Useful commands for disk cleanup …

Subfolder size excluding specific folders

[root@FVP05 ~]# du -shx --exclude=/mnt --exclude=/proc /*
0 /afs
0 /bin
312M /boot
2.1M /ca
8.0K /cacert.pem
4.0K /careq.pem
0 /certs
0 /crl
0 /dev
48M /etc
37M /home
0 /lib
0 /lib64
0 /media
0 /newcerts
0 /openhab
954M /opt
4.0K /private
457M /root
1.2M /run
120K /SampleCode
0 /sbin
0 /srv
0 /swapfile
0 /sys
227M /tmp
8.2G /usr
14G /var

List the largest n RPM installs

[root@FVP05 ~]# rpm -qa –qf ‘%{SIZE}\t%{NAME}\n’ | sort -nr | head -10

488208897 azure-cli
248737290 java-latest-openjdk-headless
238259971 glibc-all-langpacks
182326049 mesa-vulkan-drivers
147275895 llvm-libs
127750222 gcc
106627293 kernel-core
106091788 kernel-core
105915244 nvidia-gpu-firmware
105470864 kernel-modules

And clean up the journal logs

journalctl --vacuum-size=100M