Use UCK to Rebuild a distro, Die at:

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Running ISO customization script /home/jack/tmp/customization-scripts/customize_iso...
--2016-05-14 09:46:56--  http://archive.ubuntu.com/ubuntu/ubuntu/ubuntu/dists/precise/main/source/Sources.gz
Resolving archive.ubuntu.com (archive.ubuntu.com)... failed: Name or service not known.
wget: unable to resolve host address ‘archive.ubuntu.com’
--2016-05-14 09:47:57--  http://archive.ubuntu.com/ubuntu/ubuntu/ubuntu/pool/main/g/gfxboot-theme-ubuntu/
Resolving archive.ubuntu.com (archive.ubuntu.com)... failed: Name or service not known.
wget: unable to resolve host address ‘archive.ubuntu.com’
Unable to download gfxboot-theme-ubuntu source package from http://archive.ubuntu.com/ubuntu/ubuntu/ubuntu/pool/main/g/gfxboot-theme-ubuntu/
Build ended at 2016-05-14 09:48:52