USB stick and some help with it.

[jd1008]

On 08/03/2015 04:51 PM, Bernt Hansson wrote:
>
>
> On 2015-08-03 20:18, jd1008 wrote:
>>
>> On 08/03/2015 12:01 PM, Quartz wrote:
>>> Can you do a quick sanity check and see if the stick can be wiped on 
>>> a different machine? Or perhaps the same machine by booting off a 
>>> live linux cd. Being on old flash drive there's a possibility it's 
>>> just up and died due to wear and the problem isn't due to FreeBSD at 
>>> all.
>> I second Quartz's suggestion.
>> Just download a live linux cd, such as:
>> http://ftp.uni-kl.de/pub/linux/knoppix-dvd/KNOPPIX_V7.4.1DVD-2014-09-15-EN.iso 
>>
>> along with checksum files:
>> http://ftp.uni-kl.de/pub/linux/knoppix-dvd/KNOPPIX_V7.4.1DVD-2014-09-15-EN.iso.md5 
>>
>> http://ftp.uni-kl.de/pub/linux/knoppix-dvd/KNOPPIX_V7.4.1DVD-2014-09-15-EN.iso.sha1 
>>
>>
>> Once you burn it to dvd, boot it, and use the gui to launch a 
>> terminal (icon for it is at bottom left bar).
>>
> My burner can no longer burn dvds only plain cds.
OK, then here is the link to the CD version of the live Linux:

http://ftp.vim.org/knoppix/knoppix-dvd/CD/DVD/KNOPPIX_V7.4.2DVD-2014-09-28-EN.iso
    and the checksums:
http://ftp.vim.org/knoppix/knoppix-dvd/CD/DVD/KNOPPIX_V7.4.2DVD-2014-09-28-EN.iso.md5
http://ftp.vim.org/knoppix/knoppix-dvd/CD/DVD/KNOPPIX_V7.4.2DVD-2014-09-28-EN.iso.sha1

>> then you run
>> su -
>>
>> then you insert the usb stick.
>> Assuming there is only one HD in the machine, the stick will be
>> named /dev/sdb  If more than one HD in the machine, say 4 HD (sda, 
>> sdb, sdc, sdd), then
>> the stick will be sde.
>>
>> Run
>>
>> dd  if=/dev/zero of=/dev/sd?  bs=1M
>> where ? is b or c or d ...etc depending on how many HD's you have in 
>> the system.
>> You do not need to specify the count, because dd will stop when the 
>> stick is full of
>> zeros.
>>
>> Once done, unplug the stick, and reinsert it.
>>
>> then run the command fdisk /dev/sd?  (? as explained above)
>>
>> create 1 partition.
>> set it's type to whatever you want. I usually use the letter c as the 
>> type
>> to mean fat lba.
>>
>> To finish, type the command w  to the fdisk session
>> and you are done.
>>
>> Now type fdisk -l  /dev/sd?
>>
>> and you will see the drive has 1 partition.
>>
>> now create a filesystem on your drive:
>>
>> mkfs -t vfat /dev/sd?1   (again ? as explained above).
>>
>> type the command
>> reboot
>> and the dvd drive will get ejected.
>> press the return key to boot into your normal HD.
>>
>>
>> The stick is now useable and mountable.
>>
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