Updating Grub
I'm trying to update the grub so i can have two OS on this machine! i'm trying to make appear a row on the grub entry and i'm no getting it! Here's some of the outputs that i'm getting:
sudo grub-install /dev/sda2
Installing for x86_64-efi platform.
Installation finished. No error reported.
sudo update-grub
Generating grub configuration file ...
Found linux image: /boot/vmlinuz-4.10.0-19-generic
Found initrd image: /boot/initrd.img-4.10.0-19-generic
Adding boot menu entry for EFI firmware configuration
done
sudo fdisk -l
Disk /dev/sda: 223,6 GiB, 240057409536 bytes, 468862128 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: dos
Disk identifier: 0x4f3e687f
Device Boot Start End Sectors Size Id Type
/dev/sda1 * 2048 1026047 1024000 500M 7 HPFS/NTFS/exFAT
/dev/sda2 1026048 468858879 467832832 223,1G 7 HPFS/NTFS/exFAT
Disk /dev/sdb: 931,5 GiB, 1000204886016 bytes, 1953525168 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: gpt
Disk identifier: 639A1F6F-2B2A-40D4-896C-6CC8B9CA42C6
Device Start End Sectors Size Type
/dev/sdb1 34 262177 262144 128M Microsoft reserved
/dev/sdb2 264192 1953523711 1953259520 931,4G Microsoft basic data
Partition 1 does not start on physical sector boundary.
Disk /dev/sdc: 298,1 GiB, 320072933376 bytes, 625142448 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: gpt
Disk identifier: C1341E80-9CF0-4A92-B4E1-BA5B04FB5415
Device Start End Sectors Size Type
/dev/sdc1 2048 1050623 1048576 512M EFI System
/dev/sdc2 1050624 625141759 624091136 297,6G Linux filesystem
I'm having a boot flag on dev/sda1, i'm viewing the files on it (i think)! i'm wondering if the boot flag is on the correct device! How can i add that disk to the grub menu on startup?
Comments
-
@LinuxSearch said:
I'm trying to update the grub so i can have two OS on this machine! i'm trying to make appear a row on the grub entry and i'm no getting it! Here's some of the outputs that i'm getting:sudo grub-install /dev/sda2
Installing for x86_64-efi platform.
Installation finished. No error reported.
sudo update-grub
Generating grub configuration file ...
Found linux image: /boot/vmlinuz-4.10.0-19-generic
Found initrd image: /boot/initrd.img-4.10.0-19-generic
Adding boot menu entry for EFI firmware configuration
done
sudo fdisk -l
Disk /dev/sda: 223,6 GiB, 240057409536 bytes, 468862128 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: dos
Disk identifier: 0x4f3e687f
Device Boot Start End Sectors Size Id Type
/dev/sda1 * 2048 1026047 1024000 500M 7 HPFS/NTFS/exFAT
/dev/sda2 1026048 468858879 467832832 223,1G 7 HPFS/NTFS/exFAT
Disk /dev/sdb: 931,5 GiB, 1000204886016 bytes, 1953525168 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: gpt
Disk identifier: 639A1F6F-2B2A-40D4-896C-6CC8B9CA42C6
Device Start End Sectors Size Type
/dev/sdb1 34 262177 262144 128M Microsoft reserved
/dev/sdb2 264192 1953523711 1953259520 931,4G Microsoft basic data
Partition 1 does not start on physical sector boundary.
Disk /dev/sdc: 298,1 GiB, 320072933376 bytes, 625142448 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: gpt
Disk identifier: C1341E80-9CF0-4A92-B4E1-BA5B04FB5415
Device Start End Sectors Size Type
/dev/sdc1 2048 1050623 1048576 512M EFI System
/dev/sdc2 1050624 625141759 624091136 297,6G Linux filesystem
I'm having a boot flag on dev/sda1, i'm viewing the files on it (i think)! i'm wondering if the boot flag is on the correct device! How can i add that disk to the grub menu on startup?
Thanks for this so much, was stuck but this cleared everything up.
Regards,
Shane0 -
@LinuxSearch said:
I'm trying to update the grub so i can have two OS on this machine! i'm trying to make appear a row on the grub entry and i'm no getting it! Here's some of the outputs that i'm getting:sudo grub-install /dev/sda2
Installing for x86_64-efi platform.
Installation usps tracking finished. No error reported.
sudo update-grub
Generating grub configuration file ...
Found linux image: /boot/vmlinuz-4.10.0-19-generic
Found initrd image: /boot/initrd.img-4.10.0-19-generic
Adding boot menu entry for EFI firmware configuration
done
sudo fdisk -l
Disk /dev/sda: 223,6 GiB, 240057409536 bytes, 468862128 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: dos
Disk identifier: 0x4f3e687f
Device Boot Start End Sectors Size Id Type
/dev/sda1 * 2048 1026047 1024000 500M 7 HPFS/NTFS/exFAT
/dev/sda2 1026048 468858879 467832832 223,1G 7 HPFS/NTFS/exFAT
Disk /dev/sdb: 931,5 GiB, 1000204886016 bytes, 1953525168 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: gpt
Disk identifier: 639A1F6F-2B2A-40D4-896C-6CC8B9CA42C6
Device Start End Sectors Size Type
/dev/sdb1 34 262177 262144 128M Microsoft reserved
/dev/sdb2 264192 1953523711 1953259520 931,4G Microsoft basic data
Partition 1 does not start on physical sector boundary.
Disk /dev/sdc: 298,1 GiB, 320072933376 bytes, 625142448 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: gpt
Disk identifier: C1341E80-9CF0-4A92-B4E1-BA5B04FB5415
Device Start End Sectors Size Type
/dev/sdc1 2048 1050623 1048576 512M EFI System
/dev/sdc2 1050624 625141759 624091136 297,6G Linux filesystem
I'm having a boot flag on dev/sda1, i'm viewing the files on it (i think)! i'm wondering if the boot flag is on the correct device! How can i add that disk to the grub menu on startup?
Thanks for the help..
Regards,
Shane0
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