리눅스 모니터링 툴 12 http://iprize.tistory.com/643 http://ttend.tistory.com/144 http://blog.yatopark.net/cpu-%EC%82%AC%EC%9A%A9%EB%A5%A0-%EA%B3%84%EC%82%B0%ED%95%98%EA%B8%B0/ iostat is part of the sysstat package (yum whatprovides “*/iostat”). You need to download the sysstat RPM package. 즉 iostat 사용하려면 yum install sysstat