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I recently installed ubuntu-server on a VM and later on increased the virtual hard disk size from 10Gb to 70Gb.

Here is the result of lsblk.

user@ubuntuserver:/$ lsblk
NAME                      MAJ:MIN RM  SIZE RO TYPE MOUNTPOINT
fd0                         2:0    1    4K  0 disk 
loop0                       7:0    0 30.3M  1 loop /snap/snapd/9279
loop1                       7:1    0   55M  1 loop /snap/core18/1880
loop2                       7:2    0 70.6M  1 loop /snap/lxd/16922
loop3                       7:3    0 55.3M  1 loop /snap/core18/1885
loop4                       7:4    0 29.9M  1 loop /snap/snapd/8542
loop5                       7:5    0 71.3M  1 loop /snap/lxd/16099
sda                         8:0    0   70G  0 disk 
├─sda1                      8:1    0    1M  0 part 
├─sda2                      8:2    0    1G  0 part /boot
└─sda3                      8:3    0    9G  0 part 
  └─ubuntu--vg-ubuntu--lv 253:0    0    9G  0 lvm  /
sr0                        11:0    1 1024M  0 rom  
sr1                        11:1    1 1024M  0 rom

As you can see 70Gb are available on sda but only 9Gb are assigned to sda3 partition where the ubuntu-server resides. I am wondering how I can allocate the rest of the available space of sda to sda3 through the terminal (as I have no access to the Esxi server that actually manages the VMs).

Note that ubuntu-server does not have a GUI, I can only connect to it through ssh to a root user, hence it has to be done using commands.

HelloWorld
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1 Answers1

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You cannot manipulate a disk's partitions while any of its partitions is mounted.

That's why all partition changing advice begins with "boot from a live USB".

waltinator
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