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I am user of Ubuntu Desktop from last 10 years. I have deployed Ubuntu on lab machines at my school where I work as ICT faculty.
I generally use g++ 4.6, idle using python 3.2, Inkscape, GIMP, Libo Base, Tux Paint for my students as their courseware.
The problem is when some PC needs reinstall, I need to install all packages after Internet downloads, which consume time.
I need a Ubuntu install disk with all software pre-installed without Internet connection.
I tried Ubuntu Customization Kit, which crashes after asking "language" step.
Please help, I am as a ICT faculty trying to popularize Ubuntu (FOSS) in this part of the world.