I saw today that my computer didn't want to boot because my /dev/sdb2 (/ partition) was totally full. That was a big mistake from me, I'm a beginner and I've set the size at 10G, which isn't enough.I started from the Debian 8 (which is my OS) install CD, and now I'm on an install shell. And Something is going wrong.I want to increase my /dev/sdb2 size, here's the output of fdisk -l:Device     Start     End         Sectors     Size    Type/dev/sdb1  2048      1050623     1048576     512M    EFI System/dev/sdb2  1050624   20582399    19531776    9.3G    Linux filesystem/dev/sdb3  20582400  53938175    33355776    15.9G   Linux swap/dev/sdb4  53938176  1836517375  1899586959  905.8G  Linux filesystemso /dev/sdb2 is mounted on /, and /dev/sdb4 on /home. I tried decrease /dev/sdb4's size, and increase /dev/sdb2's but this changed the start and caused a catastrophic error. Mistakes made me learn !Now my problem is: how can I do to increase /dev/sdb2's size without changing his start (and lose everything) and without changing any other start too?Thank you !
Can't increase partition size due to start
debian;partition;fdisk