at gmail.com> wrote:
>> Luis de Bethencourt(e)k dio:
>>
>>> On 8/23/08, altern <altern2 at gmail.com> wrote:
>>  >> Andrew Hunter(e)k dio:
>>  >>  > -----BEGIN PGP SIGNED MESSAGE-----
>>  >>  > Hash: SHA1
>>  >>  >
>>  >>  > Hey altern,
>>  >>  >
>>  >>  > altern wrote:
>>  >>  >> Andrew Hunter(e)k dio:
>>  >>  >>> -----BEGIN PGP SIGNED MESSAGE-----
>>  >>  >>> Hash: SHA1
>>  >>  >>>
>>  >>  >>> altern wrote:
>>  >>  > [...]
>>  >>  >> At the bottom of the web page i am following it says that
>>  >>  >> when using the alternate CD installer one needs to setup the cddrive
>>  >>  >> the section is called "Mounting the USB stick as /cdrom". This are the
>>  >>  >> commands to do it, one needs to open a new console with ALT+1 after
>>  >>  >> choosing installation language
>>  >>  >>
>>  >>  >> # mkdir /cdrom /dev/cdroms
>>  >>  >> # cd /dev/cdroms
>>  >>  >> # ln -s ../sda1 cdrom0
>>  >>  >> # mount -t vfat /dev/cdroms/cdrom0 /cdrom
>>  >>  >>
>>  >>  >> I tried following those tips but still it does not find the cdrom. My
>>  >>  >> usb drive shows up as sdb1, i checked read that from dmesg.
>>  >>  >
>>  >>  > Are you substituting that value where appropriate in the guide?
>>  >>
>>  >>
>>  >> as far as i understand i am doing it ok. I checked with dmesg that my
>>  >>  Kingston USB stick was sdb, then checked which devices were available at
>>  >>  /dev and there it was /dev/sdb1
>>  >>
>>  >>  i noticed that after i do
>>  >>
>>  >> mount -t vfat /dev/cdroms/cdrom0 /cdrom
>>  >>
>>  >> the installer goes funny and it cannot read the usb drive any more. I
>>  >>  mean, before the problem is that it cannot autodetect the cdrom drive
>>  >>  but it reads the content of the usb drive with no problems, as soon as i
>>  >>  mount the usb drive on /cdrom the installer cannot read the content of
>>  >>  the drive any more, it is like if i had removed it.
>>  >>
>>  >>  I also tried few other options like doing directly
>>  >>  mount -t vfat /dev/sdb1 /cdrom
>>  >>
>>  >>  same problem. i might be doing something stupid because i cannot see
>>  >>  anyone else complaning online about same error... but i cannot see what
>>  >>  it might be. I checked few times and as far as i can see i am doing all ok.
>>  >>
>>  >>  enrike
>>  >>
>>  >>
>>  >>
>>  >>  --
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>>  >>
>>  >
>>  > The commands you are pasting here make no sense to me. You are
>>  > creating a link from the usb drive to the usual place of the cdrom
>>  > drive, and then trying to mount that. The usb drive is already mounted
>>  > (you are using it to run the system). You cant mount twice a drive but
>>  > since you are doing it through the link the system might get confused.
>>
>>  > What you need to do is create a link from the mounted point of the pendrive
>>  > check it with "df" and make /cdrom be a link to that.
>>
>>
>> "df" says that FILESYSTEM TMPFS and MOUNTED ON /DEV
>>  sorry i am not very good at this technical details, I dont understand
>>  what i have to do, should I create a link to /dev somwhere like say
>>  /mnt/cdrom0 and then set /cdrom to point to it? is this right?
>>
>>
>>  > Btw, I thought ubuntu mounted cdroms in /media/ so check that guide is
>>  > doing things the Ubuntu way. I might be wrong but I don't have time to
>>  > check right now.
>>
>>
>> funny because i took it from help.ubuntu.com so it should be very
>>  ubuntu-like.
>>  The docs are here, the section called "Mounting the USB stick as /cdrom"
>>
>> https://help.ubuntu.com/community/Installation/FromUSBStick
> 
> You are getting confused.
> 
> /dev
> is where the devices are.
> 
> "df" is disk free, it tells you information about the disks, specially
> how much free space per disk.
> 
> I will go through the link you gave in help.ubuntu tomorrow and reply
> you with it, since I dont have time right now.

no need to do it, i guess the error is somewhere else in the proccess of 
dumping the DVD into the USB drive. I will try some other methods and 
see if i get it right. i will post results to the list.

thanks

enrike