How to change root directory from different device (e.g. /dev/sdb1 to /dev/sda2)











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I have an Ubuntu when booted it has the root system is
stored under /dev/sdb1, as can be shown with df command:



enter image description here



the fdisk -l looks like this:



enter image description here



My question is how can I change the root system from /dev/sdb1
to /dev/sda2? And when boot also goes to /dev/sda2.






linux ubuntu boot root







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    up vote
    0
    down vote

    favorite












    I have an Ubuntu when booted it has the root system is
    stored under /dev/sdb1, as can be shown with df command:



    enter image description here



    the fdisk -l looks like this:



    enter image description here



    My question is how can I change the root system from /dev/sdb1
    to /dev/sda2? And when boot also goes to /dev/sda2.






    linux ubuntu boot root







    share|improve this question







    New contributor




    scamander is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.






















      up vote
      0
      down vote

      favorite









      up vote
      0
      down vote

      favorite











      I have an Ubuntu when booted it has the root system is
      stored under /dev/sdb1, as can be shown with df command:



      enter image description here



      the fdisk -l looks like this:



      enter image description here



      My question is how can I change the root system from /dev/sdb1
      to /dev/sda2? And when boot also goes to /dev/sda2.






      linux ubuntu boot root







      share|improve this question







      New contributor




      scamander is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.











      I have an Ubuntu when booted it has the root system is
      stored under /dev/sdb1, as can be shown with df command:



      enter image description here



      the fdisk -l looks like this:



      enter image description here



      My question is how can I change the root system from /dev/sdb1
      to /dev/sda2? And when boot also goes to /dev/sda2.






      linux ubuntu boot root




      linux ubuntu boot root






      share|improve this question







      New contributor




      scamander is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.











      share|improve this question







      New contributor




      scamander is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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      share|improve this question




      share|improve this question






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