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Bootable Linux USB stick: Difference between revisions
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'''Some more details''' | '''Some more details''' | ||
# we always create a few-GB FAT32 partition because that makes file exchange with Windows and Macs very simple. The FAT32 partition should be the first partition on the stick; 2GB is enough for us. Then comes a BIOS-boot partition (1MB; required for booting BIOS system from a GPT disk), an efi partition (e.g. 250MB; required for UEFI/EFI boot on PC's/MAC's) and the Linux partition, with 13.9GB, so that the sum of the four partitions is slightly below 16GB. The third partition is then a 16.1GB /data partition. This scheme has the advantage that the image of the stick can just as well be copied (with dd or better ddrescue) to a 16GB stick; the /data partition | # we always create a few-GB FAT32 partition because that makes file exchange with Windows and Macs very simple. The FAT32 partition should be the first partition on the stick; 2GB is enough for us. Then comes a BIOS-boot partition (1MB; required for booting BIOS system from a GPT disk), an efi partition (e.g. 250MB; required for UEFI/EFI boot on PC's/MAC's) and the Linux partition, with 13.9GB, so that the sum of the four partitions is slightly below 16GB. The third partition is then a 16.1GB /data partition. This scheme has the advantage that the image of the stick can just as well be copied (with dd or better ddrescue) to a 16GB or a 64GB stick; in case of 16GB the /data partition does not fit and cannot be used on that stick, but the operating system will still work on the small stick just as well. This requires that the /data partition is not fsck'ed automatically from /etc/fstab (0 in the 6th field). | ||
# it is a good idea to give easy root access to the one user you create because certainly some packages will have to be installed or updated when the stick is in use | # it is a good idea to give easy root access to the one user you create because certainly some packages will have to be installed or updated when the stick is in use | ||
# it is a good idea to save an image of the stick whenever you made a successful change; otherwise you might need to start from scratch if you mess something up. | # it is a good idea to save an image of the stick whenever you made a successful change; otherwise you might need to start from scratch if you mess something up. | ||