偉大なる先人。
手順
# 今回は /dev/disk4 が対象の USB モモリ ❯ diskutil list /dev/disk0 (internal, physical): #: TYPE NAME SIZE IDENTIFIER 0: GUID_partition_scheme *500.3 GB disk0 1: Apple_APFS_ISC Container disk1 524.3 MB disk0s1 2: Apple_APFS Container disk3 494.4 GB disk0s2 3: Apple_APFS_Recovery Container disk2 5.4 GB disk0s3 /dev/disk3 (synthesized): #: TYPE NAME SIZE IDENTIFIER 0: APFS Container Scheme - +494.4 GB disk3 Physical Store disk0s2 1: APFS Volume Macintosh HD - Data 259.6 GB disk3s1 2: APFS Volume Macintosh HD 15.9 GB disk3s3 3: APFS Snapshot com.apple.os.update-... 15.9 GB disk3s3s1 4: APFS Volume Preboot 11.5 GB disk3s4 5: APFS Volume Recovery 1.8 GB disk3s5 6: APFS Volume VM 1.1 GB disk3s6 /dev/disk4 (external, physical): #: TYPE NAME SIZE IDENTIFIER 0: FDisk_partition_scheme *15.5 GB disk4 1: 0xEF 7.3 MB disk4s2 # "" 内の許される名前がわからなかったけど HOGE で通ったのでほげ、もしかして大文字オンリーかな ❯ sudo diskutil eraseDisk FAT32 "HOGE" MBRFormat /dev/disk4 Started erase on disk4 Unmounting disk Creating the partition map Waiting for partitions to activate Formatting disk4s1 as MS-DOS (FAT32) with name HOGE 512 bytes per physical sector /dev/rdisk4s1: 30233728 sectors in 1889608 FAT32 clusters (8192 bytes/cluster) bps=512 spc=16 res=32 nft=2 mid=0xf8 spt=32 hds=255 hid=2048 drv=0x80 bsec=30263296 bspf=14763 rdcl=2 infs=1 bkbs=6 Mounting disk Finished erase on disk4 # load: ... などは実行中に CTRL+SHIFT+T で出せた ❯ diskutil unMountDisk /dev/disk4 Unmount of all volumes on disk4 was successful ❯ cd ~/Downloads ❯ sudo dd if=ubuntu-24.04-live-server-amd64.iso of=/dev/rdisk4 bs=1m load: 1.46 cmd: dd 86090 uninterruptible 0.00u 0.45s 1170+0 records in 1170+0 records out 1226833920 bytes transferred in 88.603551 secs (13846329 bytes/sec) load: 1.22 cmd: dd 86090 uninterruptible 0.00u 0.52s 1368+0 records in 1368+0 records out 1434451968 bytes transferred in 103.592469 secs (13847068 bytes/sec) 2627+1 records in 2627+1 records out 2754981888 bytes transferred in 198.016040 secs (13912923 bytes/sec)
これにて作成完了。
