invalid magic number when booting to CentOS 7 USB

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I get




invalid magic number




When booting to CentOS bootable USB. The way I made the USB (on Ubuntu 17) is:



  1. Download CentOS-7-x86_64-DVD-1708.iso

  2. dd if=CentOS-7-x86_64-DVD-1708.iso of=/dev/sdc status=progress

  3. Booted to the boot menu, chose the USB drive, then chose Install Centos 7

How do I do this?







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    up vote
    -1
    down vote

    favorite












    I get




    invalid magic number




    When booting to CentOS bootable USB. The way I made the USB (on Ubuntu 17) is:



    1. Download CentOS-7-x86_64-DVD-1708.iso

    2. dd if=CentOS-7-x86_64-DVD-1708.iso of=/dev/sdc status=progress

    3. Booted to the boot menu, chose the USB drive, then chose Install Centos 7

    How do I do this?







    share|improve this question






















      up vote
      -1
      down vote

      favorite









      up vote
      -1
      down vote

      favorite











      I get




      invalid magic number




      When booting to CentOS bootable USB. The way I made the USB (on Ubuntu 17) is:



      1. Download CentOS-7-x86_64-DVD-1708.iso

      2. dd if=CentOS-7-x86_64-DVD-1708.iso of=/dev/sdc status=progress

      3. Booted to the boot menu, chose the USB drive, then chose Install Centos 7

      How do I do this?







      share|improve this question












      I get




      invalid magic number




      When booting to CentOS bootable USB. The way I made the USB (on Ubuntu 17) is:



      1. Download CentOS-7-x86_64-DVD-1708.iso

      2. dd if=CentOS-7-x86_64-DVD-1708.iso of=/dev/sdc status=progress

      3. Booted to the boot menu, chose the USB drive, then chose Install Centos 7

      How do I do this?









      share|improve this question











      share|improve this question




      share|improve this question










      asked Apr 1 at 19:51









      amphibient

      4,39983467




      4,39983467




















          1 Answer
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          Your command seems okay, just try few things, double check device name, make sure device is not mounted while writing and at the end try running sync command.




           dd if=CentOS-7-x86_64-DVD-1708.iso of=/dev/sdc ; sync 





          share|improve this answer




















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            1 Answer
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            1 Answer
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            oldest

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            active

            oldest

            votes








            up vote
            0
            down vote













            Your command seems okay, just try few things, double check device name, make sure device is not mounted while writing and at the end try running sync command.




             dd if=CentOS-7-x86_64-DVD-1708.iso of=/dev/sdc ; sync 





            share|improve this answer
























              up vote
              0
              down vote













              Your command seems okay, just try few things, double check device name, make sure device is not mounted while writing and at the end try running sync command.




               dd if=CentOS-7-x86_64-DVD-1708.iso of=/dev/sdc ; sync 





              share|improve this answer






















                up vote
                0
                down vote










                up vote
                0
                down vote









                Your command seems okay, just try few things, double check device name, make sure device is not mounted while writing and at the end try running sync command.




                 dd if=CentOS-7-x86_64-DVD-1708.iso of=/dev/sdc ; sync 





                share|improve this answer












                Your command seems okay, just try few things, double check device name, make sure device is not mounted while writing and at the end try running sync command.




                 dd if=CentOS-7-x86_64-DVD-1708.iso of=/dev/sdc ; sync 






                share|improve this answer












                share|improve this answer



                share|improve this answer










                answered Apr 1 at 20:30









                Bharat

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