Friday, January 22, 2010

Nessecary Tools for Booting Issues on ubuntu and windows , Bootloader, Grub , MBR

Sorry guys that I dont update that much, I am stuck with my university in Iran, it is funny I fail my courses with bad scores and those guys who dont know a thing about comptuer get best scores okay enough nagging let read my newest article !

Having Windows Xp, Windows Vista, Windows Seven , ubuntu 8.04 and ubuntu 9.10 on two hard disks , has made me an expertise in facing all kind of problem with Dual booting (I guess I should say Quad booting) .

I had written an article about grub three years ago and I still receive emails saying "Thank you that saved my ass".

here I want to introduce some links and applications to save more asses ;)

Warning : these list items are not steps , don't do them blindly one after another, these are seprate solutions for seprate problems .

  • First of all Grub 2 Tutorial on the forum is a great reference for all !

  • if you deleted one of your partitions and the partition table became invalid then try
    TestDisk

  • it is always a good idea to see a list of your partitions in ubuntu (you can always boot from an Ubuntu live CD)
    sudo fdisk -l
    in the results you can see the bootable partition is marked with a * and you an see their official name (the name that computer knows them by)
    for i.e :
    /dev/sdb2 * 5043 9562 36306900 7 HPFS/NTFS
    that tells me sdb2 (the second partion of my B hard disk is bootable and its filesystem is NTFS) and its address is /dev/sdb2

  • if you deleted your Windows bootloader . (in my case I deleted the first partition of windows hard disk) and windows MBR was gone, you can restore it using an Ubuntu live CD
    sudo apt-get install lilo
    sudo lilo -M /dev/sda mbr

    Replace sda with your hard disk ,for i.e if want to restore the windows MBR of your second hard disk it would be :
    sudo lilo -M /dev/sdb mbr
  • Partition Magic 8.1 Bootable CD is available on torrents , you can search and download if it is legal in your country . (I can't give you a direct link but you can search in Torrentz )
  • Gparted Live CD is an open source clone of Partition magic .
    in gparted you can , right click on the partition you want then click on "Manage Flags" then you can make a partition bootable by marking the boot flag.

  • SystemRescueCD is a great linux Live CD , that does tons of things , from partion-ing to cloning and repairing more !

  • there are Russian windows live CDs that are useful , find them on torrentz at your own legal risk (becareful they are fake virus ones too)

  • to make your grub menu beautiful , you can always try Start up Manager
    for ubuntu

  • for windows vista and windows 7 , you can out the instalation CD in and choose repair my compuer, to get back windows bootloader (yes that would destroy your linux bootloader)
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