Usually, when cloud9 only answers βKilledβ, this means that many processes are running in Cloud9 at the same time, and cloud9 cannot allocate memory for this current process, so it just kills the current executable process.
, cloud9, , ps -ef.
, , "kill -9` pgrep ruby ββ" ( ). spring, , rails server -b $IP -p $PORT, execte bundle exec rake test , .