Filesystem                                        Size  Used Avail Use% Mounted on
udev                                              477M     0  477M   0% /dev
tmpfs                                             100M  3.2M   97M   4% /run
/dev/mapper/ubuntu--server--openproject--vg-root   18G   11G  6.0G  65% /
tmpfs                                             497M     0  497M   0% /dev/shm
tmpfs                                             5.0M     0  5.0M   0% /run/lock
tmpfs                                             497M     0  497M   0% /sys/fs/cgroup
/dev/sda1                                         472M  422M   27M  95% /boot
tmpfs                                             100M     0  100M   0% /run/user/1000