Resize Ubuntu on proxmox hd size

proxmox-ubuntu-resize

Based on:

https://gist.github.com/gjrdiesel/4e93d8743b71babb58dcba4ee049247c

https://www.reddit.com/r/Proxmox/comments/hkvl9a/cant_extend_ubuntu_20_lvm_after_expanding_raw_disk/

1. 

`lsblk`

asuming sda3 is ubuntu--vg-ubuntu--lv

`sudo parted`

`resize parted 3`

`100%`

`exit`

`sudo pvresize /dev/sda3`

`sudo pvs`

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

`sudo resize2fs /dev/mapper/ubuntu--vg-ubuntu--lv`

# Make sure the reserve space is correct. You should keep it at 1%
`sudo tune2fs -l /dev/mapper/ubuntu--vg-ubuntu--lv  | egrep "Block count|Reserved block count"`
`sudo tune2fs -m 1 /dev/mapper/ubuntu--vg-ubuntu--lv`