Permanent logging of resource utilization.atop is a performance monitor that can display:.htop, an interactive process viewer for Linux.Handy for answering the question 'why is our ADSL link so slow?'. It listens to network traffic on a named interface and displays a table of current bandwidth usage by pairs of hosts. iftop does for network usage what top does for CPU usage.Apachetop is a curses-based top-like display for Apache information, including requests per second, bytes per second, most popular URLs, etc.

In addition, server performance statistics, configuration information, and tuning tips are provided. Features include 'zooming' in on a process to show the complete query, 'explaining' the query optimizer information for a query and 'killing' queries.

mtop (MySQL top) monitors a MySQL server showing the queries which are taking the most amount of time to complete.In it, he describes not only the htop utility I came across earlier, but 4 additional tops to make any Linux administrator smile. Mike Malone, of the I'm Mike blog had an entry titled ' Top 5 tops: keep tabs on your system'. Tonight, while looking through the Google search words that lead people to my site, I found a Google result page which contained a 'hit' that immediately caught my eye. Yesterday, I posted about how htop was my new replacement for top on all Linux systems I manage.

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