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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

Tuning your system's performance


Companies buy the best hardware their money can get, and they want to use everything optimally. However, it's not just the hardware that makes your applications run faster. Your OS will also behave differently under specific circumstances.

Tuned is a set of tools and a daemon that tunes your system's settings automatically depending on its usage. It periodically collects data from its components through plugins, which it uses to change system settings according to the current usage.

How to do it…

In this recipe, we'll ask tuned which profile to use and apply it through the following steps:

  1. First, run the following command to install the required packages:

    ~]# yum install -y tuned
    
  2. Enable and start tuned by executing the following commands:

    ~]# systemctl enable tuned
    ~]# systemctl restart tuned
    
  3. Have tuned guess the profile to be used via the following:

    ~]# tuned-adm recommend
    virtual-guest
    
  4. Finally, apply the recommended profile to tuned, as follows:

    ~]# tuned-adm...
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