#!/bin/bash
kill_all () 
{ 
    if [ -z "$1" ]; then
        echo "Usage: $0 <keyword>";
        exit 1;
    fi;
    KEYWORD="$1";
    ps aux | grep --color=auto "$KEYWORD" | grep --color=auto -v "grep" | awk '{print $2}' | xargs -r kill -9
}
kill_all "$@"