Difference between revisions of "GRUB/Restore the GRUB Bootloader"
→Identify and Prepare the Installed Partition(s)
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= Identify and Prepare the Installed Partition(s) = | = Identify and Prepare the Installed Partition(s) = | ||
{{tip|'''If you had installed Manjaro using the ''assisted preparation'' method''' - whereby the installer automatically prepared and partitioned your computer's hard disk for you - then you will have the same four partitions as those listed by the author, below. This will include a separate Boot partition, named ''/dev/sda1''.}} | {{tip|'''If you had installed Manjaro using the ''assisted preparation'' method''' --whereby the installer automatically prepared and partitioned your computer's hard disk for you-- then you will have the same four partitions as those listed by the author, below. This will include a separate Boot partition, named ''/dev/sda1''.}} | ||
{{note|The procedure given below may also be described as [https://wiki.archlinux.org/index.php/Change_Root chroot](ing).}} | {{note|The procedure given below may also be described as [https://wiki.archlinux.org/index.php/Change_Root chroot](ing).}} | ||
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sudo su | sudo su | ||
'''2.''' List your partitions. This is necessary in order to identify the partition your Manjaro system is installed on. If you have used a separate boot partition, it will be necessary to identify this as well. For a list of your paritions, enter the command: | |||
lsblk -f | |||
or | |||
sudo blkid | sudo blkid -o list -c /dev/nul | ||
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If you are still unsure, then you can also use an application called ''gparted'', which should be | If you are still unsure, then you can also use an application called ''gparted'', which should be in Menu > System > GPartEd. This will provide a simple visual illustration of the partitions on your hard drive(s). If a separate partition for the GRUB exists, it will be marked as 'bootable', and should only be about 100MB in size. | ||
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'''IF''' you have used a | '''IF''' you have used a separate partition for your GRUB bootloader, then this must also be mounted. The syntax to mount a separate partition used to boot is: | ||
mount /dev/'''[partition used for GRUB]''' /mnt/boot | mount /dev/'''[partition used for GRUB]''' /mnt/boot | ||
In this instance, a | In this instance, a separate partition --''/dev/sda1''-- has been used for the GRUB, and will be mounted using the following command: | ||
mount /dev/'''sda1''' /mnt/boot | mount /dev/'''sda1''' /mnt/boot | ||
{{note|Again, if you have not used a | {{note|Again, if you have not used a separate boot partition, then it (obviously) does not need to be mounted!}} | ||
'''3.''' Change to the root directory of your mounted partitions. This is undertaken so that you are working from - and with - your installed system, rather than the installation media. To do so, it will be necessary to enter a series of commands in the following order: | '''3.''' Change to the root directory of your mounted partitions. This is undertaken so that you are working from --and with-- your installed system, rather than the installation media. To do so, it will be necessary to enter a series of commands in the following order: | ||
mount -t proc proc /mnt/proc | mount -t proc proc /mnt/proc | ||
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'''4.''' Install the software applications ''mtools'' and ''os-prober''. mtools is a collection of tools to access | '''4.''' Install the software applications ''mtools'' and ''os-prober''. mtools is a collection of tools to access MS-DOS disks from GNU/Linux and Unix without mounting them. os-prober is a utility that detects if there are any other operating systems present. Install them both with the following command: | ||
pacman -S mtools os-prober | pacman -S mtools os-prober | ||