proxmox-resize-vm-disk

1st step: increase/resize disque from GUI console 
2nd step : Extend physical drive partition check free space :
$ sudo fdisk -l 
$ growpart /dev/sda 3 (Extend physical drive partition ) 
$ pvdisplay ( See phisical drive ) 
$ sudo pvresize /dev/sda3 (Instruct LVM that disk size has changed) 
$ pvdisplay ( check physical drive if has changed ) [U]
3rd step: Extend Logical volume [/U] 
$ lvdisplay (# View starting LV) 
$ sudo lvextend -l +100%FREE /dev/ubuntu-vg/ubuntu-lv ( # Resize LV) 
$ lvdisplay (# View changed LV) 
4th step : Resize Filesystem \
$ resize2fs /dev/ubuntu-vg/ubuntu-lv 
$ fdisk -l (# Confirm results)

• Increase/resize disc from GUI console

• Identify Linux partition:

  sudo fdisk -l
  

• Extend physical drive partition

  growpart /dev/sda 3
  

• Instruct LVM that disk size has changed

  sudo pvresize /dev/sda3
  

• Find Entry with starting LV

  lvdisplay
  

• Resize LV

sudo lvextend -l +100%FREE /dev/ubuntu-vg/ubuntu-lv
sudo resize2fs /dev/ubuntu-vg/ubuntu-lv