The Hostname and DNS Client module provides options to configure host name, resolution order and DNS servers.
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Editing DNS Client Options

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First, navigate to Hostname and DNS Client. 

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1. Enter the hostname in the Hostname text entry box.
   
   
2. Select the resolution order from the Resolution Order drop-down list.
   
   
3. Enter the address of DNS servers in the DNS Servers text entry box.
   
   
4. Specify the search domain and enter SOFTNASDEV.local in the text entry box.
   
   
5. Click the Save button. 
   
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The Hostname and DNS client will be configured.