$ sudo ubuntu-device-flash --server=http://system-image.ubports.com touch --channel=ubuntu-touch/stable --device=hammerhead --bootstrap
[sudo] password for mike: 
2016/12/04 18:57:12 Device is |hammerhead|
2016/12/04 18:57:15 Flashing version 11 from ubuntu-touch/stable channel and server http://system-image.ubports.com to device hammerhead
61.25 MB / 61.25 MB [==============================================================================================] 100.00 % 93.43 KB/s 
298.13 MB / 298.13 MB [===========================================================================================] 100.00 % 143.54 KB/s 
/home/mike/.cache/ubuntuimages/pool/keyring-f812366ff5018823acd3918f65837f7ade9679431e6e5ca6627a4e48f8dd643b.tar.xz
/home/mike/.cache/ubuntuimages/ubuntu-touch/stable/hammerhead/version-11.tar.xz
/home/mike/.cache/ubuntuimages/gpg/image-signing.tar.xz
/home/mike/.cache/ubuntuimages/gpg/image-master.tar.xz
/home/mike/.cache/ubuntuimages/pool/device-8e678f1b84ebeaf1fdc5433549cbe6929d3caa4378319528323d62f6beb6247b.tar.xz