- Nov 3, 2013
- 3
- 0
- 10,510
error :no such partition
- Thread starter shingategr
- Start date
- Nov 3, 2013
- 3
- 0
- 10,510
Step 1: Know you root partition
Boot from live CD, DVD or USB drive. Try Ubuntu from live disk. Open a terminal (Ctrl+Alt+T) and use the following command:
sudo su
fdisk -l
Here, you will see the drive name and partition number. It should look like sdXY. Where X is the drive letter and Y is the partition number. Usually it should be like sdaY. You have to recognize the partition where root has been installed.
Step 2: Mount the root partition
Once we have got the partition where root has been installed, we’ll mount the root partition where Ubuntu has been installed. Use the following commands to mount it:
sudo mkdir /mnt/temp
sudo mount /dev/sdXY /mnt/temp
Replace XY with appropriate values.
Step 3: Be the CHROOT
Once we have the partition mounted, next step is to mount certain items in preparation of the chroot. Run the following commands one by one:
for i in /dev /dev/pts /proc /sys; do sudo mount -B $i /mnt/temp$i; done
sudo cp /etc/resolv.conf /mnt/temp/etc/resolv.conf
sudo chroot /mnt/temp
If the above commands ran successfully, you’ll see root@ubuntu:/# in the terminal indicating that you are in chroot mode.
Step 4: Purge Grub 2 packages
Now when we are in chroot environment (you can think of it as if we are behaving as root for the mounted partition)., time to get rid of the Grub 2 packages but before that lets update the repository.
apt-get update
apt-get purge grub grub-pc grub-common
While removing the grub, you’ll see a strange screen asking if you want to remove Grub 2 packages. Press TAB to select Yes. It will be highlighted once selected. Press enter to proceed.
Boot from live CD, DVD or USB drive. Try Ubuntu from live disk. Open a terminal (Ctrl+Alt+T) and use the following command:
sudo su
fdisk -l
Here, you will see the drive name and partition number. It should look like sdXY. Where X is the drive letter and Y is the partition number. Usually it should be like sdaY. You have to recognize the partition where root has been installed.
Step 2: Mount the root partition
Once we have got the partition where root has been installed, we’ll mount the root partition where Ubuntu has been installed. Use the following commands to mount it:
sudo mkdir /mnt/temp
sudo mount /dev/sdXY /mnt/temp
Replace XY with appropriate values.
Step 3: Be the CHROOT
Once we have the partition mounted, next step is to mount certain items in preparation of the chroot. Run the following commands one by one:
for i in /dev /dev/pts /proc /sys; do sudo mount -B $i /mnt/temp$i; done
sudo cp /etc/resolv.conf /mnt/temp/etc/resolv.conf
sudo chroot /mnt/temp
If the above commands ran successfully, you’ll see root@ubuntu:/# in the terminal indicating that you are in chroot mode.
Step 4: Purge Grub 2 packages
Now when we are in chroot environment (you can think of it as if we are behaving as root for the mounted partition)., time to get rid of the Grub 2 packages but before that lets update the repository.
apt-get update
apt-get purge grub grub-pc grub-common
While removing the grub, you’ll see a strange screen asking if you want to remove Grub 2 packages. Press TAB to select Yes. It will be highlighted once selected. Press enter to proceed.
- Nov 3, 2013
- 3
- 0
- 10,510
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