LFS (Linux From Scratch) hard disk partition requirement

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I am going through the LFS documentation in order to build my flavor of firmware for our systems. Currently my host machine is Ubuntu 18.10. I have 2 hard drives /dev/sda and /dev/sdb. My Ubuntu system is running on /dev/sda which is 240 GB SSD. My /dev/sdb is 1 TB wheres I am using it as my data disk and having lot of free space.



Here I have some question.



  1. Do I need to do the partition in second drive for LFS?

  2. Is it OK to create necessary partitions for LFS from the free space of /dev/sdb without clearing the whole data on that disk?

  3. Ubuntu has the /bin/sh linked to /bin/dash wheres the LFS requirement says /bin/sh -> /bin/bash. Do I need to change this link or can I ignore this part?









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migrated from serverfault.com Dec 21 '18 at 3:15


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    0














    I am going through the LFS documentation in order to build my flavor of firmware for our systems. Currently my host machine is Ubuntu 18.10. I have 2 hard drives /dev/sda and /dev/sdb. My Ubuntu system is running on /dev/sda which is 240 GB SSD. My /dev/sdb is 1 TB wheres I am using it as my data disk and having lot of free space.



    Here I have some question.



    1. Do I need to do the partition in second drive for LFS?

    2. Is it OK to create necessary partitions for LFS from the free space of /dev/sdb without clearing the whole data on that disk?

    3. Ubuntu has the /bin/sh linked to /bin/dash wheres the LFS requirement says /bin/sh -> /bin/bash. Do I need to change this link or can I ignore this part?









    share|improve this question















    migrated from serverfault.com Dec 21 '18 at 3:15


    This question came from our site for system and network administrators.

















      0












      0








      0







      I am going through the LFS documentation in order to build my flavor of firmware for our systems. Currently my host machine is Ubuntu 18.10. I have 2 hard drives /dev/sda and /dev/sdb. My Ubuntu system is running on /dev/sda which is 240 GB SSD. My /dev/sdb is 1 TB wheres I am using it as my data disk and having lot of free space.



      Here I have some question.



      1. Do I need to do the partition in second drive for LFS?

      2. Is it OK to create necessary partitions for LFS from the free space of /dev/sdb without clearing the whole data on that disk?

      3. Ubuntu has the /bin/sh linked to /bin/dash wheres the LFS requirement says /bin/sh -> /bin/bash. Do I need to change this link or can I ignore this part?









      share|improve this question















      I am going through the LFS documentation in order to build my flavor of firmware for our systems. Currently my host machine is Ubuntu 18.10. I have 2 hard drives /dev/sda and /dev/sdb. My Ubuntu system is running on /dev/sda which is 240 GB SSD. My /dev/sdb is 1 TB wheres I am using it as my data disk and having lot of free space.



      Here I have some question.



      1. Do I need to do the partition in second drive for LFS?

      2. Is it OK to create necessary partitions for LFS from the free space of /dev/sdb without clearing the whole data on that disk?

      3. Ubuntu has the /bin/sh linked to /bin/dash wheres the LFS requirement says /bin/sh -> /bin/bash. Do I need to change this link or can I ignore this part?






      linux partition lfs






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      edited Dec 21 '18 at 9:28









      SouravGhosh

      493311




      493311










      asked Dec 21 '18 at 2:49









      BlueBird

      1129




      1129




      migrated from serverfault.com Dec 21 '18 at 3:15


      This question came from our site for system and network administrators.






      migrated from serverfault.com Dec 21 '18 at 3:15


      This question came from our site for system and network administrators.






















          1 Answer
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          Do I need to do the partition in second drive for LFS?




          The recommended approach to building an LFS system is to use an
          available empty partition or, if you have enough unpartitioned space,
          to create one. Source: http://www.linuxfromscratch.org/lfs/view/stable/chapter02/creatingpartition.html




          It doesn't matter on which drive the partition is located.



          Is it OK to create necessary partitions for LFS from the free space of /dev/sdb



          Yes.



          Ubuntu has the /bin/sh linked to /bin/dash wheres the LFS requirement says /bin/sh -> /bin/bash. Do I need to change this link or can I ignore this part?




          Note that the symlinks mentioned above are required to build an LFS
          system using the instructions contained within this book. Symlinks
          that point to other software (such as dash, mawk, etc.) may work, but
          are not tested or supported by the LFS development team
          , and may
          require either deviation from the instructions or additional patches
          to some packages. Source: http://www.linuxfromscratch.org/lfs/view/stable/chapter02/hostreqs.html




          I recommend creating a virtual machine and using it as your LFS host. That way, you can do whatever you need to do to the "host" without potentially damaging your real host.






          share|improve this answer




















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            1 Answer
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            1 Answer
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            active

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            active

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            active

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            1














            Do I need to do the partition in second drive for LFS?




            The recommended approach to building an LFS system is to use an
            available empty partition or, if you have enough unpartitioned space,
            to create one. Source: http://www.linuxfromscratch.org/lfs/view/stable/chapter02/creatingpartition.html




            It doesn't matter on which drive the partition is located.



            Is it OK to create necessary partitions for LFS from the free space of /dev/sdb



            Yes.



            Ubuntu has the /bin/sh linked to /bin/dash wheres the LFS requirement says /bin/sh -> /bin/bash. Do I need to change this link or can I ignore this part?




            Note that the symlinks mentioned above are required to build an LFS
            system using the instructions contained within this book. Symlinks
            that point to other software (such as dash, mawk, etc.) may work, but
            are not tested or supported by the LFS development team
            , and may
            require either deviation from the instructions or additional patches
            to some packages. Source: http://www.linuxfromscratch.org/lfs/view/stable/chapter02/hostreqs.html




            I recommend creating a virtual machine and using it as your LFS host. That way, you can do whatever you need to do to the "host" without potentially damaging your real host.






            share|improve this answer

























              1














              Do I need to do the partition in second drive for LFS?




              The recommended approach to building an LFS system is to use an
              available empty partition or, if you have enough unpartitioned space,
              to create one. Source: http://www.linuxfromscratch.org/lfs/view/stable/chapter02/creatingpartition.html




              It doesn't matter on which drive the partition is located.



              Is it OK to create necessary partitions for LFS from the free space of /dev/sdb



              Yes.



              Ubuntu has the /bin/sh linked to /bin/dash wheres the LFS requirement says /bin/sh -> /bin/bash. Do I need to change this link or can I ignore this part?




              Note that the symlinks mentioned above are required to build an LFS
              system using the instructions contained within this book. Symlinks
              that point to other software (such as dash, mawk, etc.) may work, but
              are not tested or supported by the LFS development team
              , and may
              require either deviation from the instructions or additional patches
              to some packages. Source: http://www.linuxfromscratch.org/lfs/view/stable/chapter02/hostreqs.html




              I recommend creating a virtual machine and using it as your LFS host. That way, you can do whatever you need to do to the "host" without potentially damaging your real host.






              share|improve this answer























                1












                1








                1






                Do I need to do the partition in second drive for LFS?




                The recommended approach to building an LFS system is to use an
                available empty partition or, if you have enough unpartitioned space,
                to create one. Source: http://www.linuxfromscratch.org/lfs/view/stable/chapter02/creatingpartition.html




                It doesn't matter on which drive the partition is located.



                Is it OK to create necessary partitions for LFS from the free space of /dev/sdb



                Yes.



                Ubuntu has the /bin/sh linked to /bin/dash wheres the LFS requirement says /bin/sh -> /bin/bash. Do I need to change this link or can I ignore this part?




                Note that the symlinks mentioned above are required to build an LFS
                system using the instructions contained within this book. Symlinks
                that point to other software (such as dash, mawk, etc.) may work, but
                are not tested or supported by the LFS development team
                , and may
                require either deviation from the instructions or additional patches
                to some packages. Source: http://www.linuxfromscratch.org/lfs/view/stable/chapter02/hostreqs.html




                I recommend creating a virtual machine and using it as your LFS host. That way, you can do whatever you need to do to the "host" without potentially damaging your real host.






                share|improve this answer












                Do I need to do the partition in second drive for LFS?




                The recommended approach to building an LFS system is to use an
                available empty partition or, if you have enough unpartitioned space,
                to create one. Source: http://www.linuxfromscratch.org/lfs/view/stable/chapter02/creatingpartition.html




                It doesn't matter on which drive the partition is located.



                Is it OK to create necessary partitions for LFS from the free space of /dev/sdb



                Yes.



                Ubuntu has the /bin/sh linked to /bin/dash wheres the LFS requirement says /bin/sh -> /bin/bash. Do I need to change this link or can I ignore this part?




                Note that the symlinks mentioned above are required to build an LFS
                system using the instructions contained within this book. Symlinks
                that point to other software (such as dash, mawk, etc.) may work, but
                are not tested or supported by the LFS development team
                , and may
                require either deviation from the instructions or additional patches
                to some packages. Source: http://www.linuxfromscratch.org/lfs/view/stable/chapter02/hostreqs.html




                I recommend creating a virtual machine and using it as your LFS host. That way, you can do whatever you need to do to the "host" without potentially damaging your real host.







                share|improve this answer












                share|improve this answer



                share|improve this answer










                answered Dec 21 '18 at 10:03









                Emmanuel Rosa

                3,0551612




                3,0551612



























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