How to clone Ubuntu into same machine with new partion?

Solution 1:

In my case I not have enough space for my Ubuntu system drive which is I frequently use.
So I want more space and want to back up to avoid anything wrong with my data.But I not have any other storage device to backup.

First Step:- By using Disk Utility , I delete My Scientific Linux drive. For get extra 30 GB space. and make partition 53.GB
delete partitionmaking partitionsecond Step:- I restart Computer. And start BOSS Linux.
3rd Step:- RUN DD command into BOSS Linux to make clone of Ubuntu Drive.
dd command

Before restart PC I install GRUB loder into BOSS Linux.
grub configgrub install Then Start Ubuntu 14.04 then One problem occurred their. 53GB drive only shows 20GB space.
drive space pseudo capacity
Then I use Gparted utility to solve it. Again one problem occurred.
gparted utility
critical problem.
solve it run command into terminal.

$ e2fsck -f /dev/sda13

e2fsck
I try make re-size the drive and re-size successfully. After that I restart again my PC and start Ubuntu for check problem.
Ubuntu 14 53gb space problem solved.
Again start BOSS Linux to format old Ubuntu drive. Restart PC and select Ubuntu 14.04 and finally install Grub into Ubuntu.And it solve my problem without any other external or internal extra storage devices.
NOTE:- But its better and strongly recommend that keep back-up before do it.
You can be able do it by using Live CD or boot repair disk. For that I so much thankful of edward-torvalds and Helio without their valuable info, guidance, and reference it is impossible to solve it for me. Thanks.