@RadioMick Thanks
on my Redmi Note 9 pro i get this
phablet@ubuntu-phablet:~$ df /
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/mapper/system 3026216 3000464 0 100% /
phablet@ubuntu-phablet:~$
Although I didnt install too many packages.
How to fix this ?
Thanks