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Configure Networking via YaST and Wicked on SUSE Linux Enterprise

In this hands-on lab, we will be working with networking using YaST and Wicked. This is something every admin should know, and the steps in this lab are especially important to know in a DevOps scenario.

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Path Info

Level
Clock icon Beginner
Duration
Clock icon 30m
Last updated
Clock icon Aug 30, 2025

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Table of Contents

  1. Challenge

    Use Wicked to Get the IP Address of eth0 and Then Use YaST to Configure the Hostname handsonlab.net to Resolve to the eth0 IP Address

    1. Run the command:

      sudo wicked show all

      Take note of the eth0 IP address.

    2. Then use YaST to set the hostname:

      sudo yast

    3. In the ncurses interface, go to Network Services > Hostnames > Add.

    4. Enter the IP address of the eth0 adapter.

    5. Enter the hostname handsonlabs.net.

    6. Save and exit out of YaST.

  2. Challenge

    Verify that DNS Resolution Is Set Correctly in `nsswitch.conf` and That Changes Are Present in `/etc/hosts`, and Verify with Curl

    1. Read the file, and look for the hostname:

      cat /etc/hosts

    2. Check nsswitch.conf and make sure the dns line is set to files first:

      cat /etc/nsswitch.conf

hosts:  	files dns

    3. Curl the index:

      curl handsonlabs.net

      You should get an index page returned.

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