Ubuntu 20.04.5 LTS ubuntu ttyS0

ubuntu login: root
Password:
Welcome to Ubuntu 20.04.5 LTS (GNU/Linux 4.14.87 aarch64)

 * Documentation:  https://help.ubuntu.com
 * Management:     https://landscape.canonical.com
 * Support:        https://ubuntu.com/advantage
Last login: Tue Feb 21 14:28:40 CST 2023 on ttyS0
root@ubuntu:~# sudo growpart /dev/mmcblk2 1
NOCHANGE: partition 1 is size 62331871. it cannot be grown
root@ubuntu:~#  sudo resize2fs /dev/mmcblk2p1
resize2fs 1.45.5 (07-Jan-2020)
Filesystem at /dev/mmcblk2p1 is mounted on /media/sdcard1; on-line resizing required
old_desc_blocks = 1, new_desc_blocks = 2
resize2fs: Permission denied to resize filesystem
root@ubuntu:~# df -h
Filesystem      Size  Used Avail Use% Mounted on
/dev/root       9.9G  8.9G  1.1G  90% /
devtmpfs        1.6G     0  1.6G   0% /dev
tmpfs           2.0G     0  2.0G   0% /dev/shm
tmpfs           394M  1.2M  393M   1% /run
tmpfs           5.0M     0  5.0M   0% /run/lock
tmpfs           2.0G     0  2.0G   0% /sys/fs/cgroup
tmpfs           394M     0  394M   0% /run/user/0
root@ubuntu:~#