How to resize a logical volume with 4 simple LVM commands

1st step

• Increase/resize disque from GUI console of your hypervisor

2nd step

Extend physical drive partition check free space: sudo fdisk -l

• Extend physical drive partition: growpart /dev/sda 3 
• See phisical drive: pvdisplay
• Instruct LVM that disk size has changed: sudo pvresize /dev/sda3
• Check physical drive if has changed: pvdisplay

3rd step

Extend Logical volume

• View starting LV: sudo lvdisplay
• Resize LV: sudo lvextend -l +100%FREE /dev/ubuntu-vg/ubuntu-lv
• View changed LV: sudo lvdisplay

4th step

• Resize Filesystem: resize2fs /dev/ubuntu-vg/ubuntu-lv
• Confirm results: fdisk -l