Practical Linux Security Cookbook by Tajinder Kalsi

Author:Tajinder Kalsi [Kalsi, Tajinder]
Language: eng
Format: azw3, epub, pdf
Publisher: Packt Publishing
Published: 2016-04-29T04:00:00+00:00

Getting ready

Before we start making any changes to the TCP/IP configuration, make sure to create a backup of the Network Manager configuration file, using this command:

Also, create a backup of the /etc/network/interfaces file in the same way.

How to do it...

In this section, we will take a look at how we can manually configure network settings using the command line:

Before starting the manual configuration, first let's check our current IP address, which has been assigned to the system automatically by DHCP. We can check the details graphically by right-clicking on the Networking icon in the top-right panel and then selecting Connection Information, as seen in the following image:

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