Linux on USB

[Stephen Partington]

Most systems now identify by uuid.

As an idea if you have an internal USB header and related io plate you coul
use that and tie it up internally so it does not get pulled by mistake.

And Ubuntu 14.04 sees USB drives as valid install destinations without any
need to change.

On Thursday, April 24, 2014, Michael Havens <bmike1 at gmail.com> wrote:

> won't setting a label and identifying the drive by label (rather than
> /dev/*****) prevent that?
>
> :-)~MIKE~(-:
>
>
> On Thu, Apr 24, 2014 at 9:27 PM, JD Austin <jd at twingeckos.com<javascript:_e(%7B%7D,'cvml','jd at twingeckos.com');>
> > wrote:
>
>> I've had the best luck with usb3 drives even if the computer only
>> supports usb2.0.
>> You can just burn a bootable cd/dvd and install it as if it were a hard
>> drive.
>> Keep in mind if you unplug it and plug in other usb devices it's device
>> name may change so your best choice is plug it in the same usb port and set
>> it as the first disk device in bios.
>>
>> -- JD Austin
>> Voice: 480.269.4335 (480 2MY Geek)
>> jd at twingeckos.com <javascript:_e(%7B%7D,'cvml','jd at twingeckos.com');>
>>
>>
>>
>> On Thu, Apr 24, 2014 at 8:58 PM, Matt Graham <mhgraham at crow202.org<javascript:_e(%7B%7D,'cvml','mhgraham at crow202.org');>
>> > wrote:
>>
>>>  On Thu, Apr 24, 2014 at 4:36 PM, AZ Pete wrote:
>>>>>
>>>>>> This PC doesn't have USB 3.0, will USB 2.0 be fast enough?
>>>>>>
>>>>>
>>> Probably.  It won't be as fast as SATA, but it took 58 seconds to rsync
>>> my ~ to a USB2 disk just now.  140G of stuff, 125M transferred, and this is
>>> a spinny disk--a flash disk might be faster because of no seek time.
>>>
>>>
>>> On 2014-04-24 19:49, AZ Pete wrote:
>>>
>>>> Any sites that explain how to install Linux to a USB drive such that
>>>> the system would view it as a hard drive?
>>>>
>>>
>>> Any x86 from the last 5 years will be able to boot from a USB disk.  USB
>>> disks all look like SCSI disks to the kernel.  As such, you can plug the
>>> USB disk in, boot from an install CD, and tell that install CD to use the
>>> USB disk as the place to put / and /home and /usr and all those things.
>>>
>>> Note that flash disks may eventually wear out.  After 300,000 writes, a
>>> bit cell in a flash disk may not retain its value.  Wear-leveling
>>> algorithms in the disk's controller usually mean this doesn't happen until
>>> the disk is many years old.  Having swap on a flash disk and using swap a
>>> lot might accelerate this process though--I can't really tell as I've never
>>> put swap on a flash disk.
>>>
>>> --
>>> Crow202 Blog: http://crow202.org/wordpress
>>> There is no Darkness in Eternity
>>> But only Light too dim for us to see.
>>>
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>>
>>
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>

-- 
A mouse trap, placed on top of your alarm clock, will prevent you from
rolling over and going back to sleep after you hit the snooze button.

Stephen
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