top
top – display Linux tasks
iotop
iotop – simple top-like I/O monitor
iftop
iftop – display bandwidth usage on an interface by host
ntop
ntop – display top network users
atop
atop – Advanced System & Process Monitor
ftop
ftop – show progress of open files and file systems
mytop
mytop – display MySQL server performance info like ‘top’
htop
htop – interactive process viewer
关于安装： 如果幸运的话，都可以通过yum install 搞定