Date: Tue, 04 Aug 2015 00:51:45 +0200 From: Bernt Hansson <bah@bananmonarki.se> To: freebsd-questions@freebsd.org Subject: Re: USB stick and some help with it. Message-ID: <55BFF081.5050703@bananmonarki.se> In-Reply-To: <55BFB064.60507@gmail.com> References: <55BF6AA0.2030802@bananmonarki.se> <55BFAC5D.5070309@sneakertech.com> <55BFB064.60507@gmail.com>
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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. > 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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