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Red Hat Enterprise Linux Server Cookbook

You're reading from   Red Hat Enterprise Linux Server Cookbook Over 60 recipes to help you build, configure, and orchestrate RHEL 7 Server to make your everyday administration experience seamless

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Product type Paperback
Published in Dec 2015
Publisher
ISBN-13 9781784392017
Length 250 pages
Edition 1st Edition
Tools
Concepts
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Authors (2):
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Jakub Gaj Jakub Gaj
Author Profile Icon Jakub Gaj
Jakub Gaj
William Leemans William Leemans
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William Leemans
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Toc

Table of Contents (12) Chapters Close

Preface 1. Working with KVM Guests FREE CHAPTER 2. Deploying RHEL "En Masse" 3. Configuring Your Network 4. Configuring Your New System 5. Using SELinux 6. Orchestrating with Ansible 7. Puppet Configuration Management 8. Yum and Repositories 9. Securing RHEL 7 10. Monitoring and Performance Tuning Index

Setting up PCP – Performance Co-Pilot


Over the years, a lot of tools have been created to troubleshoot performance issues on your systems, such as top, sar, iotop, iostat, iftop, vmstat, dstat, and others. However, none of these integrate with each other, some are extensions to others, and so on.

PCP seems to have a couple of things right: it monitors just about every aspect of your system, it allows the centralized storage of (important) performance data, and it allows you to use not only live data, but also saved data among others.

How to do it…

In this recipe, we'll look at both the "default" setup and "collector" configuration, which allows you to pull in all the performance data you want.

The default installation

This is the basic setup of PCP:

  1. Let's install the necessary packages; run the following command:

    ~]# yum install -y pcp
    
  2. Now, enable and start the necessary daemons, as follows:

    ~]# systemctl enable pmcd
    ~]# systemctl enable pmlogger
    ~]# systemctl start pmcd
    ~]# systemctl start pmlogger...
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