LinuxQuestions.org - Reinstalling grub

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Reinstalling grub

I need to reinstall grub on my system. How do I do this? I am using Mandriva linux 2006 on KDE. My /boot/grub folder only contains "mdv-grub_splash.xpm.gz" and "menu.lst.example". Here is a link to the larger problem at hand, though reinstalling grub is the current issue.

The best thing to do is to reinstall the kernel. If you reinstall the kernel, then all supporting files will be installed. You could also try to configure the bootloader from the Mandriva control center and see if that generates the right files.

How do I reinstall the kernel?

Quote:

Originally Posted by republicson

How do I reinstall the kernel?

Check which version you are using by doing "uname -a" in a terminal. Download the kernel from a Mandriva mirror and reinstall it using "rpm -Uvh --nodeps" as root.

Running "uname -a" results in:

Code:

Linux localhost 2.6.12-12mdksmp #1 SMP Fri Sep 9 17:43:23 CEST 2005 i686 Intel(R) Pentium(R) 4 CPU 2.80GHz unknown GNU/Linux

Then, I went into the Mandriva Linux Control Center/Software Packages Installation and installed "kernel-i586-up-1GB-2.6.12.12mdk-1-1mdk". Then i checked the contents of /boot/grub which remained the same.

After looking under installed packages in the Control Center, I now see the package I installed and "kernel-smp-2.6.12.12mdk-1-1mdk". Did I install the wrong one. Should I uninstall both and reinstall the original one? Should everything be fixed?

Here's a screenshot of Control Center.

In addition

Code:

[root@localhost ~]# rpm -Uvh --nodeps

rpm: no packages given for install

As root, type grub-install. It will install the files for you if they are not there and place GRUB in the master boot record.

Tried it Electro. Here's the results:

Code:

[root@localhost michael]# grub-install

install_device not specified.

Usage: grub-install [OPTION] install_device

Install GRUB on your drive.



  -h, --help              print this message and exit

  -v, --version          print the version information and exit

  --root-directory=DIR    install GRUB images under the directory DIR

                          instead of the root directory

  --grub-shell=FILE      use FILE as the grub shell

  --no-floppy            do not probe any floppy drive

  --force-lba            force GRUB to use LBA mode even for a buggy

                          BIOS

  --recheck              probe a device map even if it already exists



INSTALL_DEVICE can be a GRUB device name or a system device filename.



grub-install copies GRUB images into the DIR/boot directory specfied by

--root-directory, and uses the grub shell to install grub into the boot

sector.



Report bugs to <bug-grub@gnu.org>.

Apparently I need to point grub-install to something, but I don't know what.

Well, your printout tells the story. You need to tell grub-install WHERE to install. check grub manual (or maybe man grub-install)

I don't know where to install. I tried this:

Code:

[root@localhost michael]# grub-install /boot/grub

Format of install_device not recognized.

Usage: grub-install [OPTION] install_device

Install GRUB on your drive.



  -h, --help              print this message and exit

  -v, --version          print the version information and exit

  --root-directory=DIR    install GRUB images under the directory DIR

                          instead of the root directory

  --grub-shell=FILE      use FILE as the grub shell

  --no-floppy            do not probe any floppy drive

  --force-lba            force GRUB to use LBA mode even for a buggy

                          BIOS

  --recheck              probe a device map even if it already exists



INSTALL_DEVICE can be a GRUB device name or a system device filename.



grub-install copies GRUB images into the DIR/boot directory specfied by

--root-directory, and uses the grub shell to install grub into the boot

sector.



Report bugs to <bug-grub@gnu.org>.

I also tried this, but didn't follow it too well.

Code:

GRUB-INSTALL(8)                      FSF                      GRUB-INSTALL(8)



NAME

      grub-install - install GRUB on your drive



SYNOPSIS

      grub-install [OPTION] install_device



DESCRIPTION

      Install GRUB on your drive.



      -h, --help

              print this message and exit



      -v, --version

              print the version information and exit



      --root-directory=DIR

              install  GRUB images under the directory DIR instead of the root

              directory



      --grub-shell=FILE

              use FILE as the grub shell



      --no-floppy

              do not probe any floppy drive



      --force-lba

              force GRUB to use LBA mode even for a buggy BIOS



      --recheck

              probe a device map even if it already exists



      INSTALL_DEVICE can be a GRUB device name or a system device filename.



      grub-install copies GRUB images into the DIR/boot directory specfied by

      --root-directory, and uses the grub shell to install grub into the boot

      sector.



REPORTING BUGS

      Report bugs to <bug-grub@gnu.org>.



SEE ALSO

      The full documentation for grub-install is maintained as a Texinfo man-

      ual.  If  the info and grub-install programs are properly installed at

      your site, the command



      --no-floppy

              do not probe any floppy drive



      --force-lba

              force GRUB to use LBA mode even for a buggy BIOS



      --recheck

              probe a device map even if it already exists



      INSTALL_DEVICE can be a GRUB device name or a system device filename.



      grub-install copies GRUB images into the DIR/boot directory specfied by

      --root-directory, and uses the grub shell to install grub into the boot

      sector.



REPORTING BUGS

      Report bugs to <bug-grub@gnu.org>.



SEE ALSO

      The full documentation for grub-install is maintained as a Texinfo man-

      ual.  If  the info and grub-install programs are properly installed at

      your site, the command



      --no-floppy

              do not probe any floppy drive



      --force-lba

              force GRUB to use LBA mode even for a buggy BIOS



      --recheck

              probe a device map even if it already exists



      INSTALL_DEVICE can be a GRUB device name or a system device filename.



      grub-install copies GRUB images into the DIR/boot directory specfied by

      --root-directory, and uses the grub shell to install grub into the boot

      sector.



REPORTING BUGS

      Report bugs to <bug-grub@gnu.org>.



SEE ALSO

      The full documentation for grub-install is maintained as a Texinfo man-

      ual.  If  the info and grub-install programs are properly installed at

      your site, the command



              info grub-install



      should give you access to the complete manual.



grub-install (GNU GRUB 0.97)      May 2005                    GRUB-INSTALL(8)

As a result I tried this:

Code:

[root@localhost michael]# info grub-install

bash: info: command not found

Assume you want grub located at your Master Boot Record on /dev/hda , type this :
grub-install /dev/hda
Hope it helps you .

[root@localhost michael]# info grub-install
bash: info: command not found

=> You not installed info yet .

I tried it on various parts of my drive with the same error:

Code:

[root@localhost michael]# grub-install /dev/sda

The file /boot/grub/stage1 not read correctly.

[root@localhost michael]# grub-install /dev/sda5

The file /boot/grub/stage1 not read correctly.

[root@localhost michael]# grub-install /dev/hda

/dev/hda: Not found or not a block device.

[root@localhost michael]# grub-install /dev/sda6

The file /boot/grub/stage1 not read correctly.

[root@localhost michael]# grub-install /dev/hda6

/dev/hda6: Not found or not a block device.

[root@localhost michael]# grub-install /dev/sda3

/dev/sda3: Not found or not a block device.

[root@localhost michael]# grub-install /dev/sda1

The file /boot/grub/stage1 not read correctly.

[root@localhost michael]# grub-install /dev/sda

The file /boot/grub/stage1 not read correctly.

[root@localhost michael]# grub-install /dev/sda5

The file /boot/grub/stage1 not read correctly.

Quote:

Originally Posted by republicson

In addition

Code:

[root@localhost ~]# rpm -Uvh --nodeps

rpm: no packages given for install

You did not stipulate which package to install. The right way is

Code:

# rpm -Uvh --nodeps kernel-version.rpm

kernel-version.rpm would be the version of the kernel you have downloaded and are going to install.

Anyway it seems like grub is not installed properly. I would uninstall it using rpmdrake and then reinstall it. After that reinstall your kernel so that it generates the right /boot/grub/menu.lst and other supporting files.

regarding Grub install

hai..isawyour message ..

this is steps wefollow...
1. Boot your system using first CD in boot prompt type "linux rescue"
2. after getting one popup window just type "chroot /mnt/sysimage"
3. and lastly you get prompt..and then type "grub-install/dev/hda"(before that yousure about hard diskis connected to mastrer or slave)
4. and them reboot your system

with regards
Saran