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
리눅스 모니터링 툴 12