How to resize root directory on Redmi Note7

[zhaiker]

I used the obsolete Redmi Note7 to change the DC direct power supply, and used OTG to build a home Nas but the root directory space is not enough after installing the admin panel, how can I expand the root directory space?

[OtaDr]

From what did you install ?
directly https://ubuntu.com/download/server/arm ?

if so, then when installing Ubuntu in the step of selecting the disc you can set ( change ) the size of /

[zhaiker]

@OtaDr Installation of Ubuntu Touch via Termina l

[OtaDr]

I'm just guessing can you run the installation like on a PC or is it fully automatic?