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    <div class="moz-cite-prefix">On 19/08/12 17:00, John Kim wrote:<br>
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    <blockquote
cite="mid:CAGpNz-yLcwGb=fjkd5WzGRkQ5T3NfhtE=USACofj=+TS5w-gGQ@mail.gmail.com"
      type="cite">Hello QA Team,<br>
      <br>
      I want to use zsync.  After browsing the web for some more
      information, I understood that the iso file must be in the
      harddrive, namely the home folder, for zsync to work.  So I placed
      a recently downloaded quantal image on my home folder and
      copy-pasted the command.  But this came out as my output.<br>
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    Also, it's not the case that the ISO must be present already. If
    it's not then all of the image will have to be downloaded as normal
    - the difference being that if an existing image is present, then
    merely the difference between the old image and the new image will
    be retrieved, thus saving bandwidth/time<br>
    <blockquote
cite="mid:CAGpNz-yLcwGb=fjkd5WzGRkQ5T3NfhtE=USACofj=+TS5w-gGQ@mail.gmail.com"
      type="cite">
      <br>
      <div style="margin-left:40px"><span style="font-family:courier
          new,monospace">john@thunderbolt:~$ zsync <a
            moz-do-not-send="true"
href="http://cdimage.ubuntu.com/daily-live/20120819/quantal-desktop-amd64.iso.zsync">http://cdimage.ubuntu.com/daily-live/20120819/quantal-desktop-amd64.iso.zsync</a></span><br
          style="font-family:courier new,monospace">
        <span style="font-family:courier new,monospace"><a
            moz-do-not-send="true" href="http://cdimage.ubuntu.com">cdimage.ubuntu.com</a>:
          Connection timed out</span><br style="font-family:courier
          new,monospace">
        <span style="font-family:courier new,monospace">failed on url <a
            moz-do-not-send="true"
href="http://cdimage.ubuntu.com/daily-live/20120819/quantal-desktop-amd64.iso.zsync">http://cdimage.ubuntu.com/daily-live/20120819/quantal-desktop-amd64.iso.zsync</a></span><br
          style="font-family:courier new,monospace">
        <span style="font-family:courier new,monospace">could not read
          control file from URL <a moz-do-not-send="true"
href="http://cdimage.ubuntu.com/daily-live/20120819/quantal-desktop-amd64.iso.zsync">http://cdimage.ubuntu.com/daily-live/20120819/quantal-desktop-amd64.iso.zsync</a></span><br
          style="font-family:courier new,monospace">
        <span style="font-family:courier new,monospace">john@thunderbolt:~$
        </span><br>
        <br>
      </div>
      It failed to "read control file." What have I done wrong?  How can
      I make zsync work? Thanks.<br clear="all">
      <br>
      -- <br>
      John Kim
      <div>Ubuntu enthusiast</div>
      <div><a moz-do-not-send="true" href="http://lookjohn.com"
          target="_blank">lookjohn.com</a> </div>
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