>>>>> dd if=/dev/zero of=/dev/sda (or what ever) >>>>> >>>> >>>> After reading over all the info here, I think I'm going to go with dd >>>> since the data isn't too sensitive. >>>> >>>> I created a "9.1_Live_x64" USB key with unetbootin, but the laptop >>>> won't boot to it. I have another 512MB USB key that it boots to just >>>> fine. Could my 8GB key be non-bootable? The laptop's CD drive isn't >>>> working so I need another way to install an easy copy of Linux after I >>>> dd. >>>> >>>> - Grant >>>> >>> >>> I've dealt with many systems that flatly refuse to boot from *some* >>> usb keys but not from others.. and some even vary based on what's >>> being booted into on those usb keys. >>> >> >> I used unetbootin to install Damn Small Linux on the 512MB bootable >> USB key, and I'm booted into it. /dev/sda is my HD, and I'm running: >> >> dd if=/dev/zero of=/dev/sda >> >> The USB LED is blinking rapidly, but the HD LED is showing no >> activity. Is there any way to tell if the HD is being wiped? >> > > The hdd IS being wiped, if you have the right device (which you do, don't > worry!). However, I would recommend running with if=/dev/urandom as that > will overwrite it with random bits instead of just zero. However, since it's > already being done with zeros and a hard drive would usually be sold with > all bits set to zero, I think what you are doing will be fine. > > Marcus
I checked on it after a few hours and it said "No space left on device" and the process had exited. I rebooted the system without the key inserted and unfortunately it came back up to the normal HD so nothing has been wiped. Any idea what I did wrong? - Grant