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authorAlyssa Ross <hi@alyssa.is>2022-05-31 09:59:33 +0000
committerAlyssa Ross <hi@alyssa.is>2022-05-31 09:59:57 +0000
commit9ff36293d1e428cd7bf03e8d4b03611b6d361c28 (patch)
tree1ab51a42b868c55b83f6ccdb80371b9888739dd9 /nixos/doc/manual/installation/installing-usb.section.md
parent1c4fcd0d4b0541e674ee56ace1053e23e562cc80 (diff)
parentddc3c396a51918043bb0faa6f676abd9562be62c (diff)
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+# Booting from a USB Drive {#sec-booting-from-usb}
+
+For systems without CD drive, the NixOS live CD can be booted from a USB
+stick. You can use the `dd` utility to write the image:
+`dd if=path-to-image of=/dev/sdX`. Be careful about specifying the correct
+drive; you can use the `lsblk` command to get a list of block devices.
+
+::: {.note}
+::: {.title}
+On macOS
+:::
+
+```ShellSession
+$ diskutil list
+[..]
+/dev/diskN (external, physical):
+   #:                       TYPE NAME                    SIZE       IDENTIFIER
+[..]
+$ diskutil unmountDisk diskN
+Unmount of all volumes on diskN was successful
+$ sudo dd if=nix.iso of=/dev/rdiskN
+```
+
+Using the \'raw\' `rdiskN` device instead of `diskN` completes in
+minutes instead of hours. After `dd` completes, a GUI dialog \"The disk
+you inserted was not readable by this computer\" will pop up, which can
+be ignored.
+:::
+
+The `dd` utility will write the image verbatim to the drive, making it
+the recommended option for both UEFI and non-UEFI installations.