Results
root@pi-usenet:~# du -a / --exclude /mnt/seagate --exclude /mnt/TV --exclude /mnt/Movies --exclude /mnt/Music | sort -n -r | head -n 20
du: cannot access '/proc/574/task/56578': No such file or directory
du: cannot access '/proc/574/task/56622': No such file or directory
du: cannot access '/proc/56637/task/56637/fd/3': No such file or directory
du: cannot access '/proc/56637/task/56637/fdinfo/3': No such file or directory
du: cannot access '/proc/56637/fd/4': No such file or directory
du: cannot access '/proc/56637/fdinfo/4': No such file or directory
3326027 /
1628472 /usr
1140092 /usr/lib
919708 /mnt
919684 /mnt/dietpi_userdata
473708 /usr/lib/aarch64-linux-gnu
371352 /usr/lib/mono
352944 /mnt/dietpi_userdata/downloads
351208 /mnt/dietpi_userdata/downloads/sabnzbd_nzb_backup
289656 /lib
279236 /opt
260824 /mnt/dietpi_userdata/radarr
245552 /usr/share
244720 /mnt/dietpi_userdata/sonarr
233424 /mnt/dietpi_userdata/radarr/MediaCover
223340 /lib/firmware
157484 /opt/radarr
149116 /mnt/dietpi_userdata/sonarr/MediaCover
121748 /opt/bazarr
117704 /opt/bazarr/libs