scrub, in the Fedora repos, has a fillzero option and a freespace specifier that should do the trick. MAKE A BACKUP FIRST, as scrub's primary job is to erase any trace of everything on a device, so you'd hate to get the options wrong!
On Wed, Sep 4, 2019 at 4:41 PM ToddAndMargo via users < users@lists.fedoraproject.org> wrote: > On 9/4/19 1:25 PM, ToddAndMargo via users wrote: > > On 9/4/19 2:44 AM, Patrick O'Callaghan wrote: > >> The point of Eyal's method is to ensure that all the free space on the > >> drive is filled with zeroes, thus improving the compression. Otherwise > >> you are just uselessly compressing junk. > >> > >> poc > > > > Is there a way to tell the stick itself to zero out > > all unused space? > > This sounds like what I need: > > https://manpages.ubuntu.com/manpages/trusty/man8/zerofree.8.html > > Am I on the right track? > > -T > _______________________________________________ > users mailing list -- users@lists.fedoraproject.org > To unsubscribe send an email to users-le...@lists.fedoraproject.org > Fedora Code of Conduct: > https://docs.fedoraproject.org/en-US/project/code-of-conduct/ > List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines > List Archives: > https://lists.fedoraproject.org/archives/list/users@lists.fedoraproject.org > -- Ted Roche Ted Roche & Associates, LLC http://www.tedroche.com
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