How can I extend an existing file-system partition without destroying data?

Solution Verified - Updated 2024-01-05T10:07:24+00:00 -

Issue

Need to extend partition size and file system size without destroying any existing data
How do you extend an existing non-lvm partition without destroy any data?
I would like to extend a disk partition /dev/sdX1, is there any supported method to accomplish this?
What are the steps for increasing non lvm disk size for root
/var utilization is 100%, how to extend the size of partition /dev/sda4 which is mounted on /var?

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