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Have made several attempts to download and create iso on CD and USB of 12.04 server 64-bit. Install attempts on a few different machines always hits several "Debootstrap Warning - "......deb file was corrupt" errors. iso passes MD5checksum

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You'll have to be more detailed than that. Such as what cd exactly, and what is the exact error? Better yet, collect /var/log/syslog. – psusi Jun 18 '13 at 17:04
We have created a boot cd and usb stick to install Ubuntu 12.04 server (actually) 32-bit. During "Install the base system"- Debootstrap warning-Warning:file:///cdrom/pool/main/e/eglibc/libc6_2.11.1-0ubuntu_i386.deb was corrupt – GCA Jason Jun 18 '13 at 20:53
And what is the md5sum of that file? – psusi Jun 19 '13 at 13:33

I had a similar problem and I solved it with workarround described here:

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Welcome to Ask Ubuntu! Whilst this may theoretically answer the question, it would be preferable to include the essential parts of the answer here, and provide the link for reference. – i08in Apr 19 '14 at 7:01

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