Creating a USB stick for installing centos 6.x using DVD1 and DVD2 iso files












3














First, we create 2 partitions on the USB stick that
is let's say 16GB.



first partition is let's say only 1GB

and the second partition is the rest of what is available.



after we "w" write the changes, the USB now has 2 partitions.




  • 1 is 1GB

  • 1 is more than 14GB


so , we have... sdb1 and sdb2 now.



now we need to turn these partitions into filesystems
some say i should run these commands after those procedures.



mkfs.vfat -F 32 /dev/sdb1
mkfs.ext3 /dev/sdb2


but some web pages recommend using:



mkfs.vfat -n BOOT /dev/sdb1
mkfs.ext2 -m 0 -b 4096 -L DATA /dev/sdb2


which is it?



so let's say the DVDs are called:




  • CentOS-6.4-x86_64-bin-DVD1.iso

  • CentOS-6.4-x86_64-bin-DVD2.iso


so we make a directory:



mkdir -p /mnt/dvd1


and then mount it:



mount -o loop CentOS-6.4-x86_64-bin-DVD1.iso /mnt/dvd1


and i suppose we don't make a directory for dvd2 and we don't have to mount it ?



at this point i do not know what should be done.



but i think this step might be next:



we make the USB bootable by finding the file named mbr.bin and then moving it to there via these commnad.



dd conv=notrunc bs=440 count=1 if=/usr/lib/syslinux/mbr.bin of=/dev/sdb
parted /dev/sdb set 1 boot on


in other words we are "dd-ing it to 'sdb' not sdb1' or 'sdb2'.
and then we use parted to set the boot to on for sdb



so far everything looks good?



here is the confusing parts..



how exactly do i move these iso files to the usb drive?



EVERYTHING BELOW IS A GUESS.



so at this point i should




  • copy the folder /mnt/dvd1/isolinux to usb's sdb1 or sdb2 ?

  • rename it to syslinux ?

  • and then inside this syslinux folder there will be a file called...

  • isolinux.cfg ?

  • which should be renamed to syslinux.cfg ?


  • and then copy the contents of /mnt/dvd1/images/* to USB's sdb2 ?



but i think i am also suppose to copy and paste the both




  • CentOS-6.4-x86_64-bin-DVD1.iso

  • CentOS-6.4-x86_64-bin-DVD2.iso


somewhere into this USB's sdb2 partition, correct ? almost like a drag and drop kind of a thing?



or do they go into any folders ?



centos' own web site has some instructions but those instructions do not work.




http://wiki.centos.org/HowTos/InstallFromUSBkey




i once got this working but things got ruined, i have to do it again and this time take notes.










share|improve this question



























    3














    First, we create 2 partitions on the USB stick that
    is let's say 16GB.



    first partition is let's say only 1GB

    and the second partition is the rest of what is available.



    after we "w" write the changes, the USB now has 2 partitions.




    • 1 is 1GB

    • 1 is more than 14GB


    so , we have... sdb1 and sdb2 now.



    now we need to turn these partitions into filesystems
    some say i should run these commands after those procedures.



    mkfs.vfat -F 32 /dev/sdb1
    mkfs.ext3 /dev/sdb2


    but some web pages recommend using:



    mkfs.vfat -n BOOT /dev/sdb1
    mkfs.ext2 -m 0 -b 4096 -L DATA /dev/sdb2


    which is it?



    so let's say the DVDs are called:




    • CentOS-6.4-x86_64-bin-DVD1.iso

    • CentOS-6.4-x86_64-bin-DVD2.iso


    so we make a directory:



    mkdir -p /mnt/dvd1


    and then mount it:



    mount -o loop CentOS-6.4-x86_64-bin-DVD1.iso /mnt/dvd1


    and i suppose we don't make a directory for dvd2 and we don't have to mount it ?



    at this point i do not know what should be done.



    but i think this step might be next:



    we make the USB bootable by finding the file named mbr.bin and then moving it to there via these commnad.



    dd conv=notrunc bs=440 count=1 if=/usr/lib/syslinux/mbr.bin of=/dev/sdb
    parted /dev/sdb set 1 boot on


    in other words we are "dd-ing it to 'sdb' not sdb1' or 'sdb2'.
    and then we use parted to set the boot to on for sdb



    so far everything looks good?



    here is the confusing parts..



    how exactly do i move these iso files to the usb drive?



    EVERYTHING BELOW IS A GUESS.



    so at this point i should




    • copy the folder /mnt/dvd1/isolinux to usb's sdb1 or sdb2 ?

    • rename it to syslinux ?

    • and then inside this syslinux folder there will be a file called...

    • isolinux.cfg ?

    • which should be renamed to syslinux.cfg ?


    • and then copy the contents of /mnt/dvd1/images/* to USB's sdb2 ?



    but i think i am also suppose to copy and paste the both




    • CentOS-6.4-x86_64-bin-DVD1.iso

    • CentOS-6.4-x86_64-bin-DVD2.iso


    somewhere into this USB's sdb2 partition, correct ? almost like a drag and drop kind of a thing?



    or do they go into any folders ?



    centos' own web site has some instructions but those instructions do not work.




    http://wiki.centos.org/HowTos/InstallFromUSBkey




    i once got this working but things got ruined, i have to do it again and this time take notes.










    share|improve this question

























      3












      3








      3







      First, we create 2 partitions on the USB stick that
      is let's say 16GB.



      first partition is let's say only 1GB

      and the second partition is the rest of what is available.



      after we "w" write the changes, the USB now has 2 partitions.




      • 1 is 1GB

      • 1 is more than 14GB


      so , we have... sdb1 and sdb2 now.



      now we need to turn these partitions into filesystems
      some say i should run these commands after those procedures.



      mkfs.vfat -F 32 /dev/sdb1
      mkfs.ext3 /dev/sdb2


      but some web pages recommend using:



      mkfs.vfat -n BOOT /dev/sdb1
      mkfs.ext2 -m 0 -b 4096 -L DATA /dev/sdb2


      which is it?



      so let's say the DVDs are called:




      • CentOS-6.4-x86_64-bin-DVD1.iso

      • CentOS-6.4-x86_64-bin-DVD2.iso


      so we make a directory:



      mkdir -p /mnt/dvd1


      and then mount it:



      mount -o loop CentOS-6.4-x86_64-bin-DVD1.iso /mnt/dvd1


      and i suppose we don't make a directory for dvd2 and we don't have to mount it ?



      at this point i do not know what should be done.



      but i think this step might be next:



      we make the USB bootable by finding the file named mbr.bin and then moving it to there via these commnad.



      dd conv=notrunc bs=440 count=1 if=/usr/lib/syslinux/mbr.bin of=/dev/sdb
      parted /dev/sdb set 1 boot on


      in other words we are "dd-ing it to 'sdb' not sdb1' or 'sdb2'.
      and then we use parted to set the boot to on for sdb



      so far everything looks good?



      here is the confusing parts..



      how exactly do i move these iso files to the usb drive?



      EVERYTHING BELOW IS A GUESS.



      so at this point i should




      • copy the folder /mnt/dvd1/isolinux to usb's sdb1 or sdb2 ?

      • rename it to syslinux ?

      • and then inside this syslinux folder there will be a file called...

      • isolinux.cfg ?

      • which should be renamed to syslinux.cfg ?


      • and then copy the contents of /mnt/dvd1/images/* to USB's sdb2 ?



      but i think i am also suppose to copy and paste the both




      • CentOS-6.4-x86_64-bin-DVD1.iso

      • CentOS-6.4-x86_64-bin-DVD2.iso


      somewhere into this USB's sdb2 partition, correct ? almost like a drag and drop kind of a thing?



      or do they go into any folders ?



      centos' own web site has some instructions but those instructions do not work.




      http://wiki.centos.org/HowTos/InstallFromUSBkey




      i once got this working but things got ruined, i have to do it again and this time take notes.










      share|improve this question













      First, we create 2 partitions on the USB stick that
      is let's say 16GB.



      first partition is let's say only 1GB

      and the second partition is the rest of what is available.



      after we "w" write the changes, the USB now has 2 partitions.




      • 1 is 1GB

      • 1 is more than 14GB


      so , we have... sdb1 and sdb2 now.



      now we need to turn these partitions into filesystems
      some say i should run these commands after those procedures.



      mkfs.vfat -F 32 /dev/sdb1
      mkfs.ext3 /dev/sdb2


      but some web pages recommend using:



      mkfs.vfat -n BOOT /dev/sdb1
      mkfs.ext2 -m 0 -b 4096 -L DATA /dev/sdb2


      which is it?



      so let's say the DVDs are called:




      • CentOS-6.4-x86_64-bin-DVD1.iso

      • CentOS-6.4-x86_64-bin-DVD2.iso


      so we make a directory:



      mkdir -p /mnt/dvd1


      and then mount it:



      mount -o loop CentOS-6.4-x86_64-bin-DVD1.iso /mnt/dvd1


      and i suppose we don't make a directory for dvd2 and we don't have to mount it ?



      at this point i do not know what should be done.



      but i think this step might be next:



      we make the USB bootable by finding the file named mbr.bin and then moving it to there via these commnad.



      dd conv=notrunc bs=440 count=1 if=/usr/lib/syslinux/mbr.bin of=/dev/sdb
      parted /dev/sdb set 1 boot on


      in other words we are "dd-ing it to 'sdb' not sdb1' or 'sdb2'.
      and then we use parted to set the boot to on for sdb



      so far everything looks good?



      here is the confusing parts..



      how exactly do i move these iso files to the usb drive?



      EVERYTHING BELOW IS A GUESS.



      so at this point i should




      • copy the folder /mnt/dvd1/isolinux to usb's sdb1 or sdb2 ?

      • rename it to syslinux ?

      • and then inside this syslinux folder there will be a file called...

      • isolinux.cfg ?

      • which should be renamed to syslinux.cfg ?


      • and then copy the contents of /mnt/dvd1/images/* to USB's sdb2 ?



      but i think i am also suppose to copy and paste the both




      • CentOS-6.4-x86_64-bin-DVD1.iso

      • CentOS-6.4-x86_64-bin-DVD2.iso


      somewhere into this USB's sdb2 partition, correct ? almost like a drag and drop kind of a thing?



      or do they go into any folders ?



      centos' own web site has some instructions but those instructions do not work.




      http://wiki.centos.org/HowTos/InstallFromUSBkey




      i once got this working but things got ruined, i have to do it again and this time take notes.







      linux usb partitioning centos iso-image






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked Sep 2 '13 at 7:28









      user250563

      2324




      2324






















          1 Answer
          1






          active

          oldest

          votes


















          0














          You can use dd to copy burn the ISO in the USB stick. It's pretty easy and always work:



          Assuming the .iso file is in your home folder, open the terminal and write:



          sudo dd bs=4M if=[ur .iso] of=/dev/sd[that 1 letter]


          Example:



          sudo dd bs=4M if=centos.iso of=/dev/sdc





          share|improve this answer























          • That does not address the key point of the question, which is merging the isos of both DVD1 and DVD2 to the same usb stick.
            – Igb
            Nov 8 '18 at 9:13











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          1 Answer
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          oldest

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          1 Answer
          1






          active

          oldest

          votes









          active

          oldest

          votes






          active

          oldest

          votes









          0














          You can use dd to copy burn the ISO in the USB stick. It's pretty easy and always work:



          Assuming the .iso file is in your home folder, open the terminal and write:



          sudo dd bs=4M if=[ur .iso] of=/dev/sd[that 1 letter]


          Example:



          sudo dd bs=4M if=centos.iso of=/dev/sdc





          share|improve this answer























          • That does not address the key point of the question, which is merging the isos of both DVD1 and DVD2 to the same usb stick.
            – Igb
            Nov 8 '18 at 9:13
















          0














          You can use dd to copy burn the ISO in the USB stick. It's pretty easy and always work:



          Assuming the .iso file is in your home folder, open the terminal and write:



          sudo dd bs=4M if=[ur .iso] of=/dev/sd[that 1 letter]


          Example:



          sudo dd bs=4M if=centos.iso of=/dev/sdc





          share|improve this answer























          • That does not address the key point of the question, which is merging the isos of both DVD1 and DVD2 to the same usb stick.
            – Igb
            Nov 8 '18 at 9:13














          0












          0








          0






          You can use dd to copy burn the ISO in the USB stick. It's pretty easy and always work:



          Assuming the .iso file is in your home folder, open the terminal and write:



          sudo dd bs=4M if=[ur .iso] of=/dev/sd[that 1 letter]


          Example:



          sudo dd bs=4M if=centos.iso of=/dev/sdc





          share|improve this answer














          You can use dd to copy burn the ISO in the USB stick. It's pretty easy and always work:



          Assuming the .iso file is in your home folder, open the terminal and write:



          sudo dd bs=4M if=[ur .iso] of=/dev/sd[that 1 letter]


          Example:



          sudo dd bs=4M if=centos.iso of=/dev/sdc






          share|improve this answer














          share|improve this answer



          share|improve this answer








          edited Apr 12 '17 at 15:43









          bertieb

          5,547112342




          5,547112342










          answered Apr 12 '17 at 15:10









          Adonist

          311




          311












          • That does not address the key point of the question, which is merging the isos of both DVD1 and DVD2 to the same usb stick.
            – Igb
            Nov 8 '18 at 9:13


















          • That does not address the key point of the question, which is merging the isos of both DVD1 and DVD2 to the same usb stick.
            – Igb
            Nov 8 '18 at 9:13
















          That does not address the key point of the question, which is merging the isos of both DVD1 and DVD2 to the same usb stick.
          – Igb
          Nov 8 '18 at 9:13




          That does not address the key point of the question, which is merging the isos of both DVD1 and DVD2 to the same usb stick.
          – Igb
          Nov 8 '18 at 9:13


















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