PSA - if the boot volume gets too full, not even
cleanup will help:
$ ./launcher cleanup WARNING: You must have at least 5GB of *free* disk space to run Discourse. Insufficient disk space may result in problems running your site, and may not even allow Discourse installation to complete successfully. Please free up some space, or expand your disk, before continuing.
df -h Filesystem Size Used Avail Use% Mounted on /dev/vda 30G 28G 0 100% / none 4.0K 0 4.0K 0% /sys/fs/cgroup udev 992M 12K 992M 1% /dev tmpfs 201M 364K 200M 1% /run none 5.0M 0 5.0M 0% /run/lock none 1002M 1.4M 1000M 1% /run/shm none 100M 0 100M 0% /run/user