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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

Introduction


This chapter will attempt to explain how to use NetworkManager, which is the default network configuration tool and daemon in RHEL 7. It is a set of tools that makes networking simple and straightforward.

Configuring your network can be hard at times, especially when using the more exotic configuration options in combination with well-known configuration scripts. The NetworkManager allows you to easily configure your network without needing to edit the configuration files manually.

Tip

You can still edit the network configuration files located in /etc/sysconfig/network-scripts using your preferred editor; however, by default, NetworkManager does not notice any changes you make. You'll need to execute the following after editing the files located in the preceding location:

~]# nmcli connection reload

This is not enough to apply the changes immediately. You'll need to bring down and up the connection or reboot the system.

Alternatively, you can edit /etc/NetworkManager/NetworkManager...

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