selinux, grub-pc, sda: what to do?











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I wanted to install selinux on Ubuntu 16.04. The system asked me to install grub-pc:



1



Since I don't know which option I should select, I looked for similar issues on the web and I noticed I don't have /dev/sda.



Could someone explain me what I am supposed to do and why I don't have /dev/sda?










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  • 1




    You have the newer NVMe SSD drive and your install is LVM with encryption. Grub-pc is for BIOS boot, almost all new NVMe drives are on newer UEFI systems using UEFI boot. But you are not showing an ESP - efi system partition, so maybe BIOS/CSM/Legacy install.
    – oldfred
    Nov 28 at 15:22















up vote
1
down vote

favorite












I wanted to install selinux on Ubuntu 16.04. The system asked me to install grub-pc:



1



Since I don't know which option I should select, I looked for similar issues on the web and I noticed I don't have /dev/sda.



Could someone explain me what I am supposed to do and why I don't have /dev/sda?










share|improve this question




















  • 1




    You have the newer NVMe SSD drive and your install is LVM with encryption. Grub-pc is for BIOS boot, almost all new NVMe drives are on newer UEFI systems using UEFI boot. But you are not showing an ESP - efi system partition, so maybe BIOS/CSM/Legacy install.
    – oldfred
    Nov 28 at 15:22













up vote
1
down vote

favorite









up vote
1
down vote

favorite











I wanted to install selinux on Ubuntu 16.04. The system asked me to install grub-pc:



1



Since I don't know which option I should select, I looked for similar issues on the web and I noticed I don't have /dev/sda.



Could someone explain me what I am supposed to do and why I don't have /dev/sda?










share|improve this question















I wanted to install selinux on Ubuntu 16.04. The system asked me to install grub-pc:



1



Since I don't know which option I should select, I looked for similar issues on the web and I noticed I don't have /dev/sda.



Could someone explain me what I am supposed to do and why I don't have /dev/sda?







16.04 grub2 selinux






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edited Nov 28 at 15:02









pa4080

13.2k52561




13.2k52561










asked Nov 28 at 14:53









alba

61




61








  • 1




    You have the newer NVMe SSD drive and your install is LVM with encryption. Grub-pc is for BIOS boot, almost all new NVMe drives are on newer UEFI systems using UEFI boot. But you are not showing an ESP - efi system partition, so maybe BIOS/CSM/Legacy install.
    – oldfred
    Nov 28 at 15:22














  • 1




    You have the newer NVMe SSD drive and your install is LVM with encryption. Grub-pc is for BIOS boot, almost all new NVMe drives are on newer UEFI systems using UEFI boot. But you are not showing an ESP - efi system partition, so maybe BIOS/CSM/Legacy install.
    – oldfred
    Nov 28 at 15:22








1




1




You have the newer NVMe SSD drive and your install is LVM with encryption. Grub-pc is for BIOS boot, almost all new NVMe drives are on newer UEFI systems using UEFI boot. But you are not showing an ESP - efi system partition, so maybe BIOS/CSM/Legacy install.
– oldfred
Nov 28 at 15:22




You have the newer NVMe SSD drive and your install is LVM with encryption. Grub-pc is for BIOS boot, almost all new NVMe drives are on newer UEFI systems using UEFI boot. But you are not showing an ESP - efi system partition, so maybe BIOS/CSM/Legacy install.
– oldfred
Nov 28 at 15:22










1 Answer
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You have dm-0, dm-1 etc. By device mapper in the kernel, used by LVM.



cmd:



dmsetup ls


to find out which is /dev/sda.






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    up vote
    0
    down vote













    You have dm-0, dm-1 etc. By device mapper in the kernel, used by LVM.



    cmd:



    dmsetup ls


    to find out which is /dev/sda.






    share|improve this answer

























      up vote
      0
      down vote













      You have dm-0, dm-1 etc. By device mapper in the kernel, used by LVM.



      cmd:



      dmsetup ls


      to find out which is /dev/sda.






      share|improve this answer























        up vote
        0
        down vote










        up vote
        0
        down vote









        You have dm-0, dm-1 etc. By device mapper in the kernel, used by LVM.



        cmd:



        dmsetup ls


        to find out which is /dev/sda.






        share|improve this answer












        You have dm-0, dm-1 etc. By device mapper in the kernel, used by LVM.



        cmd:



        dmsetup ls


        to find out which is /dev/sda.







        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered Nov 28 at 15:37









        Hobbyist

        1,196617




        1,196617






























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