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Table of Contents

top

the classic top util, used for real-time process list

htop

top on steroids: color display, bar-graph per-CPU usage

apache-top

apache-top is used to parse the server-status/ apache page (usage: apache-top.py http://servername/server-status)

Note: Not to be confused with apachetop, which use apache's log files instead.

iftop

iftop monitor network usage.

mtop

MySQL real-time monitoring. access MySQL using the “mysqltop” user with no password by default, so create on the MySQL server.