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Formatting an external drive and starting clean with a GPT partition table. If you run: sudo mkfs.ext4 /dev/sdb, you're formatting the entire raw device as an ext4 without any partition table. This is okay in some specific situations, but generally not recommended for general purpose storage.
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| read -p "Enter drive path (ex: /dev/sdb): " drivepath | |
| # wipe all partitions on 'drivepath' | |
| sudo wipefs -a $drivepath | |
| # create a gpt partition table, ext4 partition | |
| sudo parted $drivepath mklabel gpt | |
| sudo parted -a opt $drivepath mkpart primary ext4 0% 100% | |
| sudo mkfs.ext4 drivepath\1 |
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