DGX Spark - Need resize root partition for headless DGX OS and/or other Linux distros

Accelerated Computing DGX Spark / GB10 User Forum DGX Spark / GB10
21

fastfetch output w/out the logo:

OS: Ubuntu 24.04.3 LTS (Noble Numbat) aarch64
Host: NVIDIA_DGX_Spark (A.7)
Kernel: Linux 6.11.0-1016-nvidia
Uptime: 1 hour, 33 mins
Packages: 2313 (dpkg), 6 (snap)
Shell: bash 5.2.21
Display (DELL S2725QS): 3840x2160 @ 1.5x in 27", 60 Hz [External]
DE: GNOME 46.0
WM: Mutter (X11)
WM Theme: NV-Yaru
Theme: Yaru-nvidia-dark [GTK2/3/4]
Icons: Yaru-nvidia [GTK2/3/4]
Font: Ubuntu Sans (11pt) [GTK2/3/4]
Cursor: Yaru (24px)
Terminal: GNOME Terminal 3.52.0
Terminal Font: Ubuntu Sans Mono (13pt)
CPU: Cortex-A7255 + Cortex-X9255 + Cortex-A7255 + Cortex-X9255 (20) @ 4.00 GHz
GPU: NVIDIA Device 2E12 (VGA compatible)
Memory: 6.23 GiB / 119.70 GiB (5%)
Swap: 0 B / 16.00 GiB (0%)
Disk (/): 56.78 GiB / 3.67 TiB (2%) - ext4
Local IP (enP7s7): 192.168.50.144/24
Locale: en_US.UTF-8

22

Yeah, you are either running stock DGX OS (most likely) or Ubuntu with DGX packages installed. It works just fine with both my portable and Dell 32" (connected via USB-C). However, both displays are not recognized when using another Linux distro.