Course info
Jan 9, 2018
1h 30m

You've probably spent time worrying about the health and welfare of your Linux servers. Wouldn't you love some insight into what’s really going going on under the hood and, more importantly, into setting up a monitoring protocol that will alert you quickly if things seem to be heading south again? In this course, Linux Performance Monitoring and Tuning, you will learn how to identify and manage the way application processes handle CPU, memory, network, and storage resources. You will also learn to use and interpret tools like systemctl, top, iftop, nice, cgroups, and tc, and how to monitor the performance of fleets of servers using Collectd, Nagios, and nmon. Finally, you will touch on how to analyze performance trends of those servers with Munin. When you’re finished with this course, you will have a good idea how to optimize process and application performance on Linux systems in a way that will help you improve and foolproof your infrastructure. Software required: Linux. Lots of Linux.

About the author
About the author

David taught high school for twenty years, worked as a Linux system administrator for five years, and has been writing since he could hold a crayon between his fingers. His childhood bedroom wall has since been repainted.

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Section Introduction Transcripts
Section Introduction Transcripts

Course Overview
Servers running layers upon layers of busy software are complicated beasts. And fleets of servers meant to work together to provide digital services of one kind or another are exponentially more complex. If you're responsible for administrating some of those beasts, you'll really want insight into the way they're working and some clues about what they might do next. Since the overwhelming majority of server workloads in use today are running on Linux, I'd say there is great value in learning how to read all the performance data they produce. So this Linux Performance Monitoring and Tuning course aims to help you extract that value so you can get your infrastructure humming nicely. You'll need to understand how Linux manages system resources like CPU, memory, storage, and network connectivity on behalf of your running applications. You'll also need to know how to find and use the many command line tools Linux provides to make necessary system and policy changes. But insight requires more than just a good understanding of how things are supposed to work. You'll also need a way to intelligently consume the flow of data that your servers are constantly generating. To address that need, I'll show you how you can configure and launch multi-server monitoring operations using the number of tools including collectd and Nagios and how to analyze real time performance trends using Munin. When you're done, you should be up to giving your servers a good makeover and sleeping better at night.