/ (93% used) has reached the WARNING level (90%) Filesystem 1024-blocks Used Available Capacity Mounted on tmpfs 508076 0 508076 0% /sys/fs/cgroup /dev/vda3 23101264 20291232 1613488 93% / /dev/vda1 487634 122295 335643 27% /boot tmpfs 101616 0 101616 0% /run/user/0 tmpfs 101616 0 101616 0% /run/user/2