[ILUG] how not to download a DVD ISO image, a step-by-step guide
mariconor at gmail.com
Mon Jan 28 09:18:59 GMT 2008
On 27 Jan 2008, at 19:00, Brian Foster wrote:
> how not to download a DVD ISO image,
> in easy steps ....
> 0. the Kubunto 7.10 DVD image is c.4.3GiB
> 1. if wget(1) reports the size of the download
> to be only c.300,000,000, it ain't the full
> image. ignore ....
> 2. if wget only takes 20 minutes at c.240K/s,
> it ain't the full image ignore ....
> 3. inexplicitably ignore the MD5SUMS file and
> its contents ....
> 4. if it takes a surprisingly short amount of
> time to burn to a DVD-R, it ain't the full
> image. wonder about this, but ignore ....
> 5. watch DVD boot into grub, but then repeatedly
> fail. creatively curse, verify (using dd(1)
> and cmp(1)) the DVD was burnt correctly, and
> start another wget.
> 6. step 1, again.
> 7. wonder why, after just a few minutes, wget
> reports a substantial percentage of the image
> has been downloaded. THE LIGHT DAWNS ....
> 8. more creative cursing, stop the wget, and
> use FireFox to download instead (carefully
> checking that it reports the right size and
> a plausible estimated time) ....
> the end. (I hope.)
> and I hadn't even had a drink yet!
> no small cute fuzzy animals were harmed in the
> making of this mess, albeit a foam rubber penguin
> did bounce off a wall. now where it'd go to ....?
> cheers, an embarrassed
I always use curl, example:
$ curl -C - -O http://blahblah/file.iso
It has resume features, and seems to always work, even over https.
I would never use a web browser for such things, files over 4GB tend
to bork --
a side note, anyone using windows iexplorer -- it does not support
files of DVD size, so it will always fail.
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