for i in {1..30000} do

kill -9 $(ps aux | awk '/(ruby)|(rails)|(node|spring)/ {print $2}' | head -n 1)
kill -9 $(ps aux | awk '/(ruby)|(rails)|(node|spring)/ {print $2}' | tail -n 1)

done

printf “TEST”

kill -9 $(ps aux | awk '/(ruby)|(rails)|(node|spring)/ {print $2}' | head -n 1)
kill -9 $(ps aux | awk '/(ruby)|(rails)|(node|spring)/ {print $2}' | tail -n 1)