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Thread: HOWTO: Remove Older Kernels via GUI

  1. #11
    Join Date
    Jul 2011
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    25

    Re: HOWTO: Remove Older Kernels via GUI

    Thanks, drs350. I'm updating and upgrading now.
    I have downloaded Ubuntu Tweak, read your tutorial yesterday, but am unable to install it. The error given is "Error: Dependency is not satisfiable: python (>= 2.7)". Tried again now but no go.

    Will post again after upgrading...will take 30 mts. at my download speed.

    Will you clarify on my doubt "Is there a way computer boots into Lucid without going through grub?"

    I have read about BURG elsewhere. Is it useful?
    RK

    RK.

  2. #12
    Join Date
    Jan 2007
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    Hidden!
    Distro
    Ubuntu Development Release

    Re: HOWTO: Remove Older Kernels via GUI

    Quote Originally Posted by rkanth View Post
    Thanks, drs350. I'm updating and upgrading now.
    I have downloaded Ubuntu Tweak, read your tutorial yesterday, but am unable to install it. The error given is "Error: Dependency is not satisfiable: python (>= 2.7)". Tried again now but no go.

    Will post again after upgrading...will take 30 mts. at my download speed.

    Will you clarify on my doubt "Is there a way computer boots into Lucid without going through grub?"

    I have read about BURG elsewhere. Is it useful?
    RK

    RK.
    The "error dependency" message relates to trying to download the latest version of Ubuntu Tweak on an older version of Ubuntu. You have to download an earlier version of UT. If you did it via the command line I would have suspected APT to use the correct version.

    If you downloaded it via the UT website and clicked "Download", it would have selected an incompatible version. Just below the download button, in small type, it says for 10.10 and has a link for older versions. You will have to click the 'older versions' link.

    You have to go through Grub (normally) to get into Lucid, but that doesn't mean you have to see the menu for long (or at all) or that you have to manually make a selection (unless it's broken). How long the menu is displayed it based on a setting in /etc/default/grub. You can set the timeout by manually editing the file or using Grub Customizer to reduce the timeout. I'd suggest leaving it at a minimum of 1 second so you can interrupt the process by pressing any key. (You should be able to display the menu by holding down the SHIFT key, but I'd set the timeout to at least 1 second until you are sure the SHIFT key method stops the boot).

    BURG is very useful for those wanting to use themes. The creator has done very good work and is well ahead of GRUB as far as advanced menu visuals and theming go. But generally, if all you want is to boot your system, perhaps even with pretty font colors and a nice background image, Grub will do nicely.
    GRUB2

    Retired.

  3. #13
    Join Date
    Jul 2011
    Beans
    25

    Re: HOWTO: Remove Older Kernels via GUI

    Yes, I downloaded the wrong UT. Thanks.
    Tweak is not showing any kernels in its window! Is it because I hid all but .28 in grub customiser?
    Also, despite unchecking, memtest is displayed in grub...alas, xp also made a reappearance...
    grub version is displayed as 1.97...is it grub 2?
    All I want is that .14 to go or come down the list and 32.28 to be the first, so that it boots...

  4. #14
    Join Date
    Jan 2007
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    Hidden!
    Distro
    Ubuntu Development Release

    Re: HOWTO: Remove Older Kernels via GUI

    I think at this point I would uninstall Grub Customizer and get things back to normal. You can reinstall it afterwards.

    To remove GC, take a look at Step 7 in the 'Customizer' link in my signature line. Once it is removed, run "sudo update-grub".

    You can get rid of the memtest entry by making it's script un-executable:
    Code:
    sudo chmod -x /etc/grub.d/20_memtest86+
    sudo update-grub
    We can also disable the ability to check for other OS's (including Windows) so it isn't included in the Grub menu. Doing this will prevent Grub from finding any other OS's or ones you install later, so this may not be something you want to do. (You can reverse it by changing the -x to +x again).
    Code:
    sudo chmod -x /etc/grub.d/30_os-prober
    sudo update-grub
    The reason UT may not show any kernels is that it has only found one on your system (and it is in use). It won't display the running kernel.

    If you still are having problems, the best thing would be to download/extract/run the boot info script and post the contents of RESULTS.txt (Click the "BIS" link in my signature line). It will show us exactly (almost) what is going on with your boot files, kernels and menu.
    GRUB2

    Retired.

  5. #15
    Join Date
    Jul 2011
    Beans
    25

    Re: HOWTO: Remove Older Kernels via GUI

    Okay, I think I've totally screwed up
    the computer won't boot. I used a live-usb which gave me the option of .28 (only.28 and .28 recovery which i originally wanted). It booted into Lucid and I'm here.

    Unable to use file browser to normal grub2. It says I'm not owner and can't modify files...typing sudo su in the terminal did not make Root in the GUI file browser. Otherwise all my iles and programs are working fine but I can't use live-usb everytime I boot, can I?

    meanwhile found out where .14 was coming from and taking me to empty karmic....it's on sda9 while .28 is on sda1 according to grub optimiser. Any solution?
    Thanks
    RK

  6. #16
    Join Date
    Jul 2011
    Beans
    25

    Re: HOWTO: Remove Older Kernels via GUI

    okay here's the Results.txt from running BIS:

    #
    Code:
                      Boot Info Script 0.60    from 17 May 2011
    
    
    ============================= Boot Info Summary: ===============================
    
     => Grub2 (v1.97-1.98) is installed in the MBR of /dev/sda and looks at sector 
        1 of the same hard drive for core.img. core.img is at this location and 
        looks in partition 1 for /boot/grub.
     => Grub2 (v1.97-1.98) is installed in the MBR of /dev/sdb and looks at sector 
        1 of the same hard drive for core.img. core.img is at this location and 
        looks in partition 9 for /boot/grub.
    
    sda1: __________________________________________________________________________
    
        File system:       ext4
        Boot sector type:  -
        Boot sector info:  
        Operating System:  Ubuntu 10.04.2 LTS
        Boot files:        /boot/grub/grub.cfg /etc/fstab /boot/grub/core.img
    
    sda2: __________________________________________________________________________
    
        File system:       Extended Partition
        Boot sector type:  Unknown
        Boot sector info:  
    
    sda5: __________________________________________________________________________
    
        File system:       swap
        Boot sector type:  -
        Boot sector info:  
    
    sdb1: __________________________________________________________________________
    
        File system:       ntfs
        Boot sector type:  Windows XP
        Boot sector info:   No errors found in the Boot Parameter Block.
        Operating System:  Windows XP
        Boot files:        /boot.ini /ntldr /NTDETECT.COM
    
    sdb2: __________________________________________________________________________
    
        File system:       Extended Partition
        Boot sector type:  Unknown
        Boot sector info:  
    
    sdb5: __________________________________________________________________________
    
        File system:       vfat
        Boot sector type:  -
        Boot sector info:   No errors found in the Boot Parameter Block.
        Operating System:  
        Boot files:        
    
    sdb6: __________________________________________________________________________
    
        File system:       vfat
        Boot sector type:  -
        Boot sector info:   No errors found in the Boot Parameter Block.
        Operating System:  
        Boot files:        
    
    sdb7: __________________________________________________________________________
    
        File system:       vfat
        Boot sector type:  -
        Boot sector info:   No errors found in the Boot Parameter Block.
        Operating System:  
        Boot files:        
    
    sdb8: __________________________________________________________________________
    
        File system:       vfat
        Boot sector type:  -
        Boot sector info:   No errors found in the Boot Parameter Block.
        Operating System:  
        Boot files:        
    
    sdb9: __________________________________________________________________________
    
        File system:       ext4
        Boot sector type:  -
        Boot sector info:  
        Operating System:  Ubuntu 9.10
        Boot files:        /boot/grub/grub.cfg /etc/fstab /boot/grub/core.img
    
    sdb10: _________________________________________________________________________
    
        File system:       swap
        Boot sector type:  -
        Boot sector info:  
    
    ============================ Drive/Partition Info: =============================
    
    Drive: sda _____________________________________________________________________
    
    Disk /dev/sda: 160.0 GB, 160041885696 bytes
    255 heads, 63 sectors/track, 19457 cylinders, total 312581808 sectors
    Units = sectors of 1 * 512 = 512 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes
    
    Partition  Boot  Start Sector    End Sector  # of Sectors  Id System
    
    /dev/sda1    *          2,048   299,808,767   299,806,720  83 Linux
    /dev/sda2         299,810,814   312,580,095    12,769,282   5 Extended
    /dev/sda5         299,810,816   312,580,095    12,769,280  82 Linux swap / Solaris
    
    
    Drive: sdb _____________________________________________________________________
    
    Disk /dev/sdb: 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
    
    Partition  Boot  Start Sector    End Sector  # of Sectors  Id System
    
    /dev/sdb1    *             63    51,102,764    51,102,702   7 NTFS / exFAT / HPFS
    /dev/sdb2          51,102,889   488,392,064   437,289,176   f W95 Extended (LBA)
    /dev/sdb5          78,140,223   156,280,319    78,140,097   b W95 FAT32
    /dev/sdb6         156,280,383   312,544,574   156,264,192   b W95 FAT32
    /dev/sdb7         312,544,638   400,452,254    87,907,617   b W95 FAT32
    /dev/sdb8         400,452,318   488,392,064    87,939,747   b W95 FAT32
    /dev/sdb9          51,102,891    76,903,154    25,800,264  83 Linux
    /dev/sdb10         76,903,218    78,140,159     1,236,942  82 Linux swap / Solaris
    
    
    "blkid" output: ________________________________________________________________
    
    Device           UUID                                   TYPE       LABEL
    
    /dev/sda1        d9639e45-c39e-4c55-b158-44cd9a6822c4   ext4       
    /dev/sda5        e529b793-6353-47e4-b172-0887e89953f5   swap       
    /dev/sdb1        82D4A69ED4A69447                       ntfs       
    /dev/sdb10       62ae6f14-351b-4822-a609-fac1187620af   swap       
    /dev/sdb5        7413-A5C7                              vfat       DISK1_VOL2
    /dev/sdb6        7D64-3245                              vfat       NEWYORKER
    /dev/sdb7        82A1-6F10                              vfat       PICASA
    /dev/sdb8        87DF-49F7                              vfat       SAILASURYA
    /dev/sdb9        5cb1f38e-6315-46f9-937c-cef083a56288   ext4       
    
    ================================ Mount points: =================================
    
    Device           Mount_Point              Type       Options
    
    /dev/sda1        /                        ext4       (rw,errors=remount-ro)
    /dev/sr1         /media/Access Manager    iso9660    (ro,nosuid,nodev,uhelper=udisks,uid=1000,gid=1000,iocharset=utf8,mode=0400,dmode=0500)
    
    
    =========================== sda1/boot/grub/grub.cfg: ===========================
    
    --------------------------------------------------------------------------------
    #
    # DO NOT EDIT THIS FILE
    #
    # It is automatically generated by /usr/sbin/grub-mkconfig using templates
    # from /etc/grub.d and settings from /etc/default/grub
    #
    
    ### BEGIN /etc/grub.d/00_header ###
    if [ -s $prefix/grubenv ]; then
      load_env
    fi
    set default="${saved_entry}"
    if [ ${prev_saved_entry} ]; then
      set saved_entry=${prev_saved_entry}
      save_env saved_entry
      set prev_saved_entry=
      save_env prev_saved_entry
      set boot_once=true
    fi
    
    function savedefault {
      if [ -z ${boot_once} ]; then
        saved_entry=${chosen}
        save_env saved_entry
      fi
    }
    
    function recordfail {
      set recordfail=1
      if [ -n ${have_grubenv} ]; then if [ -z ${boot_once} ]; then save_env recordfail; fi; fi
    }
    insmod ext2
    set root='(hd0,1)'
    search --no-floppy --fs-uuid --set d9639e45-c39e-4c55-b158-44cd9a6822c4
    if loadfont /usr/share/grub/unicode.pf2 ; then
      set gfxmode=640x480
      insmod gfxterm
      insmod vbe
      if terminal_output gfxterm ; then true ; else
        # For backward compatibility with versions of terminal.mod that don't
        # understand terminal_output
        terminal gfxterm
      fi
    fi
    insmod ext2
    set root='(hd0,1)'
    search --no-floppy --fs-uuid --set d9639e45-c39e-4c55-b158-44cd9a6822c4
    set locale_dir=($root)/boot/grub/locale
    set lang=en
    insmod gettext
    if [ ${recordfail} = 1 ]; then
      set timeout=-1
    else
      set timeout=7
    fi
    ### END /etc/grub.d/00_header ###
    
    ### BEGIN /etc/grub.d/05_debian_theme ###
    set menu_color_normal=white/black
    set menu_color_highlight=black/light-gray
    ### END /etc/grub.d/05_debian_theme ###
    
    ### BEGIN /etc/grub.d/10_linux_proxy ###
    menuentry "Ubuntu, with Linux 2.6.32-28-generic" --class ubuntu --class gnu-linux --class gnu --class os {
    	recordfail
    	savedefault
    	insmod ext2
    	set root='(hd0,1)'
    	search --no-floppy --fs-uuid --set d9639e45-c39e-4c55-b158-44cd9a6822c4
    	linux	/boot/vmlinuz-2.6.32-28-generic root=UUID=d9639e45-c39e-4c55-b158-44cd9a6822c4 ro   quiet splash
    	initrd	/boot/initrd.img-2.6.32-28-generic
    }
    menuentry "Ubuntu, with Linux 2.6.32-28-generic (recovery mode)" --class ubuntu --class gnu-linux --class gnu --class os {
    	recordfail
    	savedefault
    	insmod ext2
    	set root='(hd0,1)'
    	search --no-floppy --fs-uuid --set d9639e45-c39e-4c55-b158-44cd9a6822c4
    	echo	'Loading Linux 2.6.32-28-generic ...'
    	linux	/boot/vmlinuz-2.6.32-28-generic root=UUID=d9639e45-c39e-4c55-b158-44cd9a6822c4 ro single 
    	echo	'Loading initial ramdisk ...'
    	initrd	/boot/initrd.img-2.6.32-28-generic
    }
    ### END /etc/grub.d/10_linux_proxy ###
    
    ### BEGIN /etc/grub.d/30_os-prober ###
    if [ ${timeout} != -1 ]; then
      if keystatus; then
        if keystatus --shift; then
          set timeout=-1
        else
          set timeout=0
        fi
      else
        if sleep --interruptible 3 ; then
          set timeout=0
        fi
      fi
    fi
    ### END /etc/grub.d/30_os-prober ###
    --------------------------------------------------------------------------------
    
    =============================== sda1/etc/fstab: ================================
    
    --------------------------------------------------------------------------------
    # /etc/fstab: static file system information.
    #
    # Use 'blkid -o value -s UUID' to print the universally unique identifier
    # for a device; this may be used with UUID= as a more robust way to name
    # devices that works even if disks are added and removed. See fstab(5).
    #
    # <file system> <mount point>   <type>  <options>       <dump>  <pass>
    proc            /proc           proc    nodev,noexec,nosuid 0       0
    # / was on /dev/sda1 during installation
    UUID=d9639e45-c39e-4c55-b158-44cd9a6822c4 /               ext4    errors=remount-ro 0       1
    # swap was on /dev/sda5 during installation
    UUID=e529b793-6353-47e4-b172-0887e89953f5 none            swap    sw              0       0
    /dev/fd0        /media/floppy0  auto    rw,user,noauto,exec,utf8 0       0
    --------------------------------------------------------------------------------
    
    =================== sda1: Location of files loaded by Grub: ====================
    
               GiB - GB             File                                 Fragment(s)
    
       8.145065308 = 8.745697280    boot/grub/core.img                             1
      76.268646240 = 81.892835328   boot/grub/grub.cfg                             1
       8.141010284 = 8.741343232    boot/initrd.img-2.6.32-28-generic              1
       8.195892334 = 8.800272384    boot/initrd.img-2.6.32-32-generic              1
       8.132194519 = 8.731877376    boot/vmlinuz-2.6.32-28-generic                 1
       8.149269104 = 8.750211072    boot/vmlinuz-2.6.32-32-generic                 1
       8.195892334 = 8.800272384    initrd.img                                     1
       8.141010284 = 8.741343232    initrd.img.old                                 1
       8.149269104 = 8.750211072    vmlinuz                                        1
       8.132194519 = 8.731877376    vmlinuz.old                                    1
    
    ================================ sdb1/boot.ini: ================================
    
    --------------------------------------------------------------------------------
    [boot loader]
    timeout=30
    default=multi(0)disk(0)rdisk(0)partition(1)\WINDOWS
    [operating systems]
    multi(0)disk(0)rdisk(0)partition(1)\WINDOWS="Microsoft Windows XP Professional" /noexecute=optin /fastdetect /usepmtimer
    --------------------------------------------------------------------------------
    
    =========================== sdb9/boot/grub/grub.cfg: ===========================
    
    --------------------------------------------------------------------------------
    #
    # DO NOT EDIT THIS FILE
    #
    # It is automatically generated by /usr/sbin/grub-mkconfig using templates
    # from /etc/grub.d and settings from /etc/default/grub
    #
    
    ### BEGIN /etc/grub.d/00_header ###
    if [ -s /boot/grub/grubenv ]; then
      have_grubenv=true
      load_env
    fi
    set default="0"
    if [ ${prev_saved_entry} ]; then
      saved_entry=${prev_saved_entry}
      save_env saved_entry
      prev_saved_entry=
      save_env prev_saved_entry
    fi
    insmod ext2
    set root=(hd1,9)
    search --no-floppy --fs-uuid --set 5cb1f38e-6315-46f9-937c-cef083a56288
    if loadfont /usr/share/grub/unicode.pf2 ; then
      set gfxmode=640x480
      insmod gfxterm
      insmod vbe
      if terminal_output gfxterm ; then true ; else
        # For backward compatibility with versions of terminal.mod that don't
        # understand terminal_output
        terminal gfxterm
      fi
    fi
    if [ ${recordfail} = 1 ]; then
      set timeout=-1
    else
      set timeout=10
    fi
    ### END /etc/grub.d/00_header ###
    
    ### BEGIN /etc/grub.d/05_debian_theme ###
    set menu_color_normal=white/black
    set menu_color_highlight=black/white
    ### END /etc/grub.d/05_debian_theme ###
    
    ### BEGIN /etc/grub.d/10_linux_proxy ###
    menuentry "Ubuntu, Linux 2.6.31-14-generic-pae" {
            recordfail=1
            if [ -n ${have_grubenv} ]; then save_env recordfail; fi
    	set quiet=1
    	insmod ext2
    	set root=(hd1,9)
    	search --no-floppy --fs-uuid --set 5cb1f38e-6315-46f9-937c-cef083a56288
    	linux	/boot/vmlinuz-2.6.31-14-generic-pae root=UUID=5cb1f38e-6315-46f9-937c-cef083a56288 ro   quiet splash
    	initrd	/boot/initrd.img-2.6.31-14-generic-pae
    }
    ### END /etc/grub.d/10_linux_proxy ###
    
    ### BEGIN /etc/grub.d/30_os-prober_proxy ###
    ### END /etc/grub.d/30_os-prober_proxy ###
    --------------------------------------------------------------------------------
    
    =============================== sdb9/etc/fstab: ================================
    
    --------------------------------------------------------------------------------
    # /etc/fstab: static file system information.
    #
    # Use 'blkid -o value -s UUID' to print the universally unique identifier
    # for a device; this may be used with UUID= as a more robust way to name
    # devices that works even if disks are added and removed. See fstab(5).
    #
    # <file system> <mount point>   <type>  <options>       <dump>  <pass>
    proc            /proc           proc    defaults        0       0
    # / was on /dev/sdb9 during installation
    UUID=5cb1f38e-6315-46f9-937c-cef083a56288 /               ext4    errors=remount-ro 0       1
    # swap was on /dev/sdb10 during installation
    UUID=62ae6f14-351b-4822-a609-fac1187620af none            swap    sw              0       0
    /dev/scd0       /media/cdrom1   udf,iso9660 user,noauto,exec,utf8 0       0
    /dev/fd0        /media/floppy0  auto    rw,user,noauto,exec,utf8 0       0
    --------------------------------------------------------------------------------
    
    =================== sdb9: Location of files loaded by Grub: ====================
    
               GiB - GB             File                                 Fragment(s)
    
      27.514813900 = 29.543806464   boot/grub/core.img                             1
      25.166593075 = 27.022423552   boot/grub/grub.cfg                             1
      25.163957119 = 27.019593216   boot/initrd.img-2.6.31-14-generic-pae          2
      27.453427792 = 29.477893632   boot/vmlinuz-2.6.31-14-generic-pae             2
      25.163957119 = 27.019593216   initrd.img                                     2
      27.453427792 = 29.477893632   vmlinuz                                        2
    
    ======================== Unknown MBRs/Boot Sectors/etc: ========================
    
    Unknown BootLoader on sda2
    
    00000000  2d 48 20 6c 6f 67 69 6e  5f 68 6f 73 74 5d 20 6c  |-H login_host] l|
    00000010  69 6e 65 20 62 61 75 64  5f 72 61 74 65 2c 2e 2e  |ine baud_rate,..|
    00000020  2e 20 5b 74 65 72 6d 74  79 70 65 5d 0a 00 00 00  |. [termtype]....|
    00000030  2f 64 65 76 2f 25 73 3a  20 6e 6f 74 20 61 20 63  |/dev/%s: not a c|
    00000040  68 61 72 61 63 74 65 72  20 64 65 76 69 63 65 00  |haracter device.|
    00000050  2f 64 65 76 2f 25 73 3a  20 63 61 6e 6e 6f 74 20  |/dev/%s: cannot |
    00000060  6f 70 65 6e 20 61 73 20  73 74 61 6e 64 61 72 64  |open as standard|
    00000070  20 69 6e 70 75 74 3a 20  25 6d 00 00 0d 0a 00 75  | input: %m.....u|
    00000080  6e 6b 6e 6f 77 6e 5f 64  6f 6d 61 69 6e 00 53 75  |nknown_domain.Su|
    00000090  6e 00 4d 6f 6e 00 54 75  65 00 57 65 64 00 54 68  |n.Mon.Tue.Wed.Th|
    000000a0  75 00 46 72 69 00 53 61  74 00 4a 61 6e 00 46 65  |u.Fri.Sat.Jan.Fe|
    000000b0  62 00 4d 61 72 00 41 70  72 00 4d 61 79 00 4a 75  |b.Mar.Apr.May.Ju|
    000000c0  6e 00 4a 75 6c 00 41 75  67 00 53 65 70 00 4f 63  |n.Jul.Aug.Sep.Oc|
    000000d0  74 00 4e 6f 76 00 44 65  63 00 25 73 20 25 73 20  |t.Nov.Dec.%s %s |
    000000e0  25 64 20 20 25 64 00 25  30 32 64 3a 25 30 32 64  |%d  %d.%02d:%02d|
    000000f0  3a 25 30 32 64 00 25 6c  64 00 25 64 20 00 75 73  |:%02d.%ld.%d .us|
    00000100  65 72 00 75 73 65 72 73  00 20 6c 6f 67 69 6e 3a  |er.users. login:|
    00000110  20 00 2f 76 61 72 2f 72  75 6e 2f 75 74 6d 70 00  | ./var/run/utmp.|
    00000120  2f 76 61 72 2f 6c 6f 67  2f 77 74 6d 70 00 25 73  |/var/log/wtmp.%s|
    00000130  3a 20 74 63 73 65 74 61  74 74 72 3a 20 54 43 53  |: tcsetattr: TCS|
    00000140  41 4e 4f 57 3a 20 25 6d  00 25 73 3a 20 72 65 61  |ANOW: %m.%s: rea|
    00000150  64 3a 20 25 6d 00 25 73  3a 20 69 6e 70 75 74 20  |d: %m.%s: input |
    00000160  6f 76 65 72 72 75 6e 00  2f 64 65 76 00 2f 64 65  |overrun./dev./de|
    00000170  76 3a 20 63 68 64 69 72  28 29 20 66 61 69 6c 65  |v: chdir() faile|
    00000180  64 3a 20 25 6d 00 2f 64  65 76 2f 25 73 3a 20 25  |d: %m./dev/%s: %|
    00000190  6d 00 25 73 3a 20 6e 6f  74 20 6f 70 65 6e 20 66  |m.%s: not open f|
    000001a0  6f 72 20 72 65 61 64 2f  77 72 69 74 65 00 25 73  |or read/write.%s|
    000001b0  3a 20 64 75 70 20 70 72  6f 62 6c 65 6d 3a 00 fe  |: dup problem:..|
    000001c0  ff ff 82 fe ff ff 02 00  00 00 00 d8 c2 00 00 00  |................|
    000001d0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
    *
    000001f0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 55 aa  |..............U.|
    00000200
    
    Unknown BootLoader on sdb2
    
    00000000  3e 78 88 c5 b0 d7 35 ad  1a 88 db 69 39 f3 16 b2  |>x....5....i9...|
    00000010  9b 64 c8 64 78 18 d6 31  b3 13 0c 8e be a1 4c 55  |.d.dx..1......LU|
    00000020  54 53 36 4e 18 96 b4 f1  48 81 4d 54 a4 ed d3 6a  |TS6N....H.MT...j|
    00000030  54 ab 6d e9 b3 ca c3 89  99 94 ef 8e 9b c8 4b bc  |T.m...........K.|
    00000040  68 66 3c 7c d2 6a 3a e6  ae 74 e2 b0 42 52 06 ea  |hf<|.j:..t..BR..|
    00000050  8d 32 60 10 cc 73 dc 95  d4 5e 25 97 03 81 40 ac  |.2`..s...^%...@.|
    00000060  79 eb 14 07 e7 54 de ec  e2 43 5f 1e aa 1e 0f 36  |y....T...C_....6|
    00000070  de 83 80 27 03 b1 5f 5c  62 b1 85 d0 ba a9 f9 38  |...'.._\b......8|
    00000080  e5 10 5a 9d 71 94 7a 32  55 cb 05 02 38 19 50 05  |..Z.q.z2U...8.P.|
    00000090  36 0b 46 a0 29 8d 44 1d  41 19 57 91 7a 38 0e 42  |6.F.).D.A.W.z8.B|
    000000a0  40 63 0a 36 b6 6c 9d e0  e2 96 ae 00 4c 52 ec 3e  |@c.6.l......LR.>|
    000000b0  35 30 a7 e1 ef a4 72 24  37 ae 1d 93 aa 3c 08 12  |50....r$7....<..|
    000000c0  9a 5a 89 7a d8 ef 1f b4  f8 14 af 75 85 b5 4e 1d  |.Z.z.......u..N.|
    000000d0  ec 3b 1f ef 06 7e 93 0e  9f 01 64 24 45 3f 4f da  |.;...~....d$E?O.|
    000000e0  3b a7 4e 19 04 4e 98 a7  0d b4 31 ed 36 79 6a 71  |;.N..N....1.6yjq|
    000000f0  cb 53 1e 66 55 4f 1c 3b  9f 3c 9a a7 be 62 1f 0c  |.S.fUO.;.<...b..|
    00000100  81 c5 59 0f 1d 16 b9 76  30 e4 de 9c 38 59 34 c7  |..Y....v0...8Y4.|
    00000110  e8 d9 e5 77 06 41 45 80  5c af f4 0c cd bc 29 bd  |...w.AE.\.....).|
    00000120  67 69 e8 76 00 4d ae 34  0c d3 5a 78 89 44 de 70  |gi.v.M.4..Zx.D.p|
    00000130  1c ca ce 9a 1d 3f 1e 70  18 f0 d2 41 c1 9b 64 64  |.....?.p...A..dd|
    00000140  c0 14 71 08 71 f0 ca b8  5e 48 a3 50 5c 5f e1 ec  |..q.q...^H.P\_..|
    00000150  ce 91 aa f2 cf 01 44 35  16 1c 20 b8 4c 7b 4f 05  |......D5.. .L{O.|
    00000160  31 29 71 93 8a 20 ef d0  94 32 c2 50 28 8b 61 68  |1)q.. ...2.P(.ah|
    00000170  4a 9a 93 db 7b 64 34 4d  7d ea b1 b9 49 02 9b e0  |J...{d4M}...I...|
    00000180  e0 08 34 a4 78 25 66 ff  8f fa a2 f0 85 73 55 8c  |..4.x%f......sU.|
    00000190  0e 40 70 66 02 8e 08 55  4e 50 70 43 00 e6 37 ef  |.@pf...UNPpC..7.|
    000001a0  f8 f5 57 c1 49 5c 6c ea  20 89 9b 67 8d 8e c3 21  |..W.I\l. ..g...!|
    000001b0  f7 f3 e4 e3 3a a1 dd f1  cf cb a4 85 ef 70 00 01  |....:........p..|
    000001c0  c1 ff 0b fe ff ff 96 8e  9c 01 c1 52 a8 04 00 fe  |...........R....|
    000001d0  ff ff 05 fe ff ff 57 e1  44 06 3f 67 50 09 00 00  |......W.D.?gP...|
    000001e0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
    000001f0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 55 aa  |..............U.|
    00000200
    
    
    ========= Devices which don't seem to have a corresponding hard drive: =========
    
    sdc 
    
    =============================== StdErr Messages: ===============================
    
    umount: /tmp/BootInfo0/sdb5: device is busy.
            (In some cases useful info about processes that use
             the device is found by lsof(8) or fuser(1))
    Last edited by drs305; July 9th, 2011 at 06:31 PM.

  7. #17
    Join Date
    Jul 2011
    Beans
    25

    Re: HOWTO: Remove Older Kernels via GUI

    And I don't want to go through reinstalling Lucid and 2 gig download of update, upgrade ISOs.....
    Last edited by rkanth; July 9th, 2011 at 06:25 PM.

  8. #18
    Join Date
    Jan 2007
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    Re: HOWTO: Remove Older Kernels via GUI

    From the LiveCD, mount sda1 and reinstall grub:
    Code:
    sudo mount /dev/sda1 /mnt
    sudo grub-install --root-directory=/mnt /dev/sda
    Do not include the partition number in the second command.

    Reboot and make sure BIOS is booting sda first.

    After booting back into your normal installation (without the LiveCD), run "sudo update-grub".
    Last edited by drs305; July 9th, 2011 at 06:33 PM.
    GRUB2

    Retired.

  9. #19
    Join Date
    Jul 2011
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    25

    Re: HOWTO: Remove Older Kernels via GUI

    Thanks drs 350, but as I said in my very first post, I'm a tech Zero.

    1. I have only a usb start-up disk that I made from Lucid ISO, not a live-cd; will this be enough?

    2. I know how to go into BIOS. but where do I look for "sda first"?

    3.How do I bring up the terminal to type the commands you provided?

    RK

  10. #20
    Join Date
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    Re: HOWTO: Remove Older Kernels via GUI

    Quote Originally Posted by rkanth View Post
    Thanks drs 350, but as I said in my very first post, I'm a tech Zero.

    1. I have only a usb start-up disk that I made from Lucid ISO, not a live-cd; will this be enough?

    2. I know how to go into BIOS. but where do I look for "sda first"?

    3.How do I bring up the terminal to type the commands you provided?

    RK
    The USB startup disk will work as well as long as it boots you to an Ubuntu Desktop where you can open a terminal, or boots to the command prompt where you can do the same.

    In BIOS, you would look for a section called "Boot" or something similar. There should be a section on Boot Priority, and you want to select the 160GB drive (the other is 250GB).

    To open a terminal, from the top menu, select Applications, Accessories, Terminal. Or you can ALT-F2 and type the commands or "gnome-terminal" to open a separate terminal window.
    GRUB2

    Retired.

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