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I think plugging in the USB disk is affecting disk references. I suggest you boot dsl and run Code: su fdisk -l and check how your system is referencing the ...
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  1. #21
    Linux Guru Jonathan183's Avatar
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    I think plugging in the USB disk is affecting disk references. I suggest you boot dsl and run
    Code:
    su
    fdisk -l
    and check how your system is referencing the usb drive.
    Also check fstab entry while booted in dsl ...
    Code:
    cat /etc/fstab
    You may actually find the root of dsl is actual /dev/sda2.

    Ed: can you confirm if fstab entries for dsl have / as /dev/sda2.

  2. #22
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    Jonathan:

    Really appreciate all your help on this.

    I booted up the dsl and checked some of the things you have pointed out. I see what you mean about different references. The menu.lst, when booted in DSL, refers to only the DSL entry in the GRUB menu. That menu.lst is read only and can't be editted (at least I don't know how). I editted that file from Ubuntu (primary HDD). However, although I got the menu.lst output I posted with the Hardy Heron entries, the original DSL menu.lst was unchanged and a duplicate menu.lst was created and identified as menu.lst~. The latter is what shows during booting.

    The partition listed intially for the Hardy entry was (1,4) and showed it as a FAT file system while the DSL was shown as (0,1). When I changed the menu.lst~ to read (0,4) for the Hardy partition it showed an EXT file system and got farther into booting and stopped just after the initrd with "No setup signature found". I googled and found that a GRUB update might help - tried that, but with the file read only - no luck. Then I tried mounting the boot partition - didn't make any difference.

    Now I have internet access from DSL - here is the out put of fdisk -l from the DSL boot.

    Units = cylinders of 16065 * 512 = 8225280 bytes

    Device Boot Start End Blocks Id System
    /dev/sdb1 1 3188 25607578+ b Win95 FAT32
    /dev/sdb2 * 9723 9729 56227+ 83 Linux
    /dev/sdb3 3189 9722 52484355 5 Extended
    /dev/sdb5 3189 4495 10498446 83 Linux
    /dev/sdb6 4496 4559 514048+ 82 Linux swap
    /dev/sdb7 4560 5834 10241406 b Win95 FAT32
    /dev/sdb8 5835 9722 31230328+ b Win95 FAT32

    Partition table entries are not in disk order

    Disk /dev/hda: 80.0 GB, 80026361856 bytes
    240 heads, 63 sectors/track, 10337 cylinders
    Units = cylinders of 15120 * 512 = 7741440 bytes

    Device Boot Start End Blocks Id System
    /dev/hda1 1 1055 7975768+ c Win95 FAT32 (LBA)
    /dev/hda2 * 1056 7630 49707000 c Win95 FAT32 (LBA)
    /dev/hda3 7631 10337 20464920 f Win95 Ext'd (LBA)
    /dev/hda5 7631 7752 922288+ b Win95 FAT32
    /dev/hda6 7753 10337 19542568+ bc Unknown
    dsl@box:~$


    Here is the fstab file:

    > dsl@box:~$ sudo cat /etc/fstab
    > /proc /proc proc defaults 0 0
    > /sys /sys sysfs noauto 0 0
    > /dev/pts /dev/pts devpts mode=0622 0 0
    > /dev/fd0 /mnt/auto/floppy auto user,noauto,exec,umask=000 0 0
    > /dev/cdrom /mnt/auto/cdrom auto user,noauto,exec,ro 0 0
    > /dev/cdrom1 /mnt/auto/cdrom1 auto users,noauto,exec,ro 0 0
    > # Added by KNOPPIX
    > /dev/sdb1 /mnt/sdb1 vfat noauto,users,exec,umask=000,uid=1001,gid=50 0 0
    > # Added by KNOPPIX
    > /dev/sdb2 /mnt/sdb2 ext2 noauto,users,exec 0 0
    > # Added by KNOPPIX
    > /dev/sdb5 /mnt/sdb5 ext3 noauto,users,exec 0 0
    > # Added by KNOPPIX
    > /dev/sdb6 none swap defaults 0 0
    > # Added by KNOPPIX
    > /dev/sdb7 /mnt/sdb7 vfat noauto,users,exec,umask=000,uid=1001,gid=50 0 0
    > # Added by KNOPPIX
    > /dev/sdb8 /mnt/sdb8 vfat noauto,users,exec,umask=000,uid=1001,gid=50 0 0
    > # Added by KNOPPIX
    > /dev/hda1 /mnt/hda1 vfat noauto,users,exec,umask=000,uid=1001,gid=50 0 0
    > # Added by KNOPPIX
    > /dev/hda2 /mnt/hda2 vfat noauto,users,exec,umask=000,uid=1001,gid=50 0 0
    > # Added by KNOPPIX
    > /dev/hda5 /mnt/hda5 vfat noauto,users,exec,umask=000,uid=1001,gid=50 0 0
    > # Added by KNOPPIX
    > /dev/hda6 /mnt/hda6 vfat noauto,users,exec,umask=000,uid=1001,gid=50 0 0
    > # Added by KNOPPIX
    > /dev/sda /mnt/sda auto noauto,users,exec 0 0
    > # Added by KNOPPIX
    > /dev/sdc /mnt/sdc auto noauto,users,exec 0 0
    > dsl@box:~$
    >

    Thanks again,

    Bob

  3. #23
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    Sorry, double post

  4. #24
    Linux Guru Jonathan183's Avatar
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    If I were in your position and really wanted to run the Kubuntu from the USB disk I would do a fresh install and install grub as part of the install process. You should be able to select install grub to the mbr of the disk to which you install Kubuntu (sdb) based on the information you have supplied. If you select sdb5 as the root for Kubuntu then you should install grub to sdb.

    Keep in mind you are using a beta version of an OS, so you can encounter problems ... some maybe OS problems.

  5. #25
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    Well...I am not sure why you need dsl on this external usb hard drive but you can edit the file I recall by right click and view in beaver..but why not just get a cheap usb stick and install dsl to it for pocket transfer. it will solve the dual boot issue and still be available for what ever you are useing it for...or is the idea to get a dual boot to work on an external usb hd..Hmm...well best of luck then....cheers

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