Only kill processes with matching binary names

test/kill_node.sh

@@ -1,9 +1,3 @@
 #!/bin/bash
-
-for pid in `/bin/ps -fu $USER| grep "harmony\|txgen\|soldier\|commander\|profiler\|beacon\|bootnode" | grep -v "grep" | grep -v "vi" | awk '{print $2}'`;
-do
-    echo 'Killed process: '$pid
-    kill -9 $pid
-done
-
+pkill -9 '^(harmony|txgen|soldier|commander|profiler|beacon|bootnode)$' | sed 's/^/Killed process: /'
 rm -rf db-127.0.0.1-*