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Thread: [Boot-Repair] Graphical tool to repair the PC boot in one click

  1. #1231
    Join Date
    Apr 2011
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    3rd Rock from the Sun
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    Distro
    Ubuntu Development Release

    Re: [Boot-Repair] Graphical tool to repair the PC boot in 1 click!

    Remove grub-common: Try again using chroot...

    Code:
    dpkg --purge grub-common
    apt-get remove --purge grub-common
    apt-get update
    apt-get dist-upgrade
    mv /boot/grub /boot/grub_backup
    mkdir /boot/grub
    apt-get install grub-pc grub-common
    grub-install /dev/sda
    grub-install --recheck /dev/sda
    "Evolution is Nature's way of issuing upgrades."


  2. #1232
    Join Date
    Dec 2009
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    17

    Re: [Boot-Repair] Graphical tool to repair the PC boot in 1 click!

    grub-common is no longer installed:

    root@ubuntu:/# dpkg --purge grub-common
    dpkg: warning: there's no installed package matching grub-common

    then I follow all the steps and this is what I get:

    -----------------
    root@ubuntu:/# mv /boot/grub /boot/grub_backup
    mv: cannot move `/boot/grub' to `/boot/grub_backup/grub': Directory not empty
    root@ubuntu:/# mkdir /boot/grub
    mkdir: cannot create directory `/boot/grub': File exists
    root@ubuntu:/# apt-get install grub-pc grub-common
    Reading package lists... Done
    Building dependency tree
    Reading state information... Done
    Some packages could not be installed. This may mean that you have
    requested an impossible situation or if you are using the unstable
    distribution that some required packages have not yet been created
    or been moved out of Incoming.
    The following information may help to resolve the situation:

    The following packages have unmet dependencies:
    grub-common : Depends: liblzma2 (>= 4.999.9beta) but it is not installable
    E: Unable to correct problems, you have held broken packages.
    root@ubuntu:/#
    -----------------

  3. #1233
    Join Date
    Dec 2009
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    17

    Re: [Boot-Repair] Graphical tool to repair the PC boot in 1 click!

    this is like the Seinfeld episode where you can't get delivery because 'you named names' !

  4. #1234
    Join Date
    Jun 2009
    Location
    SW Forida
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    Hidden!
    Distro
    Ubuntu 16.04 Xenial Xerus

    Re: [Boot-Repair] Graphical tool to repair the PC boot in 1 click!

    All I can suggest is this and maybe a second time.
    # fix Broken packages -f
    apt-get -f install
    dpkg --configure -a


    Beyond that I do not know what is out of sync. And then I would back up /home and any other data you may have and make a list of installed apps if you have added a lot and then re install.

    Oldfred's list of stuff to backup May 2011:
    http://ubuntuforums.org/showthread.php?t=1748541
    Last edited by oldfred; June 23rd, 2013 at 06:32 PM.
    For more info on UEFI boot install & repair - Regularly Updated :
    http://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to change to [Solved] when/if answered completely.

  5. #1235
    Join Date
    Dec 2009
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    17

    Re: [Boot-Repair] Graphical tool to repair the PC boot in 1 click!

    OK, thanks....I'm leaning towards that.

    I have a couple of concerns:

    1) my /home was encrypted. I have a backup, but I wonder if I will be able to restore it to an unencrypted new /home. Is my backup encrypted as well? I use the backup tool that comes with Ubuntu. Is it safer to unencryp and do the backup again? I tried unencrypting following some threads I found and it didn't work out....

    2) If I follow your suggestions on the link above, would I be saving configurations I've made that took a while to figure out: such as how to have my tv card and remote work, etc

    Thank you

  6. #1236
    Join Date
    Jun 2009
    Location
    SW Forida
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    Distro
    Ubuntu 16.04 Xenial Xerus

    Re: [Boot-Repair] Graphical tool to repair the PC boot in 1 click!

    If you did some custom configurations that are system wide, then those may be in /etc. I normally try to save a copy of any file in /etc I manually edit in /home and just backup /home. But /etc is not large.

    I do not know about encryption. Some links.
    Includes chroot:
    https://help.ubuntu.com/community/En...home_directory
    http://ubuntuforums.org/showthread.php?t=2028865
    http://www.howtogeek.com/116297/how-...ory-on-ubuntu/
    chroot & reinstall grub encrypted LVM
    http://stephentanner.com/index.php/2...encrypted-lvm/
    Encryption:
    Restore lost partition that was truecrypt
    http://ubuntuforums.org/showthread.php?t=1874260
    http://worldsmostsecret.blogspot.com...encrypted.html
    For more info on UEFI boot install & repair - Regularly Updated :
    http://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to change to [Solved] when/if answered completely.

  7. #1237
    Join Date
    Nov 2011
    Location
    /dev/root
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    Hidden!

    Re: [Boot-Repair] Graphical tool to repair the PC boot in 1 click!

    Quote Originally Posted by ipeurtt View Post
    OK, thanks....I'm leaning towards that.

    I have a couple of concerns:

    1) my /home was encrypted. I have a backup, but I wonder if I will be able to restore it to an unencrypted new /home. Is my backup encrypted as well? I use the backup tool that comes with Ubuntu. Is it safer to unencryp and do the backup again? I tried unencrypting following some threads I found and it didn't work out....

    2) If I follow your suggestions on the link above, would I be saving configurations I've made that took a while to figure out: such as how to have my tv card and remote work, etc

    Thank you
    Encryption makes it harder for you as well as for the intruder.

    The encrypted home needs a special passphrase, that you were encouraged (once) to save. If you did not save it, I think you are out of luck, unless you have a complete image of the installed system and remember the password to your user account. Because then you can reinstall it.

    The backup might and might not save the encrypted files. It depends on how is was created. For example, if you run rsync from a user with read access (your user on your user acccout), the files are not encrypted. If you run Clonezilla, there are only the encrypted versions in the image.

  8. #1238
    Join Date
    Dec 2009
    Beans
    17

    Re: [Boot-Repair] Graphical tool to repair the PC boot in 1 click!

    I actually saved that passphrase

    When I moved /home to its own partition, I followed this:

    https://help.ubuntu.com/community/Pa...ng/Home/Moving

    Now the data in that partition occupies double the amount of space, so I think I have both the unencrypted /home and the encrypted one.

    I'd like to unencrypt /home, leave it in that partition, and re-install ubuntu.

    Do you know how to do that?

    Thanks

  9. #1239
    Join Date
    Nov 2011
    Location
    /dev/root
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    Hidden!

    Re: [Boot-Repair] Graphical tool to repair the PC boot in 1 click!

    @ipeurtt

    I have not done it. If you don't find it browsing the Ubuntu wiki pages, try internet. But let us also ask for help. I think you can start a new thread with a good descriptive title and describe this particular problem. Start it in the security forum, and you have better chances to attract people who can help you.

  10. #1240
    Join Date
    Dec 2009
    Beans
    17

    Re: [Boot-Repair] Graphical tool to repair the PC boot in 1 click!

    OK, let me do that. Thanks everybody for the support.

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