Todd thanks. I am filing this away for my own use later. On Sun, Dec 14, 2014 at 11:26 AM, Todd Millecam <tyg...@gmail.com> wrote: > > Oh, if it's SSD drives, don't do it this way, this is solely for plattered > drives. If you are using an SSD, then you just need to issue a secure > command to the drive and tell it to wipe itself--which you can do through > hdparm: > > $~ hdparm --user-master u --security-set-pass PasSWorD /dev/sda #sets up > security on the drive > > $~ hdparm --user-master u --security-erase PasSWorD /dev/sda # the point of > no return delete everything on your SSD drive command > > > > On Sun, Dec 14, 2014 at 11:00 AM, Todd Millecam <tyg...@gmail.com> wrote: >> >> There's a lot of ways to do it, but they all do the same thing. >> In bash: >> $~ shred -zn10 /dev/sda >> >> That'll securely erase everything on block device /dev/sda--give it a >> while to run as it's writing random numbers across the entire drive and >> then finishing by writing nothing but 0s on it. This makes all data on the >> device non-recoverable. >> >> You need to overwrite the data anywhere from 4 - 15 times before it's >> clean and nothing can be recovered from it. >> >> That's essentially all dban/wipe is doing. If you want to get even more >> primitive, then you can use dd (garunteed to be on all *nix systems) >> $~ dd if=/dev/random of=/dev/sda && dd if=/dev/zero of=/dev/sda >> >> That's the same as doing one pass, but if shred is there (and it usually >> is) then it'll do all 10 passes for you. I guess you could just throw that >> dd command in a simple loop: >> $~ for i in `seq 10` ; do dd if=/dev/random of=/dev/sda && dd >> if=/dev/zero of=/dev/sda ; done >> >> >> Dban or wipe will do all this for you, but you can do it yourself. >> (Note, don't do it on the currently-running OS drive, because it'll >> eventually erase glibc.so being used to do the overwrite. If you want to >> do it on multiple drives, just plug them all into the same computer, and >> run shred on all of them from a live-cd of your chosing) >> >> >> >> On Sun, Dec 14, 2014 at 10:27 AM, Stephen M <smelhei...@gmail.com> wrote: >> >>> HI, >>> >>> I have a couple drives that I want to wipe and give them to the Loco >>> group. I have never done a wipe on my own computer. I want to see whats >>> the best method. I know there is dban, wipe, and many other solutions. I >>> will be using a SATA to USB adapter so I don't have to open my computers >>> >>> What I need to know is there a way to use that device and still work on >>> my computer. Or do I have to let my computer run dban or whatever to wipe >>> the drive. >>> >>> Thanks all. >>> >>> -- >>> Stephen Melheim >>> 602-400-7707 >>> smelhei...@gmail.com >>> >>> --------------------------------------------------- >>> PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org >>> To subscribe, unsubscribe, or to change your mail settings: >>> http://lists.phxlinux.org/mailman/listinfo/plug-discuss >>> >> >> >> -- >> Todd Millecam >> > > > -- > Todd Millecam > > --------------------------------------------------- > PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org > To subscribe, unsubscribe, or to change your mail settings: > http://lists.phxlinux.org/mailman/listinfo/plug-discuss >
-- 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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