Resize root partition (or how to remove the default /home partition) on CentOS 7 online
This requires you to be able to ssh into the instance using the root user account and that no services be running as users out of /home on the target machine.
The examples are from a default installation with no customation-you NEED to know what you're working with for volumes/partitions to not horribly break things.
By default, CentOS 7 uses XFS for the file system and Logical Volume Manager (LVM), creating 3 partitions:
Step 1 - Copy /home Contents
To backup the contents of /home, do the following: