How to make your own Linux distro based on Ubuntu?

• Well you can try with

LFS( Linux From Scratch)

it's a book describing the building of a Linux..., google it.

• To make a distro based upon OpenSUSE, go to
  https://susestudio.com/

• To make a customized Ubuntu, you can start with www.instalinux.com/

• Here's more about forking a distro from Ubuntu:

  https://wiki.ubuntu.com/DerivativeDistroHowto

Creating Ubuntu distros is a common solution since Ubuntu itself became very popular as a desktop linux. Today, lots of projects are Ubuntu based, much beyond the official "flavors", Canonical's name for the official Ubuntu based distros. Linux Mint is an example of a Ubuntu based distro with a bigger level of customization.

To get the recommendations, go here. Those are stated as "unofficial", and very important info is there, such as reasons why one should do such a derivation, or not. Beyond that, it offers good practices to do the distro without loosing the benefits of an Ubuntu distro, and maybe more important, make your efforts more easy for the Ubuntu community to benefit from.

I don't know if this will help here is a link that might answer you :)

http://www.linuxvoice.com/build-your-own-linux-distro/

But am a starter from linux to Ubuntu is my prime os and I only use Ubuntu. I don't think you can make your own linux distro with ubuntu. But there is version of Ubuntu like Lubuntu for light wight and Kubuntu and others.

But I hope this help :)