Safest way to remove other installed OS
This is my current configuration
Device Boot Start End Sectors Size Id Type
/dev/sda1 2048 743215128 743213081 354.4G 83 Linux
/dev/sda2 743217150 976771071 233553922 111.4G 5 Extended
/dev/sda5 964487168 976771071 12283904 5.9G 82 Linux swap / Solaris
/dev/sda6 * 743217152 744265727 1048576 512M ef EFI (FAT-12/16/32)
/dev/sda7 744267776 860537355 116269580 55.5G 83 Linux
/dev/sda8 860538880 964478975 103940096 49.6G 83 Linux
And here the explanation, yesterday I have changed my computer. All hardware is new, except the hard disk, where I have a working Ubuntu 18.04 (/dev/sda1)
When I tried to boot the computer, it gave some errors so I tried to fix it by booting with USB device
/dev/sda7 refers to the first try, I installed a new Ubuntu alongside the old one, using free space in HD... Grub was not loading, so I made a second try, installing again a new Ubuntu alongside the others, using more free space. /dev/sda8 refers to that second try
Later, I found a solution & I have been able to boot the old Ubuntu... so now I want to safely delete that 2 new installed Ubuntus
After reading this Proper way to remove other operating systems after installing ubuntu? I am not sure if just deleting that 2 partitions would be a good idea, as they are the most recent OS in the computer
Any tips?
grub2 partitions boot-partition
asked Feb 13 at 19:19
Raul SanchezRaul Sanchez
1013
add a comment |
This is my current configuration
Device Boot Start End Sectors Size Id Type
/dev/sda1 2048 743215128 743213081 354.4G 83 Linux
/dev/sda2 743217150 976771071 233553922 111.4G 5 Extended
/dev/sda5 964487168 976771071 12283904 5.9G 82 Linux swap / Solaris
/dev/sda6 * 743217152 744265727 1048576 512M ef EFI (FAT-12/16/32)
/dev/sda7 744267776 860537355 116269580 55.5G 83 Linux
/dev/sda8 860538880 964478975 103940096 49.6G 83 Linux
And here the explanation, yesterday I have changed my computer. All hardware is new, except the hard disk, where I have a working Ubuntu 18.04 (/dev/sda1)
When I tried to boot the computer, it gave some errors so I tried to fix it by booting with USB device
/dev/sda7 refers to the first try, I installed a new Ubuntu alongside the old one, using free space in HD... Grub was not loading, so I made a second try, installing again a new Ubuntu alongside the others, using more free space. /dev/sda8 refers to that second try
Later, I found a solution & I have been able to boot the old Ubuntu... so now I want to safely delete that 2 new installed Ubuntus
After reading this Proper way to remove other operating systems after installing ubuntu? I am not sure if just deleting that 2 partitions would be a good idea, as they are the most recent OS in the computer
Any tips?
grub2 partitions boot-partition
asked Feb 13 at 19:19
Raul SanchezRaul Sanchez
1013
Deleting them safe. After deletion runupdate-grubfrom sda1 Ubuntu to remove deleted installations from boot menu. In case you have some booting problems make live cd/usb before deletion, you may use it if something fail, to repair.
– LeonidMew
Feb 13 at 19:41
3
I suspectupdate-grubwon't be enough; yes it'll update the grub menus to reflect the removed partitions, but if the soon-to-be-killed OSes owned the boot sector I suspect you'll need to ensure MBR points correct and I'd suggest also runninggrub-install(help.ubuntu.com/community/Grub2/Installing in the re-installing from a working system section). @LeonidMew's advice was good, but addinggrub-installwon't create any problems and may be necessary in my opinion (if your kept OS wasn't the last installed)
– guiverc
Feb 13 at 21:45
1
Thanks... You should post this as answer, I will accept it
– Raul Sanchez
Feb 14 at 6:29
add a comment |
This is my current configuration
Device Boot Start End Sectors Size Id Type
/dev/sda1 2048 743215128 743213081 354.4G 83 Linux
/dev/sda2 743217150 976771071 233553922 111.4G 5 Extended
/dev/sda5 964487168 976771071 12283904 5.9G 82 Linux swap / Solaris
/dev/sda6 * 743217152 744265727 1048576 512M ef EFI (FAT-12/16/32)
/dev/sda7 744267776 860537355 116269580 55.5G 83 Linux
/dev/sda8 860538880 964478975 103940096 49.6G 83 Linux
And here the explanation, yesterday I have changed my computer. All hardware is new, except the hard disk, where I have a working Ubuntu 18.04 (/dev/sda1)
When I tried to boot the computer, it gave some errors so I tried to fix it by booting with USB device
/dev/sda7 refers to the first try, I installed a new Ubuntu alongside the old one, using free space in HD... Grub was not loading, so I made a second try, installing again a new Ubuntu alongside the others, using more free space. /dev/sda8 refers to that second try
Later, I found a solution & I have been able to boot the old Ubuntu... so now I want to safely delete that 2 new installed Ubuntus
After reading this Proper way to remove other operating systems after installing ubuntu? I am not sure if just deleting that 2 partitions would be a good idea, as they are the most recent OS in the computer
Any tips?
grub2 partitions boot-partition
asked Feb 13 at 19:19
Raul SanchezRaul Sanchez
1013
This is my current configuration
Device Boot Start End Sectors Size Id Type
/dev/sda1 2048 743215128 743213081 354.4G 83 Linux
/dev/sda2 743217150 976771071 233553922 111.4G 5 Extended
/dev/sda5 964487168 976771071 12283904 5.9G 82 Linux swap / Solaris
/dev/sda6 * 743217152 744265727 1048576 512M ef EFI (FAT-12/16/32)
/dev/sda7 744267776 860537355 116269580 55.5G 83 Linux
/dev/sda8 860538880 964478975 103940096 49.6G 83 Linux
And here the explanation, yesterday I have changed my computer. All hardware is new, except the hard disk, where I have a working Ubuntu 18.04 (/dev/sda1)
When I tried to boot the computer, it gave some errors so I tried to fix it by booting with USB device
/dev/sda7 refers to the first try, I installed a new Ubuntu alongside the old one, using free space in HD... Grub was not loading, so I made a second try, installing again a new Ubuntu alongside the others, using more free space. /dev/sda8 refers to that second try
Later, I found a solution & I have been able to boot the old Ubuntu... so now I want to safely delete that 2 new installed Ubuntus
After reading this Proper way to remove other operating systems after installing ubuntu? I am not sure if just deleting that 2 partitions would be a good idea, as they are the most recent OS in the computer
Any tips?
grub2 partitions boot-partition
grub2 partitions boot-partition
asked Feb 13 at 19:19
Raul SanchezRaul Sanchez
1013
asked Feb 13 at 19:19
Raul SanchezRaul Sanchez
1013
asked Feb 13 at 19:19
Raul SanchezRaul Sanchez
1013
asked Feb 13 at 19:19
Raul SanchezRaul Sanchez
1013
asked Feb 13 at 19:19
Raul SanchezRaul Sanchez
1013
1013
Deleting them safe. After deletion runupdate-grubfrom sda1 Ubuntu to remove deleted installations from boot menu. In case you have some booting problems make live cd/usb before deletion, you may use it if something fail, to repair.
– LeonidMew
Feb 13 at 19:41
3
I suspectupdate-grubwon't be enough; yes it'll update the grub menus to reflect the removed partitions, but if the soon-to-be-killed OSes owned the boot sector I suspect you'll need to ensure MBR points correct and I'd suggest also runninggrub-install(help.ubuntu.com/community/Grub2/Installing in the re-installing from a working system section). @LeonidMew's advice was good, but addinggrub-installwon't create any problems and may be necessary in my opinion (if your kept OS wasn't the last installed)
– guiverc
Feb 13 at 21:45
1
Thanks... You should post this as answer, I will accept it
– Raul Sanchez
Feb 14 at 6:29
add a comment |
Deleting them safe. After deletion runupdate-grubfrom sda1 Ubuntu to remove deleted installations from boot menu. In case you have some booting problems make live cd/usb before deletion, you may use it if something fail, to repair.
– LeonidMew
Feb 13 at 19:41
3
I suspectupdate-grubwon't be enough; yes it'll update the grub menus to reflect the removed partitions, but if the soon-to-be-killed OSes owned the boot sector I suspect you'll need to ensure MBR points correct and I'd suggest also runninggrub-install(help.ubuntu.com/community/Grub2/Installing in the re-installing from a working system section). @LeonidMew's advice was good, but addinggrub-installwon't create any problems and may be necessary in my opinion (if your kept OS wasn't the last installed)
– guiverc
Feb 13 at 21:45
1
Thanks... You should post this as answer, I will accept it
– Raul Sanchez
Feb 14 at 6:29
Deleting them safe. After deletion run
update-grub from sda1 Ubuntu to remove deleted installations from boot menu. In case you have some booting problems make live cd/usb before deletion, you may use it if something fail, to repair.– LeonidMew
Feb 13 at 19:41
Deleting them safe. After deletion run
update-grub from sda1 Ubuntu to remove deleted installations from boot menu. In case you have some booting problems make live cd/usb before deletion, you may use it if something fail, to repair.– LeonidMew
Feb 13 at 19:41
3
3
I suspect
update-grub won't be enough; yes it'll update the grub menus to reflect the removed partitions, but if the soon-to-be-killed OSes owned the boot sector I suspect you'll need to ensure MBR points correct and I'd suggest also running grub-install (help.ubuntu.com/community/Grub2/Installing in the re-installing from a working system section). @LeonidMew's advice was good, but adding grub-install won't create any problems and may be necessary in my opinion (if your kept OS wasn't the last installed)– guiverc
Feb 13 at 21:45
I suspect
update-grub won't be enough; yes it'll update the grub menus to reflect the removed partitions, but if the soon-to-be-killed OSes owned the boot sector I suspect you'll need to ensure MBR points correct and I'd suggest also running grub-install (help.ubuntu.com/community/Grub2/Installing in the re-installing from a working system section). @LeonidMew's advice was good, but adding grub-install won't create any problems and may be necessary in my opinion (if your kept OS wasn't the last installed)– guiverc
Feb 13 at 21:45
1
1
Thanks... You should post this as answer, I will accept it
– Raul Sanchez
Feb 14 at 6:29
Thanks... You should post this as answer, I will accept it
– Raul Sanchez
Feb 14 at 6:29
add a comment |
1 Answer
1
active
oldest
votes
Following the comments finally I just deleted /dev/sda7 & /dev/sda8 partitions (in my case, with https://gparted.org/) and then
sudo update-grub
sudo grub-install /dev/sda
answered Feb 15 at 18:00
Raul SanchezRaul Sanchez
1013
add a comment |
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Following the comments finally I just deleted /dev/sda7 & /dev/sda8 partitions (in my case, with https://gparted.org/) and then
sudo update-grub
sudo grub-install /dev/sda
answered Feb 15 at 18:00
Raul SanchezRaul Sanchez
1013
add a comment |
Following the comments finally I just deleted /dev/sda7 & /dev/sda8 partitions (in my case, with https://gparted.org/) and then
sudo update-grub
sudo grub-install /dev/sda
answered Feb 15 at 18:00
Raul SanchezRaul Sanchez
1013
add a comment |
Following the comments finally I just deleted /dev/sda7 & /dev/sda8 partitions (in my case, with https://gparted.org/) and then
sudo update-grub
sudo grub-install /dev/sda
answered Feb 15 at 18:00
Raul SanchezRaul Sanchez
1013
Following the comments finally I just deleted /dev/sda7 & /dev/sda8 partitions (in my case, with https://gparted.org/) and then
sudo update-grub
sudo grub-install /dev/sda
answered Feb 15 at 18:00
Raul SanchezRaul Sanchez
1013
answered Feb 15 at 18:00
Raul SanchezRaul Sanchez
1013
answered Feb 15 at 18:00
Raul SanchezRaul Sanchez
1013
answered Feb 15 at 18:00
Raul SanchezRaul Sanchez
1013
1013
add a comment |
add a comment |
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Deleting them safe. After deletion run
update-grubfrom sda1 Ubuntu to remove deleted installations from boot menu. In case you have some booting problems make live cd/usb before deletion, you may use it if something fail, to repair.– LeonidMew
Feb 13 at 19:41
3
I suspect
update-grubwon't be enough; yes it'll update the grub menus to reflect the removed partitions, but if the soon-to-be-killed OSes owned the boot sector I suspect you'll need to ensure MBR points correct and I'd suggest also runninggrub-install(help.ubuntu.com/community/Grub2/Installing in the re-installing from a working system section). @LeonidMew's advice was good, but addinggrub-installwon't create any problems and may be necessary in my opinion (if your kept OS wasn't the last installed)– guiverc
Feb 13 at 21:45
1
Thanks... You should post this as answer, I will accept it
– Raul Sanchez
Feb 14 at 6:29