BOOTING UBUNTU 16.04 FROM 32GB USB PERSISTENT
Bought a 32 GB USB
drive….that is a complete hard drive! In stead of dual booting
Linux from the hard drive, you can boot from the USB in persistent
mode, and saving your work and settings. In reading/writing or
booting speed is not really different from dual booting. This
USB 3.0 Circle 32 GB (compatible with USB 2.0) reads at 55MB/s
and writes 10Mb/s. In order to speed up you can run the whole thing in RAM.
Booting from USB is
a bit more difficult. Generally Ubuntu live start from UEFI with
secure boot on. However installing a module in the kernel that is not
signed (for example bcmwl-kernel-source, for wireless) is blocked.
Let’s disable secure boot. Perfect working, however if you want to
start a persistent live Ubuntu then you need to start from UEFI with
CSM, because the Ubuntu .iso is a hybrid, and Compatibility Support
Module (CSM) provides legacy BIOS compatibility.
So start up the
system with: disable secure boot and fast boot, and enable UEFI with
To make the USB
booting persistent use mkusb.
Choose the image, select the drive, tag UEFI and persistent. However
when working on HP, mine is HP Elite 820, choose MSDOS partition
table not the GUID partition table (GPT), which is standard for
UEFI, because HP likes MSDOS better, it seems.
Now I am not only
booting into Ubuntu from a portable hard drive, which I can carry
along and use it on any machine.
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