ubuntu@jenkins-master-service:~$ sudo du -h -d1 /
12K	/dev
565M	/usr
0	/sys
4.0K	/lib64
4.8M	/home
16K	/lost+found
20K	/root
36M	/boot
5.1M	/etc
335M	/var
4.0K	/tmp
13G	/mnt
9.6M	/bin
9.6M	/sbin
214M	/lib
4.0K	/srv
du: cannot access '/proc/32534/task/32534/fd/4': No such file or directory
du: cannot access '/proc/32534/task/32534/fdinfo/4': No such file or directory
du: cannot access '/proc/32534/fd/4': No such file or directory
du: cannot access '/proc/32534/fdinfo/4': No such file or directory
0	/proc
4.0K	/opt
4.0K	/media
488K	/run
14G	/