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Re: [Bug-wget] Problem using GNU Wget 1.11.4 Windows version

From: Anthony Bryan
Subject: Re: [Bug-wget] Problem using GNU Wget 1.11.4 Windows version
Date: Mon, 19 Mar 2012 12:19:35 -0400

On Sun, Mar 18, 2012 at 6:24 PM, JD <address@hidden> wrote:
> When using wget with the -c option, it does recover and resume the download
> after network failures. However, after it finishes the download (in my case
> downloading
> Fedora-16-i386-DVD.iso), I run the sha256sum on the downloaded ISO and it is
> completely different to the value stored in the file of CHECKSUMS on the
> same
> page URL - http://mirrors.kernel.org/fedora/releases/16/Fedora/i386/iso/
> I downloaded this iso at least twice, with the same result - the sha256sum
> performed on the file does not match the one at the above URL, and nor
> does it match the result of sha256sum performed on the previous downloads
> of the iso file.
> So, something is not right with wget!!

JD, errors can pop up in a number of places during the download process.

there are 3 things you can do to fix the download: rsync, bittorrent,
or metalink.

using the latest version of wget is always better than not, but you
can't fix this download with wget. (by that, I mean if you've kept the
error file & not deleted it).
wget will be fine if no errors occur, but the larger the download the
more likely you are to run into an error (probably). & you have
already gotten errors at least twice.

many Linux distributions use metalink or bittorrent for these large
ISO downloads to correct errors & for other features like mirror

I would suggest using aria2 & the attached metalink file. aria2 is a
command line downloader like wget.

Fedora already provides metalinks for all their files, but
unfortunately they don't include all the repair information, just the
sha256sum to detect errors.


(( Anthony Bryan ... Metalink [ http://www.metalinker.org ]
  )) Easier, More Reliable, Self Healing Downloads

Attachment: Fedora-16-i386-DVD.iso.meta4
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