fdisk: cannot open /dev/sdb1: No such file or directory












1















I will great my own os, when I load hello.bin to my usb using



sudo dd if=hello.bin  of=/dev/sdb1 bs=512 count=1


Testing bootable USB using Qemu with this command:



sudo  qemu-system-i386  dev/sdb


the result is



qemu-system-i386: Could not open 'dev/sdb': No such file or directory


How can I solve my problem?










share|improve this question
















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    1















    I will great my own os, when I load hello.bin to my usb using



    sudo dd if=hello.bin  of=/dev/sdb1 bs=512 count=1


    Testing bootable USB using Qemu with this command:



    sudo  qemu-system-i386  dev/sdb


    the result is



    qemu-system-i386: Could not open 'dev/sdb': No such file or directory


    How can I solve my problem?










    share|improve this question
















    bumped to the homepage by Community 10 mins ago


    This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.


















      1












      1








      1








      I will great my own os, when I load hello.bin to my usb using



      sudo dd if=hello.bin  of=/dev/sdb1 bs=512 count=1


      Testing bootable USB using Qemu with this command:



      sudo  qemu-system-i386  dev/sdb


      the result is



      qemu-system-i386: Could not open 'dev/sdb': No such file or directory


      How can I solve my problem?










      share|improve this question
















      I will great my own os, when I load hello.bin to my usb using



      sudo dd if=hello.bin  of=/dev/sdb1 bs=512 count=1


      Testing bootable USB using Qemu with this command:



      sudo  qemu-system-i386  dev/sdb


      the result is



      qemu-system-i386: Could not open 'dev/sdb': No such file or directory


      How can I solve my problem?







      usb






      share|improve this question















      share|improve this question













      share|improve this question




      share|improve this question








      edited Dec 3 '17 at 14:39









      Zanna

      50.7k13135241




      50.7k13135241










      asked Dec 3 '17 at 13:49









      nareman alhawarinareman alhawari

      612




      612





      bumped to the homepage by Community 10 mins ago


      This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.







      bumped to the homepage by Community 10 mins ago


      This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
























          1 Answer
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          You are trying to perform very dangerous actions.

          Any mistake here may cost very high.

          You can lose your data.



          But please make sure that /dev/sdb exists.

          You can check all block devices with sudo lsblk and then continue using dd. Usually it is possible to write to the whole disk, not its partition (sdb instead of sdb1).



          In qemu part you should use the full path:
          sudo qemu-system-i386 /dev/sdb.






          share|improve this answer























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            1 Answer
            1






            active

            oldest

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            active

            oldest

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            active

            oldest

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            0














            You are trying to perform very dangerous actions.

            Any mistake here may cost very high.

            You can lose your data.



            But please make sure that /dev/sdb exists.

            You can check all block devices with sudo lsblk and then continue using dd. Usually it is possible to write to the whole disk, not its partition (sdb instead of sdb1).



            In qemu part you should use the full path:
            sudo qemu-system-i386 /dev/sdb.






            share|improve this answer




























              0














              You are trying to perform very dangerous actions.

              Any mistake here may cost very high.

              You can lose your data.



              But please make sure that /dev/sdb exists.

              You can check all block devices with sudo lsblk and then continue using dd. Usually it is possible to write to the whole disk, not its partition (sdb instead of sdb1).



              In qemu part you should use the full path:
              sudo qemu-system-i386 /dev/sdb.






              share|improve this answer


























                0












                0








                0







                You are trying to perform very dangerous actions.

                Any mistake here may cost very high.

                You can lose your data.



                But please make sure that /dev/sdb exists.

                You can check all block devices with sudo lsblk and then continue using dd. Usually it is possible to write to the whole disk, not its partition (sdb instead of sdb1).



                In qemu part you should use the full path:
                sudo qemu-system-i386 /dev/sdb.






                share|improve this answer













                You are trying to perform very dangerous actions.

                Any mistake here may cost very high.

                You can lose your data.



                But please make sure that /dev/sdb exists.

                You can check all block devices with sudo lsblk and then continue using dd. Usually it is possible to write to the whole disk, not its partition (sdb instead of sdb1).



                In qemu part you should use the full path:
                sudo qemu-system-i386 /dev/sdb.







                share|improve this answer












                share|improve this answer



                share|improve this answer










                answered Dec 3 '17 at 15:30









                N0rbertN0rbert

                22.4k648106




                22.4k648106






























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