installing from USB (again)

[Luis de Bethencourt]

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.

Luis

>
>
> enrike
>
>
>
>
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>


-- 
Luis de Bethencourt Guimerá
luisbg
<luisbg at ubuntu.com>
GPG: B0ED1326