☁ Desktop [master] ⚡ hdiutil convert -format UDRW -o ./ubuntu-18.04-desktop-amd64 ./ubuntu-18.04-desktop-amd64.iso # 将ISO转为DMG
正在读取Driver Descriptor Map（DDM：0）…
正在读取Ubuntu 18.04 LTS amd64 （Apple_ISO：1）…
正在读取Apple（Apple_partition_map：2）…
正在读取Ubuntu 18.04 LTS amd64 （Apple_ISO：3）…
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正在读取EFI（Apple_HFS：4）…
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正在读取Ubuntu 18.04 LTS amd64 （Apple_ISO：5）…
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已耗时： 2.082s
速度：880.0M 字节/秒
节省：0.0%
created: /Users/huqilin/Desktop/ubuntu-18.04-desktop-amd64.dmg
☁ Desktop [master] ⚡ diskutil list # 得到 U 盘设备号
/dev/disk0 (internal):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme 251.0 GB disk0
1: EFI EFI 314.6 MB disk0s1
2: Apple_APFS Container disk1 250.7 GB disk0s2
/dev/disk1 (synthesized):
#: TYPE NAME SIZE IDENTIFIER
0: APFS Container Scheme - +250.7 GB disk1
Physical Store disk0s2
1: APFS Volume Macintosh HD 112.5 GB disk1s1
2: APFS Volume Preboot 21.1 MB disk1s2
3: APFS Volume Recovery 517.8 MB disk1s3
4: APFS Volume VM 3.2 GB disk1s4
/dev/disk2 (external, physical):
#: TYPE NAME SIZE IDENTIFIER
0: FDisk_partition_scheme *7.8 GB disk2
1: Apple_HFS USB8G 7.8 GB disk2s1
☁ Desktop [master] ⚡ diskutil unmountDisk /dev/disk2 # 卸载 U 盘设备
Unmount of all volumes on disk2 was successful
☁ Desktop [master] ⚡ sudo dd if=ubuntu-18.04-desktop-amd64.dmg of=/dev/disk2 bs=1m # 创建可启动的 USB 驱动盘
Password:
1832+1 records in
1832+1 records out
1921843200 bytes transferred in 207.200284 secs (9275292 bytes/sec)
☁ Desktop [master] ⚡ diskutil eject /dev/disk2 # 弹出磁盘
Disk /dev/disk2 ejected参考：Mac OS X Ubuntu usb 安装启动盘制作