Converting .iso to .img in Mac OS X 10.6
Solution 1
I had this same problem while trying to create an Ubuntu Server USB disk from a downloaded .iso file. Taking h0tw1r3's advice, I ran md5 ~/path/to/ubuntu-server.iso
and it came back with a different value than the one found on the UbuntuHashes wiki page, indicating that my download was a "corrupted" .iso file.
To fix it, I opened the .torrent file from the Alternative Downloads page in Transmission, which automatically scanned the corrupt file in my Downloads folder, figured out what I was missing, and corrected the file by downloading only those parts. Three cheers for bittorrent!
Solution 2
I had the same problem and even ran md5 check which was successful, the problem was the order of the parameters in the command.
Try this:
hdiutil convert ubuntu-11.04-server-amd64.iso -format UDRW -o ubuntu.img
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AKor
Updated on September 18, 2022Comments
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AKor almost 2 years
I'm trying to convert an .iso file (Ubuntu disc image) to a .img file.
I run a command like so:
hdiutil convert -format UDRW -o ubuntu.img ubuntu-11.04-server-amd64.iso
But no matter what, I get the error:
hdiutil: convert failed - not recognized
I'm not sure how to resolve this problem or how else I can convert. Any help?
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h0tw1r3 about 13 yearsAre you sure the iso is not corrupt? Are you able to mount the iso?
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HikeMike about 13 yearsWorks for me. I second @h0tw1r3's suspicion that the iso file is broken.
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afrazier over 12 years+1 for mentioning the use of BitTorrent in only re-downloading the broken parts of the file.