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Thread: 12.04 update - Grub - keyboard and mouse freeze

  1. #11
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    Ubuntu 12.04 Precise Pangolin

    Re: 12.04 update - Grub - keyboard and mouse freeze

    oooops - sorry - I did not do this from the live pen ... I did it from the installed ubunto

    Now to boot with the live pen and do it again

  2. #12
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    Re: 12.04 update - Grub - keyboard and mouse freeze

    Normand; Oh My ...

    Now I am completely confused... sdb has a complete operating system installed as I first advised... not just a "data" drive.
    With that said... what do you want to do ? ..be able to boot either operating system ? Remove the OS from sdb ?

    which way did he go, George
    THE current(cy) in Documentation:
    https://help.ubuntu.com/community/PopularPages

    Happy ubuntu'n !

  3. #13
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    Re: 12.04 update - Grub - keyboard and mouse freeze

    Yup
    In my initial post I said it has done a new install on sdb ... just running the 'Boot repair' tool - freshly downloaded
    Though all the home data is old stuff from sda ... and part of the ubuntu version (a mix of 12.04 and 10.10???)

    I would like to remove the os from sdb, update grub and system on sda

    If you are confuse .... me much more so

    I am just loading the live 12.04 Try Ubuntu and will pause there before anything else

  4. #14
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    Re: 12.04 update - Grub - keyboard and mouse freeze

    Aaaaarrrgggghhh

    The live pen wil not do a Try Ubunto .... "Error - 0 Bytes left. Try removing files blah ...
    I was beginning to get this a few days ago ... I had tried to do an update with the live pen trial!!

    Going back to the installed system

  5. #15
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    Re: 12.04 update - Grub - keyboard and mouse freeze

    Normand...

    Ok...I am getting more on track...
    To remove the operating system on sdb... the easiest and best thing in my opinion... is to use GParted from the live medium - that we will have to work on before we can use it - is to delete the sdb5 partition. That gives "unallocated" space... and rather than chancing any corruption to any of the files present ..let us make a new partition on that "unallocated" space as a second "data" partition and in GParted ..give that new partition a descriptive "label" of your own choice. Format that sucker as "ext4" if only ubuntu is going to access the files stored on the new sdb5 ----uhhh--better look ...sdb5 normally means an extended partition, and no can mess with it 'till the "extended partition is dealt with !@

    Looksee ! For a fresh update of data to work from.
    From your install system on sda:
    Code:
    sudo fdisk -lu

    making progress and in great shape for the shape we are in !

    THE current(cy) in Documentation:
    https://help.ubuntu.com/community/PopularPages

    Happy ubuntu'n !

  6. #16
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    Ubuntu 12.04 Precise Pangolin

    Re: 12.04 update - Grub - keyboard and mouse freeze

    Results

    norman@norman-desktop:~$ sudo fdisk -lu
    [sudo] password for norman:

    Disk /dev/sda: 250.1 GB, 250059350016 bytes
    255 heads, 63 sectors/track, 30401 cylinders, total 488397168 sectors
    Units = sectors of 1 * 512 = 512 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes
    I/O size (minimum/optimal): 512 bytes / 512 bytes
    Disk identifier: 0x000cc6bc

    Device Boot Start End Blocks Id System
    /dev/sda1 * 2048 482455551 241226752 83 Linux
    /dev/sda2 482457598 488396799 2969601 5 Extended
    /dev/sda5 482457600 488396799 2969600 82 Linux swap / Solaris

    Disk /dev/sdb: 1000.2 GB, 1000204886016 bytes
    255 heads, 63 sectors/track, 121601 cylinders, total 1953525168 sectors
    Units = sectors of 1 * 512 = 512 bytes
    Sector size (logical/physical): 512 bytes / 4096 bytes
    I/O size (minimum/optimal): 4096 bytes / 4096 bytes
    Disk identifier: 0x0002320a

    Device Boot Start End Blocks Id System
    /dev/sdb1 63 1865532059 932765998+ 83 Linux
    Partition 1 does not start on a physical sector boundary.
    /dev/sdb2 1865533438 1953523711 43995137 5 Extended
    Partition 2 does not start on a physical sector boundary.
    /dev/sdb5 * 1865533440 1946726399 40596480 83 Linux
    /dev/sdb6 1946728448 1953523711 3397632 82 Linux swap / Solaris
    norman@norman-desktop:~$

  7. #17
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    Re: 12.04 update - Grub - keyboard and mouse freeze

    The Boot repair pendrive works live and has Gparted on it if that is a help

  8. #18
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    Re: 12.04 update - Grub - keyboard and mouse freeze

    Normand;
    This is a cause for great concern:
    Partition 1 does not start on a physical sector boundary.

    I know of no way to fix it with out a great risk of corrupting the files on that partition....If you can get your hands on another hard disk there is an easy way out of all this.
    copy these backup files off to the other hard drive, and create a brand new partition table for sdb.

    Else we can leave that partition hosed up///as a "data" partition I do not think it will adversely affect operations. Then if that is acceptable, go ahead and remove all the other partitions...getting us "unallocated" space.... make a partition in that un allocated space ... copy partition 1 to the new partition at a later time and redo partition 1 .....

    for now we want the partitions containing the superfluous operating system gone
    Do you have any experience at all using the partition editor GParted ??
    Please take the time to read the help files.. once you have some experience with GParted it is a piece of cake... but at first it is very confusing !
    This is how:
    Fire up GParted in the liveUSB ->
    upper-right corner of the display are listed the devices that gparted is aware of -> select "sdb"
    -make sure device "sdb" remains identified as the 2nd hardrive we are going to work on in the "work" pane and the pendrive is not now seen as sdb --

    we are going to delete 3 partitions sdb5, sdb6 (the logical partitions in the "container" partition sda2 that is extended) then the extended partition sdb2.
    If you see any key icons in that display, means the partition is mounted... must be unmounted to be worked on, the extended partition may not be unmounted so long as any partition (swap in this case) is mounted -> right click on it and choose unmount.

    in the work display right click on partition sdb6 -> select delete
    in the work display right click on partition sdb5 -> select delete

    in the edit menu select apply operations - best of my poor memory is what it is called
    in the pop up re-affirm that you want to apply
    wait for these two operations to be completed

    in the work display now right click on sdb2 -> select delete
    repeat from the edit menu to remove the extended partiton sdb2....

    see the "unallocated" space in the work display that was just created ?
    right click on the unallocated space -> select new
    in the pop up options screen set an appropriate size for a new partition say 30000 (big !)give it 5MB space preceding the partition - allows operating room for working on the 1st partition later- check the box to allow it to "auto align" the partition, format set to ext4, and a label as "/data" the leading slash identifies this as a partition to everything that will relate to this space. apply ->pending operations;
    And again in the edit menu choose to apply pending operations... and in the pop up ...apply.
    at this time in the menus select "refresh devices" and verify what you see in the work display is but two partitions and unallocated space for future use !

    let me know when you get this far and are all done to this point,,,, then we look at grub on sda !

    THE current(cy) in Documentation:
    https://help.ubuntu.com/community/PopularPages

    Happy ubuntu'n !

  9. #19
    Join Date
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    Ubuntu 12.04 Precise Pangolin

    Re: 12.04 update - Grub - keyboard and mouse freeze

    I have an external hard drive for backups and will get all my data onto it first.

    Then whatever is easiest to clean up sdb ... following your instructions with Gparted - I have used it a bit before.
    ... or if there is anything easier just to reformat the thing since I will have all the data.

    Going for the data back up now - which will take a while. and will look back here shortly to see if there are other proposals before I go into Gparted

    Thanks again for alll your time and help

  10. #20
    Join Date
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    Xubuntu 16.04 Xenial Xerus

    Re: 12.04 update - Grub - keyboard and mouse freeze

    Normand;

    As you have your data backed up ...I done lots of typing -huh - for anothers' gain ...
    yepper,,, much better in GParted just to choose device in the menu and make a completely new partition table, then select that unallocated space - the whole drive may be formatted into one singe partition .... might want to consider say 3 partitions to dedicate for particular uses and/or for isolation. I always want a bit of space (default 1Mb) between partitions; same for the start of the first partition from that sector boundry and allow the partitioner to auto align.

    Before proceeding in this wiping out the present partition table on sdb ..... recheck, and check again that your backed-up data has indeed been backed up... happens may times where some one "thought" the data was safe, only to discover ...nope !

    I am here and watching for your go-ahead ...in between responding to others needs.

    more than one way to ->
    THE current(cy) in Documentation:
    https://help.ubuntu.com/community/PopularPages

    Happy ubuntu'n !

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